Current Developments in Nutrition最新文献

{"title":"A Mediterranean-Style Diet with Lean Beef Lowers Blood Pressure and Improves Vascular Function: Secondary Outcomes from a Randomized Crossover Trial","authors":"Jennifer A Fleming ,&nbsp;Kristina S Petersen ,&nbsp;Penny M Kris-Etherton ,&nbsp;David J Baer","doi":"10.1016/j.cdnut.2025.104573","DOIUrl":"10.1016/j.cdnut.2025.104573","url":null,"abstract":"<div><h3>Background</h3><div>The Mediterranean (MED) dietary pattern improves cardiovascular disease (CVD) risk factors. Increased central systolic blood pressure and arterial stiffness are independent predictors of CVD. The effect of a MED diet on these measures of vascular health has not been investigated.</div></div><div><h3>Objectives</h3><div>The aim was to evaluate the effects of a MED diet incorporating 0.5 oz./d (MED0.5), 2.5 oz./d (MED2.5) and 5.5 oz./d (MED5.5) of lean beef compared with an Average American diet (AAD) on vascular health [brachial and central blood pressure, pulse wave velocity (PWV), and augmentation index].</div></div><div><h3>Methods</h3><div>A multicenter, 4-period randomized, crossover, controlled-feeding study was conducted at Penn State University and USDA, Beltsville. In random sequence order, participants consumed each test diet for 4 wk. Vascular outcomes were assessed at baseline and the end of each diet period. Linear mixed models were used for analyses.</div></div><div><h3>Results</h3><div>Between-diet differences were observed for peripheral and central blood pressure as well as PWV (<em>P &lt;</em> 0.05). PWV was lower following MED0.5 [−0.24 m/s; 95% confidence interval (CI): −0.44, −0.04] and MED2.5 (−0.27 m/s; 95% CI: −0.47, −0.07) compared with the AAD; PWV was nominally lower after the MED5.5 compared with the AAD (−0.20 m/s; 95% CI: −0.40, 0.003; <em>P</em> = 0.055). Central systolic blood pressure was lower following the MED0.5 (−3.24 mmHg; 95% CI: −5.22, −1.27) and MED2.5 (−2.93 mmHg; 95% CI: −4.91, −0.96) compared with the AAD. A similar pattern was observed for central diastolic pressure. Brachial systolic and diastolic pressure were lower following all 3 MED diets compared with the AAD (<em>P &lt;</em> 0.05).</div></div><div><h3>Conclusions</h3><div>Compared with an AAD, MED diets containing 0.5 and 2.5 oz./d of lean beef improved brachial and central systolic and diastolic blood pressure and arterial stiffness. Our findings suggest that a MED diet with ≤5.5 oz./d of lean beef does not adversely affect vascular function.</div><div>This trial was registered at clinicaltrials.gov as NCT02723617.</div></div>","PeriodicalId":10756,"journal":{"name":"Current Developments in Nutrition","volume":"9 4","pages":"Article 104573"},"PeriodicalIF":3.8,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143746692","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Iron Fortification and Inulin Supplementation in Early Infancy: Evaluating the Impact on Gut Microbiome in a Piglet Model","authors":"Jungjae Park ,&nbsp;Cynthia Jinno ,&nbsp;Saumya Wickramasinghe ,&nbsp;David A Mills ,&nbsp;Yanhong Liu ,&nbsp;Bo L Lönnerdal ,&nbsp;Peng Ji","doi":"10.1016/j.cdnut.2025.104587","DOIUrl":"10.1016/j.cdnut.2025.104587","url":null,"abstract":"<div><h3>Background</h3><div>Prophylactic iron fortification in infant formula effectively prevents iron deficiency anemia. However, the low absorption rate results in excess unabsorbed iron accumulates in colon, where it has been linked to harmful microbiota changes and increased diarrheal incidence. Prebiotic oligosaccharides have shown promise in mitigating these adverse effects, but the role of inulin or synbiotic supplementation with inulin-fermenting lactic acid bacteria in modulating early gut microbiome under iron fortification remains understudied.</div></div><div><h3>Objectives</h3><div>This study used a neonatal pig model to investigate the effects of iron fortification and inulin supplementation, with or without <em>Ligilactobacillus agilis</em> YZ050 (<em>L. agilis</em>), on gut microbiome.</div></div><div><h3>Methods</h3><div>Twenty-four piglets were stratified and randomly assigned into 1 of the 4 dietary treatments from postnatal day (PD) 2: iron-adequate milk (AI), high-iron milk (HI), high-iron milk with 5% inulin (HIP), or HIP milk with oral gavage of <em>L</em><em>.</em> <em>agilis</em> every third day (HIS). Piglets were individually housed and fed milk in proportion to body weight in 14 meals daily, simulating formula feeding in infants. Fecal and colonic microbiome were analyzed via 16S rRNA sequencing, with microbial diversity and relative abundance analyzed using QIIME2 and R.</div></div><div><h3>Results</h3><div>Iron fortification, regardless of inulin supplementation, decreased α-diversity compared with AI. β-Diversity showed clustering of HIP and HIS samples, which were distinct from AI and HI. Although iron fortification had minor impact on microbial composition, inulin supplementation significantly modified microbiome diversity, increasing <em>Prevotella</em>, <em>Megasphaera</em>, and <em>Lachnospiraceae</em>_NK3A20_group species, while reducing <em>Bacteroides</em> and <em>Ruminococcus</em>. Colonic microbiome shifted from <em>Bacteroides</em>-dominant enterotype in AI and HI groups to <em>Prevotella</em>-dominant enterotype in HIP and HIS groups, indicating enhanced fiber degrading capacity. Despite its inulin-fermenting property, <em>L</em><em>.</em> <em>agilis</em> showed limited colonization and minimal microbiome impact.</div></div><div><h3>Conclusions</h3><div>Inulin supplementation significantly influenced gut microbiome, shifting enterotype from <em>Bacteroides</em> to <em>Prevotella</em>. dominance and overriding the effect of high-iron fortification in a milk-fed piglet model.</div></div>","PeriodicalId":10756,"journal":{"name":"Current Developments in Nutrition","volume":"9 4","pages":"Article 104587"},"PeriodicalIF":3.8,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143767549","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Drivers of Food Decision Making and Aspirations for the Future of the School Food Environment among Junior High School Students in Cape Coast, Ghana: a Photovoice Study","authors":"Elise C Reynolds ,&nbsp;Christiana Nsiah-Asamoah ,&nbsp;Harriet Okronipa ,&nbsp;Nicholas F Russell ,&nbsp;Madina Habib ,&nbsp;Christine P Stewart","doi":"10.1016/j.cdnut.2025.106009","DOIUrl":"10.1016/j.cdnut.2025.106009","url":null,"abstract":"<div><h3>Background</h3><div>Food decision making is a complex and dynamic process that influences diet and ultimately health. Adolescents consider many different food environment-level factors when making decisions about food. These factors may vary by context. Adolescents attending junior high school (JHS) in Ghana frequently interact with their school food environments because they do not have access to a national school meal program.</div></div><div><h3>Objectives</h3><div>The objective of this study was to understand the factors that influence adolescent food-related decisions and how adolescents interact with their school food environments from their own perspectives. Secondarily, we sought to elicit adolescent ideas for the future of their school food environment.</div></div><div><h3>Methods</h3><div>Forty adolescents were purposively selected equally across 4 JHSs in Cape Coast, Ghana. We used Photovoice to elicit photographs and ideas across 5 workshops with each school. Adolescents were provided with digital cameras and weekly photography prompts followed by semistructured group discussions each week. We thematically analyzed photographs and discussions with input from the adolescents. Adolescents presented their findings to local stakeholders through a photograph exhibition at the end of the study.</div></div><div><h3>Results</h3><div>Adolescents reported factors influencing their food decisions at the policy, environmental, interpersonal, and individual levels, mirroring the socioecological model. These factors included school policies (30 coded references), food hygiene and safety (374), food availability (83), relationships with vendors (62), peer influence (36), nutritional value (42), taste (41), satiety (25), appearance (30), and affordability (160), with hygiene, safety, and affordability being most frequently mentioned. Adolescents wanted to be involved in decisions around their school food environments.</div></div><div><h3>Conclusions</h3><div>Adolescent food decision making in this context is often driven by food hygiene and safety and affordability. Supporting adolescent autonomy for food-related decisions and including them in decision making to change school food environments could empower adolescents in their food decisions and improve school food environments to match with adolescents’ needs and desires.</div></div>","PeriodicalId":10756,"journal":{"name":"Current Developments in Nutrition","volume":"9 5","pages":"Article 106009"},"PeriodicalIF":3.8,"publicationDate":"2025-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143844487","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Senegal’s Iodine Puzzle: Iodine Status, Salt Iodization, and Dietary Iodine Sources","authors":"Rita Wegmüller ,&nbsp;Maguette F Beye ,&nbsp;Ndeye F Ndiaye ,&nbsp;Volkan Cakir ,&nbsp;Ndèye Yaga Sy ,&nbsp;Sitor P Ndoure ,&nbsp;Maty D Camara ,&nbsp;Malick Anne ,&nbsp;Nafissatou B Lo ,&nbsp;Jessica Rigutto ,&nbsp;Germana H Leyna ,&nbsp;Amid Abdelnour ,&nbsp;Fabian Rohner ,&nbsp;Nicolai Petry ,&nbsp;James P Wirth ,&nbsp;Valeria Galetti","doi":"10.1016/j.cdnut.2025.106008","DOIUrl":"10.1016/j.cdnut.2025.106008","url":null,"abstract":"<div><h3>Background</h3><div>Iodine is vital for human health, and its deficiency is linked to severe disorders. Although salt iodization is practiced in Senegal, evidence shows declining household iodized salt coverage.</div></div><div><h3>Objectives</h3><div>This survey assessed iodine status in nonpregnant females and examined dietary sources contributing to their iodine intake.</div></div><div><h3>Methods</h3><div>This cross-sectional survey was conducted in 2023 and was nationally representative. Using stratified sampling, data were collected from 866 households and from 657 nonpregnant females aged 15–49 y. Median urinary iodine concentration (UIC), urinary sodium concentration, and household salt iodine concentration were analyzed, with the apportioning of iodine sources through statistical methods to estimate iodine intake from native dietary sources, iodized salt in processed foods, and iodized household salt.</div></div><div><h3>Results</h3><div>Iodine sufficiency was observed with a median UIC of 252 <em>μ</em>g/L, yet regional disparities exist, with some areas showing more than adequate iodine concentrations. Coverage with adequately iodized salt was low (19%), with higher availability in urban areas. Females in urban areas showed higher UICs than those in rural areas, which might be related to a higher contribution from adequately iodized salt. Processed foods, including bouillon, contributed about half to iodine intake, with household salt accounting for only a small portion (9% in urban and 5% in rural areas).</div></div><div><h3>Conclusions</h3><div>Despite low iodized salt coverage at the household level, nonpregnant Senegalese females have adequate iodine intake due to iodine in processed foods. Effective monitoring of iodized salt used for processed foods is essential to mitigate potential excess intake whereas ensuring continued iodine sufficiency in all population groups.</div></div>","PeriodicalId":10756,"journal":{"name":"Current Developments in Nutrition","volume":"9 5","pages":"Article 106008"},"PeriodicalIF":3.8,"publicationDate":"2025-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143873339","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The Association Between an Individual’s Local Food Environment and Diet Quality among Postpartum Women Living in Rural Bangladesh","authors":"Alexandra L Bellows ,&nbsp;Andrew Thorne-Lyman ,&nbsp;Saijuddin Shaikh ,&nbsp;Md Tanvir Islam ,&nbsp;Shahnaj Parvin ,&nbsp;Rezwanul Haque ,&nbsp;Monica M Pasqualino ,&nbsp;Frank Curriero ,&nbsp;Hasmot Ali ,&nbsp;Alain B Labrique ,&nbsp;Md Iqbal Hossain ,&nbsp;Amanda C Palmer","doi":"10.1016/j.cdnut.2025.106011","DOIUrl":"10.1016/j.cdnut.2025.106011","url":null,"abstract":"<div><h3>Background</h3><div>The food environment is a driver of the double burden of malnutrition, influencing dietary intake by increasing or restricting access to foods.</div></div><div><h3>Objectives</h3><div>The objective of this study was to assess the association between geospatial food environment indicators and the diet quality among postpartum women in rural Bangladesh.</div></div><div><h3>Methods</h3><div>Participants were women of infants enrolled in a cluster-randomized controlled trial from 2018 to 2020. Food vendor availability was defined as the number of food vendors within a specific household radius, and proximity was defined as the distance to the nearest vendor. Dietary intake was measured using a 7-d food frequency questionnaire collected at 3 mo, 6 mo, and 12 mo postpartum. Our primary outcome was nonstarchy staple food variety scores (FVS). Secondary outcomes included dietary diversity scores and individual food group consumption. To assess the association between food environment indicators and diet quality indicators, we fit linear regression models for the FVS outcome, Poisson regression models for the dietary diversity outcome, and logistic regression models for individual food group outcomes.</div></div><div><h3>Results</h3><div>A total of 5064 women were included in this analysis. Women reported consuming an average of 9.7 (standard deviation: 3.7) nonstarchy staple foods in the previous week. Women who lived in households with the highest market availability (≥7 markets within 1600 m) had an average of 0.84-unit (95% confidence interval: 0.53, 1.16) higher FVS compared with those in households with the lowest market availability (≤ 2 markets) (<em>P</em> &lt; 0.001). Geospatial food environment indicators were not significantly associated with the odds of consuming less healthy food options.</div></div><div><h3>Conclusions</h3><div>We found a positive relationship between market availability and diet quality for postpartum women in rural Bangladesh. However, more research is needed to understand which components of the food environment are associated with increased consumption of less healthy foods.</div></div>","PeriodicalId":10756,"journal":{"name":"Current Developments in Nutrition","volume":"9 5","pages":"Article 106011"},"PeriodicalIF":3.8,"publicationDate":"2025-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143851636","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Polyphenol-Rich Snack Consumption during Endurance Exercise Training Improves Nitric Oxide Bioavailability but does not Improve Exercise Performance in Male Cyclists: A Randomised Controlled Trial","authors":"Noah Marc Adrian d’Unienville ,&nbsp;Alison M Coates ,&nbsp;Alison M Hill ,&nbsp;Maximillian J Nelson ,&nbsp;Kevin Croft ,&nbsp;Catherine Yandell ,&nbsp;Jonathan D Buckley","doi":"10.1016/j.cdnut.2025.106006","DOIUrl":"10.1016/j.cdnut.2025.106006","url":null,"abstract":"<div><h3>Background</h3><div>Antioxidants and nitric oxide (NO) precursors may improve endurance exercise performance by reducing oxidative stress and increasing NO production. Almonds, dried grapes, and cranberries (AGC) are good sources of antioxidants and NO precursors.</div></div><div><h3>Objectives</h3><div>To determine whether AGC consumption improved physiological responses and endurance cycling time-trial performance in response to training.</div></div><div><h3>Methods</h3><div>After 1 wk of light training (LT), 96 male recreationally trained cyclists consumed 125 g of AGC or control (CON: isocaloric oat bar) daily during 2 wk of heavy training (HT) and a 2-wk taper (T). At the end of LT, HT, and T, endurance exercise performance (5-min cycling time-trial; 5CTT), NO bioavailability (plasma and urine nitrate and nitrite), oxidative stress [plasma F2-isoprostanes (F₂-Isop)], muscle damage (creatine kinase) and subjective measures of wellbeing were assessed, as well as physiological responses during exercise at 70% maximal aerobic power output.</div></div><div><h3>Results</h3><div>Compared to LT, 5CTT performance was impaired at HT (<em>d</em> = –0.27, <em>P</em> = 0.01) and improved at T (<em>d</em> = 0.79, <em>P</em> &lt; 0.001), with no difference between treatments (<em>P</em> &gt; 0.81). Compared with CON, during submaximal exercise at 70%, maximal aerobic power output AGC demonstrated higher oxygen consumption (HT: <em>d</em> = 0.46; T: <em>d</em> = 0.38, <em>P</em> &lt; 0.001) and lower respiratory exchange ratio (HT: <em>d</em> = –0.61; T: <em>d</em> = –0.23, <em>P</em> &lt; 0.032). At HT, urine F₂-Isop was higher compared with LT (<em>d</em> = 0.21, <em>P</em> = 0.036), but plasma F₂-Isop was lower (<em>d</em> = –0.22, <em>P</em> = 0.008<em>)</em>, with no difference between treatments. At HT, AGC had higher subjective energy concentrations (<em>d</em> = 0.21, <em>P</em> = 0.02) and urinary nitrite (<em>d</em> = 0.23, <em>P</em> = 0.03) compared with CON and higher creatine kinase (<em>d</em> = 0.24, <em>P</em> = 0.02) and less fatigue (<em>d</em> = –0.20; <em>P</em> = 0.05) at T.</div></div><div><h3>Conclusions</h3><div>Although not beneficial for 5CTT performance or exercise efficiency, AGC increases fat oxidation during exercise, NO bioavailability, and subjective energy concentrations, which may confer benefits for health and wellbeing.</div><div>This trial was registered at <span><span>www.anzctr.org.au</span><svg><path></path></svg></span> as ACTRN12618000360213.</div></div>","PeriodicalId":10756,"journal":{"name":"Current Developments in Nutrition","volume":"9 5","pages":"Article 106006"},"PeriodicalIF":3.8,"publicationDate":"2025-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143851635","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Use of Resting Metabolic Rate Ratio as a Relative Energy Deficiency in Sports Indicator in Female Athletes","authors":"Jessica L Garay ,&nbsp;Julia Galindo Sebe ,&nbsp;Jenna Strickland ,&nbsp;Lindsey Graves ,&nbsp;Margaret A Voss","doi":"10.1016/j.cdnut.2025.106007","DOIUrl":"10.1016/j.cdnut.2025.106007","url":null,"abstract":"<div><h3>Background</h3><div>Female athletes are at risk of relative energy deficiency in sport (REDs) if energy intake is insufficient relative to demand. REDs is commonly identified via low energy availability (EA), which is determined by measuring dietary intake, exercise energy expenditure, and lean body mass. Due to inconsistent methods to measure each component of EA, the use of resting metabolic rate (RMR) ratio is proposed as an alternate method to identify REDs.</div></div><div><h3>Objectives</h3><div>The purpose of this study was to identify REDs prevalence among a sample of physically active college-aged females using RMR ratio and correlate this with EA.</div></div><div><h3>Methods</h3><div>Females (18–24 y) who were members of a NCAA division 1 athletics team or highly physically active (greater than 4 d/wk) participated in the study. Body composition was measured using air displacement plethysmography. RMR was measured using indirect calorimetry. Participants reported dietary intake via a 24-h recall for 1–3 d. EA was calculated using an averaged activity factor of 1.67 to determine exercise energy expenditure. RMR was calculated using standard equations (Harris–Benedict, Owen, and Cunningham).</div></div><div><h3>Results</h3><div>A total of 77 physically active female college students participated, including 53 NCAA division 1 athletes. Mean EA was 24.5 ± 12.8 kcal/kg fat-free mass/d and 63% of participants met criteria for low EA (&lt;30 kcal/kg fat-free mass/d). Mean RMR ratio was 1.08 ± 0.16, with 19% of the sample having low RMR ratio (below 0.9). Overall, 14% of participants had both low EA and low RMR ratio. There were no differences in EA or RMR ratio between the collegiate athlete and recreational athlete groups.</div></div><div><h3>Conclusions</h3><div>Physically active female college students, including collegiate athletes, exhibited suboptimal EA. Low RMR ratio appeared to be a more sensitive indicator of REDs risk than low EA.</div></div>","PeriodicalId":10756,"journal":{"name":"Current Developments in Nutrition","volume":"9 5","pages":"Article 106007"},"PeriodicalIF":3.8,"publicationDate":"2025-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143867691","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Design and Implementation of the Protein-Distinct Macronutrient-Equivalent Diet (PRODMED) Study: An Eighteen-Week Randomized Crossover Feeding Trial Among Free-Living Rural Older Adults","authors":"Bruna O de Vargas ,&nbsp;Saba Vaezi ,&nbsp;Jessica L Freeling ,&nbsp;Yizi Zhang ,&nbsp;Lee Weidauer ,&nbsp;Chih-Ling Lee ,&nbsp;Jing Zhao ,&nbsp;Moul Dey","doi":"10.1016/j.cdnut.2025.104588","DOIUrl":"10.1016/j.cdnut.2025.104588","url":null,"abstract":"<div><h3>Background</h3><div>Despite growing emphasis on plant-based eating, animal protein consumption remains high among Americans. The biological effects of different dietary protein sources within healthy plant-forward whole-diet patterns are poorly understood, and controlled-feeding methodologies for examining potential impacts are underreported.</div></div><div><h3>Objectives</h3><div>This methods-report describes feasible approaches for menu planning and protein quality assessment within a 2-arm crossover randomized controlled feeding trial over 18 wk among rural Midwestern older adults. The primary trial aims to evaluate the effect of 2 protein-distinct diets on age-related health risk factors. The objectives of this methods-report are to <em>1</em>) describe the development of preportioned, ready-to-eat, macronutrient-matched, low ultra-processed, plant-forward, protein-distinct menus aligned with the Dietary Guidelines for Americans for home consumption, and <em>2</em>) present evidence-based strategies addressing the unique challenges posed by an all-food-provided, protein-distinct intervention.</div></div><div><h3>Methods</h3><div>Participants completed 2 8-wk feeding phases separated by a 2-wk washout; one arm consisting of 162 g/d of lean pork (meat-protein source) and the other an equivalent amount of protein from pulses (plant-protein source). These primary proteins contributed ≥45% of protein intake within a 2000 kcal/d cyclic menu. Data quality, adherence, and participant experience were assessed using descriptive and inferential statistics.</div></div><div><h3>Results</h3><div>Macronutrient distributions of the overall diets were closely matched despite differences in primary protein densities (meat-protein source 261.7 mg/g; plant-protein source 120.6 mg/g). Both diets featured increased fiber but reduced total and saturated fats, sodium, and ultra-processed foods compared to baseline. Consumed energy, though lower than provided, was matched between the intervention arms.</div></div><div><h3>Conclusions</h3><div>Interventions were well-received, reflecting strong participant interest in healthier eating. Results illustrate a practical, scalable method for evaluating specific protein sources within a plant-forward diet, informing future studies and consumer practices.</div><div>The trials were registered at <span><span>clinicaltrials.gov</span><svg><path></path></svg></span> as NCT05577858 and NCT05581953.</div></div>","PeriodicalId":10756,"journal":{"name":"Current Developments in Nutrition","volume":"9 5","pages":"Article 104588"},"PeriodicalIF":3.8,"publicationDate":"2025-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143844488","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Stages of Change Model: How to Deliver Nutrition Education to Adult Burn Survivors","authors":"Alyaa M Zagzoog ,&nbsp;David Travis Thomas ,&nbsp;Christen G Page","doi":"10.1016/j.cdnut.2025.104584","DOIUrl":"10.1016/j.cdnut.2025.104584","url":null,"abstract":"<div><div>In the early stages of recovery, adult burn survivors receive a large breadth of education that assists them as they adapt to their lives post injury. Good nutrition plays a crucial role in these early stages to improve the wellness of burn survivors. Nutrition education during the rehabilitation phase of recovery, however, is lacking for this population. Additionally, the optimum time and plan for delivering nutrition education for burn survivors during the rehabilitation phase is not yet established. Although registered dietitians (RDs) are available for nutritional interventions, they rarely provide outpatient nutrition education to burn survivors during the rehabilitation phase. The provision of a model to guide the assessment of burn survivors’ readiness to receive and act on nutrition education could assist RDs in outpatient educational efforts. This commentary article proposes a model to guide RDs in providing timely and individualized nutrition education for adult burn survivors during the rehabilitation phase. To accomplish this goal, we have modified the existing stages of change model used in clinical nutrition practice for adult burn survivors. The proposed model aims to assess the readiness of burn survivors to receive, change, and implement dietary habits during the rehabilitation phase based on two main stages: preaction and action stages. Moreover, this model proposes placement questions to assist RDs in identifying main stages, substages, and transitions between stages. It also includes four elements (four basic parts) to guide RDs while delivering nutrition education throughout each stage.</div></div>","PeriodicalId":10756,"journal":{"name":"Current Developments in Nutrition","volume":"9 4","pages":"Article 104584"},"PeriodicalIF":3.8,"publicationDate":"2025-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143687900","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Community Member Shopping Experiences in Dollar Store Food Environments in Baltimore, Maryland","authors":"Sydney R Santos ,&nbsp;Samantha M Sundermeir ,&nbsp;Shuxian Hua ,&nbsp;Emma C Lewis ,&nbsp;Lisa Poirier ,&nbsp;Sara John ,&nbsp;Karen Gardner ,&nbsp;Elizabeth F Racine ,&nbsp;Mika Matsuzaki ,&nbsp;Joel Gittelsohn","doi":"10.1016/j.cdnut.2025.104585","DOIUrl":"10.1016/j.cdnut.2025.104585","url":null,"abstract":"<div><h3>Background</h3><div>Dollar stores are a rapidly expanding yet understudied food retailer in urban settings. Community member experiences with dollar-store food environments at a local level are not well established in the current literature.</div></div><div><h3>Objectives</h3><div>This qualitative study sought to understand community member perspectives on dollar-store food environments and shopping experiences.</div></div><div><h3>Methods</h3><div>Thirty-five participants across 15 zip codes in Baltimore, Maryland completed an in-depth interview and/or engaged in a workshop between December 2022 and July 2023. A thematic analysis was utilized to construct common themes across the participants’ perspectives.</div></div><div><h3>Results</h3><div>Six predominant themes were constructed and fell into 1 of 2 categories: food level and store level. For the food-level themes, participants described dollar-store food options as limited and low quality, yet at affordable prices. Among the store-level themes, lack of customer service, poor cleanliness, and stocking challenges in dollar stores were emphasized by participants.</div></div><div><h3>Conclusions</h3><div>Community members from a range of neighborhoods held similar perceptions, specifically about what could be improved about the food environment of their local dollar stores. Future research should assess the feasibility of programs and policies to systematically improve shopping experiences and ultimately support healthy food purchasing in these retail spaces.</div></div>","PeriodicalId":10756,"journal":{"name":"Current Developments in Nutrition","volume":"9 4","pages":"Article 104585"},"PeriodicalIF":3.8,"publicationDate":"2025-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143687516","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}