卫生研究最新文献

{"title":"[Dietary vitamin K intake of healthy individuals aged 50 and above in China in 2015-2017].","authors":"Shuhui Nie, Xuesong Zhang, Haiyan Wang, Wenxuan Wu, Huidi Zhang, Jingxin Yang, Lichen Yang, Yichun Hu","doi":"10.19813/j.cnki.weishengyanjiu.2025.02.010","DOIUrl":"https://doi.org/10.19813/j.cnki.weishengyanjiu.2025.02.010","url":null,"abstract":"<p><strong>Objective: </strong>To assess the status of vitamin K(VK) dietary intake in healthy Chinese middle-aged and elderly population.</p><p><strong>Methods: </strong>The population sample was extracted from the Chinese Adult Chronic Disease and Nutrition Surveillance(CACDNS) 2015-2017. A total of 1409 subjects were enrolled after screening. Food frequency questionnaire was used to investigate dietary intake data, and the VK food composition database(including VK_1, MK-4, MK-7 and MK-9) established by the \"China Food Composition Database\" team was updated for the analysis of VK dietary intake. We calculated the dietary intake of various VK subtypes and added them up to obtain the total VK intake.</p><p><strong>Results: </strong>The median intake of VK_1, MK-4, MK-7 and VK_2 were 77.49, 7.53, 1.39 and 9.01 μg/d, respectively. The median dietary intake of total VK was 91.87 μg/d. In differential analysis, there were statistically significant differences in dietary intake of total vitamin K among different age groups, residence categories, and southern and northern populations(P&lt;0.05). The VK dietary intake in 75 years old and above group was lower than that in 50-64 years old and 65-74 years old groups, the intake in urban group was higher than that in rural group, and the intake in southern group was higher than that in northern group. The main food source of VK_1 was vegetables(82.26%), while the main food sources of VK_2 were eggs(71.32%) and meat(22.42%).</p><p><strong>Conclusion: </strong>The total dietary intake of vitamin K of the middle-aged and elderly population in China is higher than the current adequate intake(AI) in dietary reference intakes(DRIs). We suggest that the AI values of total VK, VK_1 and VK_2 in the diet of healthy middle-aged and elderly people in China be 90, 80 and 10 μg/d, respectively.</p>","PeriodicalId":57744,"journal":{"name":"卫生研究","volume":"54 2","pages":"237-243"},"PeriodicalIF":0.0,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144061088","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":"[Pesticide residue status and dietary risk assessment of vegetables in Chongqing from 2022 to 2023].","authors":"Qingna Yan, Jin Yu, Peilin He, Cuilan Fang, Maolin Zhou, Fei Xiong","doi":"10.19813/j.cnki.weishengyanjiu.2025.02.020","DOIUrl":"https://doi.org/10.19813/j.cnki.weishengyanjiu.2025.02.020","url":null,"abstract":"<p><strong>Objective: </strong>To monitor the level of pesticide residues in vegetables in Chongqing and assess the risk of dietary intake.</p><p><strong>Methods: </strong>From 2022 to 2023, vegetable samples from 24 districts and counties in Chongqing were collected, and 35 pesticide residues were detected using the relevant standard operating procedures of the NationalFood Safety Risk Monitoring Manual, acute and chronic dietary exposure risk assessment was conducted, and the overall hazard level was assessed using the food safety index.</p><p><strong>Results: </strong>Among 173 vegetable samples, the overall detection rate of pesticide residues in vegetables was 60.7%, and the detection rates were in leafy vegetables(84.29%) &gt; melon or fruit vegetables(57.69%) &gt; Brassica chinensis and cabbage(31.37%), central city(66.67%) &gt; surrounding districts(49.15%). The proportion of samples with two or more pesticide residues was 42.20%. The overall rate of vegetables exceeded the standard 2.31%, and the pesticide residues exceeded the standard for abamectin, phorate sulfone and clothianidin. The result of risk assessment showed that, except for the unevaluated indexes, the acute dietary intake risk of abamectin was at an unacceptable level(the risk of acute dietary intake was 158.14%), and the acute dietary intake risk of the remaining 18 detected pesticide residues was at an acceptable level. The risk of chronic dietary intake and food safety index of all detected pesticide residues were atacceptable levels.</p><p><strong>Conclusion: </strong>The detection rate of pesticide residues in vegetables sold in Chongqing was relatively high, multiple pesticides were detected in the same sample, and some pesticides exceeded the standard, among which abamectin had acutedietary intake risks.</p>","PeriodicalId":57744,"journal":{"name":"卫生研究","volume":"54 2","pages":"310-325"},"PeriodicalIF":0.0,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144042276","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":"[Lycopene ameliorates D-galactose-induced hepatic senescence in CD-1 female mice through fibroblast growth factor 21/mitochondrial dynamics mediation].","authors":"Yuqi Shen, Juan Zhang, Lu Li, Ting Li, Jia Wang","doi":"10.19813/j.cnki.weishengyanjiu.2025.02.014","DOIUrl":"https://doi.org/10.19813/j.cnki.weishengyanjiu.2025.02.014","url":null,"abstract":"&lt;p&gt;&lt;strong&gt;Objective: &lt;/strong&gt;Evaluation of whether lycopene(LYC)ameliorates D-galactose-induced liver senescence and its associated molecular mechanisms.&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Methods: &lt;/strong&gt;Forty-five 2-month-old female CD-1 mice were acclimatized and fed for 1 week and randomly divided into 3 groups(15 mice/group): Control group receiving 0.9% physiological saline(intraperitoneally injected, i. p. ) plus basal chow diet; D-galactose group injected with 150 mg/kg D-galactose(i. p) plus basal chow diet; D-galactose+LYC group receiving 150 mg/kg D-galactose(i. p) plus 0.03% LYC(W/W, mixed with standard diet) for consecutive 8 weeks. Mouse senescence associated-beta-galactosidase(SA-β-gal) staining and enzyme-linked immunoassay(ELISA) kit were used to detect the SA-β-gal content in liver tissues, and western blots detected the protein expression of P21 and P53 in liver tissues, which were significantly higher than those in the control group, it was determined that the modeling of senescent mice was successful. The kit was used to determine glutamate pyruvate transaminase(GPT), glutamic oxaloacetic transaminase(GOT), alkaline phosphatase(ALP) activities in serum, hydrogen peroxide(H_2O_2), total antioxidant capacity(T-AOC) and malondialdehyde(MDA) activities in liver tissue. ELISA kits were used to detect the levels of fibroblast growth factor 21(FGF21), interleukin 6(IL-6), interleukin 8(IL-8) and interleukin 10(IL-10) in mouse liver tissues; immunofluorescence was used to detect the levels of reactive oxygen species(ROS) in liver tissues; immunohistochemistry was used to detect mito-fusion 2(MFN2) and tumor necrosis factor-α(TNF-α) in liver tissues. Transmission electron microscopy was used to observe the morphology of liver mitochondria; western blots were used to detect the expression of mito-fusion 1(MFN1) and fission 1(FIS1).&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Results: &lt;/strong&gt;Compared with the control group, hepatic SA-β-gal content was elevated(P&lt;0.01) and P21 and P53 protein expression levels were up-regulated(P&lt;0.01) in the D-galactose group, successful modelling in senescent mice. Serum GPT(P&lt;0.05), GOT(P&lt;0.01) and ALP(P&lt;0.05) activities were significantly up-regulated; T-AOC activity was down-regulated(P&lt;0.05), MDA(P&lt;0.05) and H_2O_2(P&lt;0.01) contents were elevated, and the level of ROS was up-regulated; the mitochondria of mouse livers in the D-galactose group were disrupted and swollen in the double membrane structure, as observed by transmission electron microscopy; the level of FGF21 was down-regulated(P&lt;0.05), the protein expression of the fission gene FIS1 was down-regulated(P&lt;0.01), the proteins of the mito-fusion genes MFN1 and MFN2 were up-regulated(P&lt;0.05); the expression of the pro-inflammatory factors TNF-α, IL-6(P&lt;0.01), and IL-8(P&lt;0.05) was up-regulated in the liver tissue and down-regulated expression of anti-inflammatory factor IL-10(P&lt;0.01) in liver tissue. Compared with the D-galactose group, the hepat","PeriodicalId":57744,"journal":{"name":"卫生研究","volume":"54 2","pages":"265-272"},"PeriodicalIF":0.0,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144029799","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":"[Trend analysis and characteristics of waist circumference distribution among Chinese adults from 2002 to 2015].","authors":"Weiyi Gong, Huijun Wang, Hongyun Fang, Wenwen Du, Lahong Ju, Jiguo Zhang, Qiya Guo, Xiaoqi Wei, Shujuan Li, Xue Cheng, Xiaoli Xu, Gangqiang Ding","doi":"10.19813/j.cnki.weishengyanjiu.2025.02.006","DOIUrl":"10.19813/j.cnki.weishengyanjiu.2025.02.006","url":null,"abstract":"<p><strong>Objective: </strong>To analyze the changes in waist circumference distribution among individuals aged 18 and above in China.</p><p><strong>Methods: </strong>Using data from the \"China Nutrition and Health Surveillance\" conducted in 2002, 2010-2012, and 2015, focused on adults aged 18 and above. Applied post-stratification weighting based on the population figures published by the National Bureau of Statistics for 2000 and 2010, to analyze the changes in waist circumference distribution among Chinese residents over the past thirteen years.</p><p><strong>Results: </strong>A total of 445 309 subjects were included in this study. Between 2002 and 2015, there was a gradual increase in waist circumference among adults in China. The mean waist circumference increased from 77.4 cm to 82.1 cm, with the mean for males rising from 79.2 cm to 84.4 cm and for females from 75.4 cm to 79.7 cm. The mean waist circumference for urban residents increased from 79.2 cm to 82.4 cm, while for rural residents, it increased from 76.2 cm to 81.6 cm. The growth rate was higher for males than for females and greater in rural areas compared to urban areas. Meanwhile, the urban-rural gap was gradually narrowing. Ages 18 to 40 were the fastest-growing age group for waist circumference.</p><p><strong>Conclusion: </strong>The waist circumference and among Chinese residents are showing an increasing trend year by year from 2002 to 2015.</p>","PeriodicalId":57744,"journal":{"name":"卫生研究","volume":"54 2","pages":"208-213"},"PeriodicalIF":0.0,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144029800","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":"[Proportion and trends of eating away from home among adult residents in China from 2002 to 2015].","authors":"Xiaoqi Wei, Lahong Ju, Hongyun Fang, Dongmei Yu, Qiya Guo, Jiguo Zhang, Wenwen Du, Xiaoli Xu, Shujuan Li, Xue Cheng, Weiyi Gong, Liyun Zhao, Huijun Wang, Aidong Liu","doi":"10.19813/j. cnki.weishengyanjiu.2025.01.007","DOIUrl":"10.19813/j. cnki.weishengyanjiu.2025.01.007","url":null,"abstract":"<p><strong>Objective: </strong>To understand the current situation and changing trends of eating away from home in adult residents aged 18-49 years old.</p><p><strong>Methods: </strong>Data was collected from 2002 Chinese Nutrition and Health Survey, 2010-2012 Chinese Nutrition and Health Surveillance and 2015 Chinese Adult Chronic Disease and Nutrition Surveillance. The multi-stage stratified cluster random sampling method was used in all the surveys(surveillance). The sample sizes for 2002, 2010-2012 and 2015 were 24 709, 15 701and 32 337, respectively. The basic information, height, weight and eating out index of the subjects were collected through inquiry survey, physical measurement and dietary survey.</p><p><strong>Results: </strong>From 2002 to 2015, the proportion of Chinese adults aged 18 to 49 years old who eat away from home showed an overall rising trend. From the perspective of gender, from 2002 to 2015, the proportion of Chinese adult men aged 18 to 49 years old eating away from home increased from 37.6% in 2002 to 46.8% in 2015, and the proportion of adult women eating away from home increased from 29.9% in 2002 to 35.0% in 2015, showing an increasing trend. From the perspective of age group, from 2002 to 2015, the proportion of adults aged 18 to 49 years old who eat away from home showed a downward trend as the age increased. From the perspective of geographical region and urban and rural areas, the proportion of adults aged 18-49 years old eating away from home in seven categories of regions in China from 2002 to 2015 showed an increasing trend, among which, the proportion of adults in South China and East China was higher, with more than half of adults eating away from home every week. The urban growth rate was higher than that in rural areas.</p><p><strong>Conclusion: </strong>From 2002 to 2015, the proportion of Chinese adults aged 18 to 49 years old who eat away from home shows an overall rising trend. With the increase of age, the proportion of adults eating away from home shows a declining trend, which is higher in urban areas than in rural areas, and higher in South and East China than in other geographical regions.</p>","PeriodicalId":57744,"journal":{"name":"卫生研究","volume":"54 1","pages":"28-33"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143411806","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":"[Detection and exposure risk assessment of chloropropanol ester and glycidyl ester in infant formula milk powder].","authors":"Huali He, Jicai Fan, Dafang Wang, Tianbin Bian, Ren Ren","doi":"10.19813/j. cnki.weishengyanjiu.2025.01.024","DOIUrl":"10.19813/j. cnki.weishengyanjiu.2025.01.024","url":null,"abstract":"<p><strong>Objective: </strong>To investigate the contamination level of chloropropanols esters(MCPDEs) and glycidyl esters(GEs) in infant milk powder, and to assess the risk of exposure to MCPDEs and GEs in infant formula milk powder in Hangzhou.</p><p><strong>Methods: </strong>Non-derivatization gas chromatography-tandem mass spectrometry(GC-MS/MS) was used to detect MCPDEs in 73 samples of commercially available infant milk powder, including 3-chlorine-1, 2-propylene glycol ester, 3-MCPDE), 2-monochloropropane-1, 3 diol esters(2-MCPDE) and GEs. Dietary exposure assessment of chloropropanols esters and glycidyl esters were evaluated by evaluation method and margin of exposure(MOE) respectively.</p><p><strong>Results: </strong>The detection rates of 3-MCPDE, 2-MCPDE and GEs were 100.0%, 82.2% and 78.1%. The average detection concentrations were 0.051, 0.015 and 0.018 mg/kg, respectively. The average and P95 dietary exposure values for 3-MCPDE were 0.48-1.41 and 0.81-2.69 μg/(kg·BW·d). For GEs, these were 24 669-58 945 and 10 881-21 540 respectively.</p><p><strong>Conclusion: </strong>The median exposure value of 3-MCPDE in infant milk powder is less than the TDI, and the health risk is small. But the P95 value of 3-MCPDE for infant aged 0-6 months is 2.69 μg/(kg·BW·d), greater than TDI value, so high health risk exists. The MOE for infants aged 0-6 months is lower than 25 000, and it may pose a potential risk. The MOE for children aged 6-36 months is higher than 25 000, and the health risk is very low.</p>","PeriodicalId":57744,"journal":{"name":"卫生研究","volume":"54 1","pages":"136-140"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143411794","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":"[Secular trends in main food intakes among Chinese adult residents from 1982 to 2015].","authors":"Lahong Ju, Hongyun Fang, Wenwen Du, Dongmei Yu, Jiguo Zhang, Qiya Guo, Xiaoli Xu, Shujuan Li, Xue Cheng, Weiyi Gong, Xiaoqi Wei, Liyun Zhao, Huijun Wang, Gangqiang Ding","doi":"10.19813/j. cnki.weishengyanjiu.2025.01.004","DOIUrl":"10.19813/j. cnki.weishengyanjiu.2025.01.004","url":null,"abstract":"<p><strong>Objective: </strong>To analyze the trends in main food intakes among Chinese residents aged 18-44 years from 1982 to 2015.</p><p><strong>Methods: </strong>The data were obtained from the Nutrition and Health Survey/Monitoring database of Chinese residents from 1982 to 2015. The food weighing method combined with the bookkeeping method was used in the 1982 dietary survey, while the collection of food intake information was collected by 24-hour dietary review method and spice weighing method for 3 consecutive days in the 1992-2015 dietary survey. Food items were categorized based on the Chinese food composition table, and the consumption of different foods was computed.</p><p><strong>Results: </strong>From 1982 to 2015, the daily consumption of cereals, tubers, whole grains and miscellaneous beans, fresh vegetables, and cooking salt among Chinese residents aged 18 to 44 exhibited a decreasing trend(P_(trend) &lt;0.0001), with cereals experiencing the higher rate of decline followed by cooking salt and fresh vegetables. Conversely, the daily intake of fresh fruits, nuts, beans, meat and poultry, fish and shrimp, eggs, milk, and cooking oil showed a increasing trend(P_(trend) &lt;0.0001), with cooking oil, meat and poultry as well as eggs demonstrating the higher rates of increase followed by fish and shrimp and fresh fruit also experienced notable increases. No significant changes were observed in tubers or whole grains and miscellaneous beans or nuts or beans or milk. In urban areas specifically, there was an increasing trend observed in the consumption of tubers, whole grains and miscellaneous beans, fresh fruits and fish and shrimp; however, a decreasing trend was noticed for beans with insignificant changes in amplitude; trends for other food items aligned with those observed in the general population(P_(trend) &lt;0.0001). Among rural residents, the consumption of whole grains and miscellaneous beans significantly decreased, trends for other food items mirrored those seen in the general population(P_(trend)&lt;0.0001). The daily intake of fresh fruit remained unchanged among male residents but increased significantly among female residents; trends for other food items were consistent with those observed in the general population(P_(trend) &lt;0.0001).</p><p><strong>Conclusion: </strong>From 1982 to 2015, the daily consumption of cereals, tubers, whole grains and miscellaneous beans, fresh vegetables, and cooking salt among Chinese residents aged 18 to 44 exhibited a decreasing trend, while the daily intake of fresh fruits, nuts, beans, meat and poultry, fish and shrimp, eggs and cooking oil showed a increasing trend. Urban areas and female residents displayed more rational food choices.</p>","PeriodicalId":57744,"journal":{"name":"卫生研究","volume":"54 1","pages":"10-27"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143411809","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":"[Effects of serum vitamin K levels in early pregnancy on pregnancy-related diseases and adverse pregnancy outcomes].","authors":"Haiyan Wang, Xiaoyun Shan, Rui Li, Yuping Zhang, Yuting Li, Shuhui Nie, Kang Yu, Lichen Yang, Yichun Hu, Yanping Liu","doi":"10.19813/j. cnki.weishengyanjiu.2025.01.017","DOIUrl":"10.19813/j. cnki.weishengyanjiu.2025.01.017","url":null,"abstract":"<p><strong>Objective: </strong>To explore the relationship between vitamin K levels and pregnancy-related diseases and adverse pregnancy outcomes in early pregnancy.</p><p><strong>Methods: </strong>A convenience sampling method was used to select 367 women in early pregnancy who were enrolled in the Shunyi Women&apos;s and Children&apos;s Hospital of Beijing Children&apos;s Hospital from October 2018 to September 2019. Basic information such as age, height, and pre-pregnancy weight of the respondents was collected, blood samples were taken and the concentration of vitamin K(vitamin K1, MK-4 and MK-7) was measured by liquid chromatography tandem mass spectrometry(LC-MS/MS). Follow-up visits were conducted to collect information on whether the respondents had pregnancy-related disease and their pregnancy outcomes. The relationship between vitamin K concentration and pregnancy-related diseases and adverse pregnancy outcomes was analyzed by partial correlation test and binary logistic regression.</p><p><strong>Results: </strong>The mean age of the respondents was 29.3 years, with a range of pre-pregnancy body mass index from 15.43 to 40.40 and weeks of pregnancy range from 5.9 to 14.0 weeks. The concentrations of MK-7, vitamin K1, and MK-4 in pregnant women(M(P25, P75))were 1.093(0.295, 3.325)ng/mL, 0.526(0.359, 0.681)ng/mL and 0.021(0.018, 0.026)ng/mL, respectively. There was a significant negative correlation between serum MK-7 levels in early pregnancy and the development of gestational diabetes mellitus(GDM)(P=0.032). The result of binary logistic regression analysis showed that MK-7 deficiency was a risk factor for GDM(OR=4.276, P=0.034) after adjusting for confounding factors: age, ethnicity, BMI, parity, vitamin D level, physical activity, low-density lipoprotein(LDL), high-density lipoprotein(HDL), and gestational age.</p><p><strong>Conclusion: </strong>Serum MK-7 levels in early pregnancy are negatively associated with the development of GDM in women. It is therefore essential to pay more attention to the nutritional status of vitamin K in pregnant women in early pregnancy.</p>","PeriodicalId":57744,"journal":{"name":"卫生研究","volume":"54 1","pages":"87-91"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143411803","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":"[Effects of dietary fiber from cassava on food glycemic index].","authors":"Cheng Wang, Chaogang Chen, Xiaoting Lu, Fengyi He, Xiuhong Lin, Ping Liang, Jiahui Lu, Zhimin Yuan","doi":"10.19813/j. cnki.weishengyanjiu.2025.01.012","DOIUrl":"10.19813/j. cnki.weishengyanjiu.2025.01.012","url":null,"abstract":"<p><strong>Objective: </strong>To detect the glycemic index(GI) of liquid dietary fiber from cassava and mixed foods made of milk powder and flour, and to study the effect of liquid dietary fiber on food GI.</p><p><strong>Methods: </strong>A total of 12 healthy adult volunteers, half male and half female, were selected to eat 6 kinds of food at different times, including glucose powder containing 50 grams of available carbohydrate, liquid dietary fiber, milk powder, bread and milk powder and bread with 20% liquid dietary fiber added. For each food, blood glucose was measured before eating and at 15, 30, 45, 60, 90 and 120 minutes after eating. The GI value is calculated according to the Wolever method.</p><p><strong>Results: </strong>GI of liquid dietary fiber was 19.96±6.07. The GI of milk powder was 41.77±8.71, and that of milk powder containing liquid dietary fiber was 39.96±10.93, which was 4.33% lower than that of the former, with no statistical difference. The GI of bread was 61.63±11.59, and the GI of bread containing liquid dietary fiber was 55.82±13.87, which was 9.43% lower than that of the former, and there was no statistical difference.</p><p><strong>Conclusion: </strong>Liquid dietary fiber from cassava is a low GI food. Adding liquid dietary fiber with 20% content can increase the sweetness of food without increasing the GI value of food.</p>","PeriodicalId":57744,"journal":{"name":"卫生研究","volume":"54 1","pages":"56-59"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143411801","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":"[Current status and changing trends of body mass index among Chinese adults from 1982 to 2015].","authors":"Hongyun Fang, Xiaoqi Wei, Lahong Ju, Wenwen Du, Dongmei Yu, Jiguo Zhang, Qiya Guo, Xiaoli Xu, Shujuan Li, Wei Piao, Xue Cheng, Weiyi Gong, Liyun Zhao, Huijun Wang, Aidong Liu","doi":"10.19813/j. cnki.weishengyanjiu.2025.01.005","DOIUrl":"10.19813/j. cnki.weishengyanjiu.2025.01.005","url":null,"abstract":"<p><strong>Objective: </strong>To analyze the current status and changing trends of body mass index(BMI) among Chinese adults.</p><p><strong>Methods: </strong>Data on height and weight of adults from five China Nutrition Surveys/Monitoring conducted between 1982 and 2015 were analyzed to assess the current status and trends of BMI among Chinese adults.</p><p><strong>Results: </strong>In 1982, the average BMI for adult males and females in China was 21.06 and 21.32, respectively. By 2015, the average BMI for adult males and females had risen to 24.25 and 23.89, respectively. The increase in BMI was greater for males than for females, particularly among young and middle-aged males. For females, the increase in BMI was more pronounced with age, especially in women over 60. Before 2002, adult men had a lower BMI than women, but this trend began to change after 2002, and by 2015, the average BMI of men aged 18-45 was higher than that of women. The peak BMI for males occurred around the age of 45, while for females, it occurred around the age of 60.</p><p><strong>Conclusion: </strong>The BMI of males and females in China has been steadily increasing, with a greater rise observed in males than in females.</p>","PeriodicalId":57744,"journal":{"name":"卫生研究","volume":"54 1","pages":"18-22"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143411792","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}