Oil Crop Science最新文献

{"title":"The impact of advanced rapeseed pretreatment technology on minor compounds in rapeseed oil: A review","authors":"Dan Wang ,&nbsp;Jinghan Miao ,&nbsp;Hua Zhang ,&nbsp;Hong Chen ,&nbsp;Fang Wei","doi":"10.1016/j.ocsci.2025.11.001","DOIUrl":"10.1016/j.ocsci.2025.11.001","url":null,"abstract":"<div><div>Rapeseed is the primary domestic source of edible vegetable oil in China. Its oil is naturally rich in phytosterols, polyphenols, tocopherols, carotenoids and other lipid-soluble companions, which are highly beneficial to human health. Since the content and bioaccessibility of these health-promoting companions are mostly locked during the first post-harvest operation, the pretreatment technology has become the decisive lever for simultaneously maximizing oil yield and nutritional value. This review critically synthesizes recent findings on how rapeseed pretreatment modulates its signature lipid companions, contrasts conventional roasting with emerging pulsed-electric field, microwave and steam-explosion technologies, and evaluates their respective impacts on extraction efficiency, structural integrity and functional performance on phytosterols, polyphenols, tocopherols and carotenoids. It particularly compares and analyzes the extraction efficiency, cost-effectiveness, and environmental impact for these emerging technologies, and discusses the prospects for their integrated applications. Furthermore, the review concludes with the current research trends in pretreatment technology and offers insights into future research directions, aiming to provide scientific guidance for the high-quality processing of rapeseed and the production of rapeseed oil with high nutritional value.</div></div>","PeriodicalId":34095,"journal":{"name":"Oil Crop Science","volume":"10 4","pages":"Pages 303-310"},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145885817","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":"Genome-wide association study (GWAS) identifies genetic loci and candidate genes for variation in protein and oil content in Sesamum indicum L.","authors":"Habtamu Kefale ,&nbsp;Rong Zhou ,&nbsp;Muez Berhe ,&nbsp;Ahmed A. Abbas ,&nbsp;Chris O. Ojiewo ,&nbsp;Huan Li ,&nbsp;Ting Zhou ,&nbsp;Jun You ,&nbsp;Linhai Wang","doi":"10.1016/j.ocsci.2025.08.002","DOIUrl":"10.1016/j.ocsci.2025.08.002","url":null,"abstract":"<div><div>Sesame (<em>Sesamum indicum</em> L.) is an ancient diploid oilseed crop valued for its high oil content, quality protein, unsaturated fatty acids, and antioxidants. The emerging research focuses on the utilization of vegetable proteins in the development of novel products and the formulation of functional foods. Developing sesame genotypes with higher protein and oil content is a current focus for improving sesame quality traits, as preferred by the sesame seed oil industry and consumers. Despite previous genome-wide association studies (GWAS) on various agronomic and biochemical traits in sesame, the genetic basis of protein content and oil content remains limited. Therefore, this study was designed to identify candidate genes and quantitative trait loci (QTLs) regulating the target traits using 401 sesame accessions grown in three environments (2018WH, 2018LQ, and 2022WH). The protein and oil content in the sesame population varied significantly. The protein content ranged from 15.06% to 26.45%, while the oil content was between 41.68% and 60.15%. Furthermore, the white seeds had a higher oil content, while the black seeds had a higher protein content, indicating an association between seed colour and oil and protein content. GWAS results revealed that 632 and 269 QTLs were selected as significant genetic regions for protein and oil content, respectively. Of these significant QTLs, we identified 10 and 22 stable QTLs for protein and oil content, respectively. A total of 17 candidate genes related to protein and oil content were identified within 32 stable quantitative trait loci (QTLs). Interestingly, two variant sites, SNP13:10093594 and InDel13:10935497, related to protein content, were identified in the gene sequences of <em>SINPZ1300586</em> and <em>SINPZ1300694</em>. Four SNPs, SNP1:22608987, SNP4:13355820, SNP8:21686488, and SNP11:142842, for oil content were found correspond to the genes <em>SINPZ0102106, SINPZ0401222, SINPZ0801731,</em> and <em>SINPZ1100015</em>, respectively. The findings provide light on the genetic basis of protein and oil characteristics. These genes and QTLs can aid the molecular breeding and genetic engineering of innovative sesame germplasm, with improved potential for protein and oil content, as well as desired quality attributes.</div></div>","PeriodicalId":34095,"journal":{"name":"Oil Crop Science","volume":"10 4","pages":"Pages 337-347"},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145927602","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":"Development of novel genotypes of peanut with resistance to stem rot, large pod and seed","authors":"Wanduo Song,&nbsp;Dongyang Yu,&nbsp;Yanping Kang,&nbsp;Qianqian Wang,&nbsp;Yong Lei,&nbsp;Zhihui Wang,&nbsp;Dongxin Huai,&nbsp;Xin Wang,&nbsp;Boshou Liao,&nbsp;Yuning Chen,&nbsp;Liying Yan","doi":"10.1016/j.ocsci.2025.07.001","DOIUrl":"10.1016/j.ocsci.2025.07.001","url":null,"abstract":"<div><div>Stem rot caused by <em>Agroathelia rolfsii</em> (syn. <em>Sclerotium rolfsii</em>) is one of the major biotic constraints to peanut production in many countries, particularly under high temperature and humidity conditions. Developing disease-resistant cultivars represents a more sustainable strategy. To generate peanut germplasm integrating stem rot resistance and elite yield traits, this study utilized a recombinant inbred line (RIL) population, consisting of 242 lines, derived from a cross between Zhonghua212 (medium-seeded, resistant parent), and Zhonghua21 (large-seeded, susceptible parent). A multi-environment evaluation was conducted for disease resistance profiling in the fields with artificial inoculation, and for yield-related traits assessment. The results indicated that twenty-two RIL lines exhibited consistent moderate resistance across all tested locations. Fifty RILs consistently expressed large pod (100-pod weight &gt;180 g) and large seed (100-seed weight &gt;80 g) phenotypes in two environments. Three elite RIL lines (BJF66, BJF119 and BJF137) combined moderate resistance with superior pod/seed traits, providing valuable genetic sources for breeding programs targeting both disease resistance and productivity. This study established a foundational germplasm pool for advancing stem rot resistant, high-yielding peanut varieties, aligning with sustainable agricultural practices to mitigate <em>A. rolfsii</em> threats.</div></div>","PeriodicalId":34095,"journal":{"name":"Oil Crop Science","volume":"10 4","pages":"Pages 279-285"},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145842553","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":"Effect of ARC-BBBE microbial inoculant on main phytohormones in peanut root from seedling to podding stage","authors":"Sichen Guan ,&nbsp;Jin Mao ,&nbsp;Qiaomei Qin ,&nbsp;Na Li ,&nbsp;Ling Cheng ,&nbsp;Xianglong Yang ,&nbsp;Qi Zhang ,&nbsp;Peiwu Li","doi":"10.1016/j.ocsci.2025.05.004","DOIUrl":"10.1016/j.ocsci.2025.05.004","url":null,"abstract":"<div><div>Phytohormones play a crucial role in regulating peanut growth and development. Our previous studies have demonstrated that the microbial inoculant ARC-BBBE, developed by our research group, effectively promotes peanut growth and enhances yield under both greenhouse and field conditions. Therefore, it is of significant interest to investigate how ARC-BBBE influences the levels and spatial distribution of major phytohormones in peanut roots. Greenhouse pot experiments revealed that ARC-BBBE significantly enhanced peanut growth and root system development. A systematic analysis of the effects of ARC-BBBE on key phytohormones in peanut roots across different growth stages showed that gibberellin A₃ (GA₃) content varied markedly, with predominant accumulation occurring during the early growth stage, whereas changes in indole-3-acetic acid (IAA) levels were not statistically significant. Specifically, GA₃ content in the ARC-BBBE treatment group was 1.27-fold higher than in the control group during the seedling stage. Furthermore, peanut growth parameters were significantly improved following ARC-BBBE application, particularly at the flowering stage, where plant height, above-ground biomass, root length, and root weight in the treated group were 1.24-, 1.17-, 1.13-, and 1.21-fold greater than those in the control, respectively. To elucidate the functional role of phytohormones in ARC-BBBE-mediated growth promotion, we examined the effects of exogenous GA₃ and its biosynthesis inhibitor uniconazole (S3307) on both PHNZY-23-3 rhizobial growth and peanut development. Results indicated that supplementation with 1 × 10³ mg/L GA₃ most effectively promoted peanut growth at the seedling stage, while S3307 application inhibited growth. These findings provide valuable insights into the mechanism by which ARC-BBBE modulates GA₃ dynamics to enhance peanut growth, offering a foundation for future research on plant-microbe interactions and phytohormone regulation.</div></div>","PeriodicalId":34095,"journal":{"name":"Oil Crop Science","volume":"10 4","pages":"Pages 330-336"},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145885819","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 compound microbial agents and cellulase on the fermentation quality and nutritional characteristics of Camellia oleifera cake","authors":"Zhenxia Xu ,&nbsp;Yi Zhang ,&nbsp;Yi Zhong ,&nbsp;Weijuan Su ,&nbsp;Minghao Liu ,&nbsp;Xia Xiang ,&nbsp;Yangmin Gong","doi":"10.1016/j.ocsci.2025.07.002","DOIUrl":"10.1016/j.ocsci.2025.07.002","url":null,"abstract":"<div><div><em>Camellia oleifera</em> cake (COC), a nutrient-rich by-product of tea oil extraction, holds promise as a high-quality protein source but is limited in feed applications due to anti-nutritional factors, mainly tea saponins and crude fiber. This study employed solid-state fermentation using a compound microbial agent combined with cellulase to enhance COC's palatability and nutritional value. Single-strain fermentation identified <em>Lactiplantibacillus plantarum</em> as most effective in degrading tea saponins (46.0%) without reducing crude fiber. Optimal conditions were 0.1% inoculum, 48 h at 37 °C, with 20% sugar. For cellulase hydrolysis, the best parameters were: 50 U/g enzyme, 50 °C, 8 h, using 40-mesh sieved substrate. Combined fermentation began with enzymatic treatment followed by inoculation with a 1: 1: 1: 1: 1: 1 mixture of <em>Saccharomyces cerevisiae</em> (two strains), <em>Lactiplantibacillus plantarum</em>, <em>Bacillus subtilis</em>, <em>Bacillus coagulans</em>, and <em>Lactobacillus acidophilus</em>. The optimized conditions (0.1% inoculum, 7 days, 37 °C, 20% sugar, 50% moisture) significantly reduced anti-nutritional components and improved protein content, indicating the potential of fermented COC as a viable feed ingredient.</div></div>","PeriodicalId":34095,"journal":{"name":"Oil Crop Science","volume":"10 4","pages":"Pages 286-293"},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145885805","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":"Enhancement of soybean productivity and nutritional properties by use of exogenous Rhizobium isolates","authors":"Victorine Lombeko Obe Tomo ,&nbsp;Angéle Ndogho Pegalopo ,&nbsp;Danielle Christelle Tinak Ekom ,&nbsp;Bétina Djamouo Mbadjoun ,&nbsp;Etienne Akoutou Mvondo ,&nbsp;Clive Neba Akongnwi ,&nbsp;Gaël Chatue Chatue ,&nbsp;Christopher Suh ,&nbsp;Zachée Ambang","doi":"10.1016/j.ocsci.2025.06.002","DOIUrl":"10.1016/j.ocsci.2025.06.002","url":null,"abstract":"<div><div>Soybean is a vital nutritional resource rich in protein, oil, vitamins, and minerals, serving as a leading global source of vegetable oil and helping combat undernourishment, especially in developing countries like Cameroon, where over 24 % of the population faces food insecurity. However, insufficient nutrients can severely hinder the formation of fruiting bodies, resulting in yields as low as one ton per hectare. This study explores the potential of enhancing nitrogen nutrition through <em>Rhizobium</em> bacteria to improve nodulation rates and overall soybean productivity. The objective was to assess the effects of various <em>Rhizobium</em> isolates on the productivity, physicochemical properties, and nutritional quality of soybeans, essential for agricultural development and food security. The experiment was carried out at IRAD Mbalmayo from March–July and September–November 2022. The experimental set-up was a completely randomized block design replicated thrice. Each replicate consisted of three elementary plots separated by 1 m. Crops were planted at 50 cm between rows and 10 cm between plants. Five treatments: control (S0), <em>Rhizobium</em> isolate No.1 (S1), <em>Rhizobium</em> isolate No.2 (S2), NoduMax (S3), NPK: 20-10-10 (S4), were applied to three varieties: V1 (TGX 1910–14F), V2 (MAKSOY 4N), V3 (TGX 1835 10E). Results showed that seed emergence rates varied from 69% to 99% among soybean varieties, with no significant differences across treatments. Notably, <em>Rhizobium</em> inoculation, particularly with isolate 2, significantly boosted growth, leading to greater plant height, leaf count, and flowering duration. The highest plant height recorded was 35.3 cm in the V2S2 treatment, while V1S2 had the highest number of leaves, reaching 43.73, at <em>P</em> = 0.05. Inoculated plants showed substantial yield improvements, achieving 2.9 tons per hectare, with increased pod and seed formation. Analysis of treated plants revealed variations in nitrogen, lipid, protein, carbohydrate, ash, and moisture content, underscoring the positive impact of inoculation. For example, lipid content ranged from 15.7% in V1S0 to 25.1% in V1S2, while the highest protein levels were recorded in V2S2 and V1S2. These results underscore the potential of Rhizobium inoculation as a sustainable strategy to enhance soybean production and contribute to food security.</div></div>","PeriodicalId":34095,"journal":{"name":"Oil Crop Science","volume":"10 4","pages":"Pages 321-329"},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145885818","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":"Effect of particle size of Flaxseed-based milk coproduct on the quality of dough and steamed bread","authors":"Jiahui Wang ,&nbsp;Huojiao Gan ,&nbsp;Yan Tang ,&nbsp;Haichao He ,&nbsp;Mingkai Sun ,&nbsp;Yashu Chen ,&nbsp;Qianchun Deng ,&nbsp;Fenghong Huang ,&nbsp;Hu Tang","doi":"10.1016/j.ocsci.2025.04.006","DOIUrl":"10.1016/j.ocsci.2025.04.006","url":null,"abstract":"<div><div>The increased risk of chronic diseases has led to increasing importance of coarse foods in daily life, but the inclusion of new ingredients has a great degree of influence on the structural characteristics and sensory qualities of the food. The effects of five different particle size variations on the physicochemical characteristics, dough, and steamed bread structure of Flaxseed-based milk coproduct (FMC) were investigated. As the particle size decreases, the structure of the dough becomes denser due to an increase in water retention capacity and dissolution capacity, weakening the competition for dough moisture and allowing for an increase in air-holding capacity. The reduction in particle size increased the specific volume of the steamed bread, a decrease in the spread ratio, and an optimization of hardness and elasticity, as well as an increase in consumer acceptance of the FMC steamed bread. However, it is not the smaller the particle size, the higher the quality of steamed bread, appropriate reduction of particle size can improve the quality of steamed bread. In addition, the addition of FMC reduces fat digestion. Therefore, the present study proposes a method to change the particle size of FMC to optimize the quality of the steamed bread and to reduce fat digestibility by adding FMC.</div></div>","PeriodicalId":34095,"journal":{"name":"Oil Crop Science","volume":"10 3","pages":"Pages 259-269"},"PeriodicalIF":0.0,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145325928","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":"Evaluation of heterotic effects and inbreeding depression of F2 populations of Brassica juncea based on yield and yield-contributing traits","authors":"Fatema Tuj Johora,&nbsp;Niloy Gain,&nbsp;Md. Zahidur Rahman,&nbsp;Jamilur Rahman","doi":"10.1016/j.ocsci.2025.04.008","DOIUrl":"10.1016/j.ocsci.2025.04.008","url":null,"abstract":"<div><div>Indian mustard is recognized as a resilient and economically important oilseed crop. However, its potential remains untapped due to the limited availability of short-duration, high-yielding varieties capable of outcompeting other <em>rabi</em> crops. Considering this notion, we have evaluated twenty-one F₂ and six BC₁F₁ populations derived from seven diversified parents of <em>B</em><em>rassica</em> <em>juncea</em> following a Randomized Complete Block Design at Sher-e-Bangla Agricultural University. Based on key agronomic traits, the genetic components, heterosis, inbreeding depression, and gene action were studied to select early maturing and high-yielding populations. The percentage of heterosis was manifested in various cross-combinations, including P4 ​× ​P6 (91.45% for yield per plant) and P5 ​× ​P6 (28.52% for thousand seed weight), emerging as promising candidates for increasing productivity while managing negative inbreeding effects. Conversely, significant inbreeding depression was noted in traits like days to siliquae maturity and yield, particularly in crosses, P1 ​× ​P2 (6.29%) and P3 ​× ​P5 (21.74%), underscoring the need for careful selection in breeding programs to mitigate these effects. Variance analysis indicated that both additive and non-additive genetic interactions play a pivotal role in the inheritance patterns of the traits of interest. Among the six backcrosses, one promising line was (P5 ​× ​P6) ​× ​P5, demonstrating early maturity (107.00 DAS) with improved seed yield (12.47 ​g). This combination exhibited the potential for enhancing the adaptability and productivity by maintaining the maturity index and accelerating yield. Furthermore, significant phenotypic variation across yield-contributing traits was notable, whereas thousand seed weight and yield per plant showed high broad-sense and narrow-sense of heritability. Besides, positive correlations between seed yield and its attributing traits were noted, suggesting potential avenues for selection breeding. Collectively, the obtained findings enhance the understanding of genetic mechanisms underlying heterosis and inbreeding depression in <em>B. juncea</em>, providing insights and effective strategies for developing superior cultivars with optimized agronomic traits.</div></div>","PeriodicalId":34095,"journal":{"name":"Oil Crop Science","volume":"10 3","pages":"Pages 223-234"},"PeriodicalIF":0.0,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145109666","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":"Overexpression of Vitreoscilla hemoglobin gene enhances flooding resistance in Brassica napus","authors":"Jiaxin Liu ,&nbsp;Jinfeng Wu ,&nbsp;Xinhong Liu ,&nbsp;Lili Liu ,&nbsp;Mingli Yan ,&nbsp;Bao Li","doi":"10.1016/j.ocsci.2025.03.002","DOIUrl":"10.1016/j.ocsci.2025.03.002","url":null,"abstract":"<div><div>Flooding can lead to oxygen deprivation in rapeseed, negatively affecting its growth and development and ultimately reducing yields. <em>Vitreoscilla</em> hemoglobin (VHb), a bacterial hemoglobin with a high oxygen-binding affinity, plays a key role in enhancing oxygen uptake and metabolic efficiency under low-oxygen conditions. Through genetic transformation, we overexpressed the <em>VHb</em> gene in rapeseed, which resulted in significant improvements in survival rate, root length, and biomass under submerged conditions. Additionally, we observed that transgenic plants developed adventitious roots in response to submergence stress. These transgenic plants also exhibited increased activities of ethanol dehydrogenase and pyruvate decarboxylase—enzymes associated with anaerobic respiration. Our findings indicate that <em>VHb</em> enhances flooding tolerance in rapeseed by promoting adventitious root formation and strengthening the plant's capacity for fermentation metabolism under anaerobic conditions.</div></div>","PeriodicalId":34095,"journal":{"name":"Oil Crop Science","volume":"10 3","pages":"Pages 186-193"},"PeriodicalIF":0.0,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145098759","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":"Evaluation of the nutritional qualities of flaxseeds from five main producing areas in China","authors":"Peiyao Luo ,&nbsp;Xuefang Wang ,&nbsp;Mengxue Fang ,&nbsp;Fei Ma ,&nbsp;Li Yu ,&nbsp;Wei Fan ,&nbsp;Shiyin Guo ,&nbsp;Huiying Lv ,&nbsp;Liangxiao Zhang ,&nbsp;Qianchun Deng ,&nbsp;Peiwu Li ,&nbsp;Zhonghai Tang","doi":"10.1016/j.ocsci.2025.05.003","DOIUrl":"10.1016/j.ocsci.2025.05.003","url":null,"abstract":"<div><div>Flax (<em>Linum usitatissimum</em> L.) is an important oil crop in the high-altitude arid regions of China. Flaxseed is rich in various nutrients. However, the nutritional qualities of flaxseeds from different producing areas are still unclear. In this study, the nutritional characteristics of flaxseed from five producing areas in China were investigated. Twenty five nutritional quality indices in flaxseed were analyzed. Subsequently, chemometric methods, including cluster analysis, principal component analysis (PCA) and partial least square discriminant analysis (PLS-DA), were employed to discover the characteristics of nutritional qualities in flaxseeds. The results revealed there are significant differences in nutritional qualities among flaxseeds from different production areas. Six quality indices including γ-tocopherol, vitamin E, phytosterols, oleic acid, α-linolenic acid, and cycloartenol were susceptible to producing area. In detail, the superiorcharacteristic nutrients of Ningxia flaxseed, Inner Mongolia flaxseed and Hebei flaxseed are vitamin E (17.3 ​mg/100g), α-linolenic acid (52.6%) and cycloartenol (1738.1 ​mg/kg), and phytosterols (3032.0 ​mg/kg), respectively. This study promotes the high-value development and utilization of local flaxseed industry.</div></div>","PeriodicalId":34095,"journal":{"name":"Oil Crop Science","volume":"10 3","pages":"Pages 205-211"},"PeriodicalIF":0.0,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145109664","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}