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- Title
Optimization of γ-Aminobutyric Acid Production in Brown Rice via Prolonged Seed Priming.
- Authors
Xu, Lingxiang; Wang, Xiaoan; Li, Qixiang; Niu, Yuqing; Ding, Guohui; He, Jiawei; Chen, Weiping; Tian, Dagang
- Abstract
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 γ-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.
- Subjects
NUTRITIONAL value; RICE processing; FATTY acids; AMYLOSE; GABA
- Publication
Plants (2223-7747), 2024, Vol 13, Issue 24, p3594
- ISSN
2223-7747
- Publication type
Academic Journal
- DOI
10.3390/plants13243594