文献类型： 外文期刊
作者： Xu, Lingxiang 2 ; Wang, Xiaoan 1 ; Li, Qixiang 3 ; Niu, Yuqing 1 ; Ding, Guohui 2 ; He, Jiawei 2 ; Chen, Weiping 2 ; Tian, Dagang 1 ;
作者机构： 1.Fujian Acad Agr Sci, Biotechnol Res Inst, Inst Crop Sci, Fujian Lab Rice Germplasm Innovat & Mol Breeding, Fuzhou 350001, Peoples R China
2.Nanjing Agr Univ, Acad Adv Interdisciplinary Studies, Coll Agr, Plant Phen Res Ctr, Nanjing 210095, Peoples R China
3.Sanming Agr Bur, Sanming 365000, Peoples R China
关键词： routine priming; prolonged priming; germinated brown rice; gamma-aminobutyric acid; seed integrity; desiccation tolerance
期刊名称：PLANTS-BASEL （ 影响因子：4.1； 五年影响因子：4.5 ）
ISSN： 2223-7747
年卷期： 2024 年 13 卷 24 期
页码：
收录情况： SCI
摘要： Germinated whole seeds possess elevated levels of bioactive nutrients; however, their application is hindered by several constraints. The germination process is typically time-consuming, and germinated seeds present challenges in terms of storage and transportation compared to dry seeds. This study introduces a novel processing method for rice, termed prolonged priming (PLP), aiming to combine the benefits of germinated and dry seeds. PLP involves soaking the seeds until the embryo exposure stage, followed by redrying. At 10 h (hour) germination post PLP, the gamma-aminobutyric acid (GABA) levels in Hanyou73 (HY73) and IRAT exceeded 20 mg/100 g. Additionally, there was an induction of various nutrient components, including an increase in protein content, a reduction in amylose levels, and an elevation in fatty acid content, among others. Malondialdehyde levels, indicating oxidative damage, remained stable, and PLP preserved better seed integrity compared to routine priming in the desiccation-tolerant HY73. Collectively, the PLP treatment demonstrates an optimization of the nutritional value and storage in germinated brown rice (GBR). This novel process holds potential for enhancing the nutritional profile of GBR and may be applicable to other crop species.
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