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The limited information regarding the chemical components of tea seeds hinders the development and utilization. This study comprehensively analyzed the main nutrients and active ingredients in tea seeds to evaluate the potential as functional raw material. The fat content in tea seeds was higher, while the levels of ash, protein, and moisture were comparable to those in grape seeds, additionally, their fatty acid composition and polyphenol profile were equally superior. Furthermore, several tea cultivars exhibiting stronger fruiting ability and superior chemical composition in their seeds were identified. Among these, seed kernels of Camellia sinensis cv. Zhonghuang 1 exhibited higher contents of linoleic acid (C18:2), eicosapentaenoic acid (C20:5) and taxifolin compared to the other six cultivars in hierarchical clustering analysis. This study not only provided a data foundation for the development of tea seeds as functional raw material, but also identified several promising cultivars for advancing the tea seed industry.
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http://dx.doi.org/10.1016/j.foodchem.2025.145709 | DOI Listing |
Physiol Plant
September 2025
Agriculture and Agri-Food Canada, Saskatoon Research and Development Centre, Saskatoon, Saskatchewan, Canada.
Dormancy release and germination of the seed are two separate, but continuous phases controlled by both external (e.g., light and temperature) and internal (e.
View Article and Find Full Text PDFPlant Commun
September 2025
Guangdong Provincial Key Laboratory of Applied Botany, Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, China; College of Life Sciences, University of Chinese Academy of Sciences
Seed germination is a critical step in the life cycle of plants. The far-red/red light photoreceptor phytochrome B (phyB) plays a dominant role in promoting seed germination, mainly by modulating the metabolism of gibberellin (GA) and abscisic acid (ABA), although the underlying mechanism remains poorly understood. In this study, we identified BREVIPEDICELLUS (BP)/KNAT1, a KNOX transcription factor that acted downstream of phyB and activated light-initiated seed germination in Arabidopsis thaliana.
View Article and Find Full Text PDFFood Chem X
July 2025
Department of Biotechnology, Graphic Era (Deemed to be University), Dehradun, Uttarakhand, India.
This study aimed to develop a functional cookie (GC) incorporating green tea leaves, wheatgrass, pearl millet flour, and a blend of seeds (pumpkin, sunflower, flax, fennel, sesame) as a nutrient-dense alternative to conventional refined flour cookies. Three formulations (GC-1, GC-2, GC-3) were assessed for physicochemical, nutritional, antioxidant, mineral, and sensory attributes. Refined flour-based cookies (RC-1) served as the control.
View Article and Find Full Text PDFFood Chem
November 2025
Tea Science College, Xinyang Agriculture and Forestry University, Xinyang, Henan, China; Henan Key Laboratory of Tea-plants Comprehensive Utilization in Southern Henan Province, Xinyang, Henan, China; Henan Engineering Technology Research Center for Tea Processing and Testing, Xinyang, Henan, China;
The limited information regarding the chemical components of tea seeds hinders the development and utilization. This study comprehensively analyzed the main nutrients and active ingredients in tea seeds to evaluate the potential as functional raw material. The fat content in tea seeds was higher, while the levels of ash, protein, and moisture were comparable to those in grape seeds, additionally, their fatty acid composition and polyphenol profile were equally superior.
View Article and Find Full Text PDF