Geographical Variation in Nutritional Components of Peanut: Evidence From Multi‐Region Production Areas
文献类型: 外文期刊
作者: 王雪妍;戚欣;岳晓凤;方梦雪;刘奥;马飞;喻理;汪雪芳;王督;李培武;张良晓
关键词: chemometrics; climatic; geographical variation; nutritional quality; peanut
期刊名称: Food Frontiers
ISSN:
年卷期: 2025 年
页码:
收录情况: EI(2025版) ; ; ESCI(2025版)
摘要: As an important oilseed and food material, the nutritional quality of peanut is influenced by not only genetics but also geography. However, research on the geographical impact remains scarce. In this study, nine peanut cultivars were planted at eight sites to determine geographical effects on quality parameters, including fatty acids, sucrose, tocopherols, and phenolic compounds. General linear model analysis showed that environment of producing area is the first factor for nutritional indicators except oleic acid in high-oleic acid peanut varieties (η2: genetic 51.20%, environmental 37.46%). Geographic factors accounted for 58.21%, 70%, and 37.20% of the variance in total tocopherols, total phenolics, and sucrose, respectively, while the corresponding varietal effects (tocopherols 57.80%; total phenolics 85%; sucrose 20.10%). Climate-–nutrient interaction analysis revealed this was primarily attributed to low-temperature conditions promoting sucrose and phenolic compound biosynthesis (e.g., quercetin). In contrast, elevated temperature and humidity correlated with tocopherol accumulation. Furthermore, we delineated geographical characteristics: Hubei (high oleic acid/tocopherol) and Xinjiang (high sucrose/phenol). This study determined geography’s impact, providing strategies for region-specific breeding to advance the industry.
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