CAJ | 학술논문

桃果实为典型的跃变型果实，需要经历呼吸跃变才能成熟可食。呼吸代谢是跃变型果实采后重要的生理活动之一，与果实采后抗氧化物质的形成存在密切的联系。本文从桃果实采后呼吸跃变生理入手，总结了桃果实采后主要酚酸、黄酮醇、黄烷-3-醇、花色苷和类胡萝卜素消长的规律，并进一步从桃果实采后呼吸代谢中间产物及关键酶与上述次生物质代谢关键酶的基因表达水平探讨呼吸代谢对果实采后抗氧化能力的影响作用，明确呼吸代谢在桃果实采后抗氧化活性过程中的可能作用机制。
도과실위전형적약변형과실，수요경력호흡약변재능성숙가식。호흡대사시약변형과실채후중요적생리활동지일，여과실채후항양화물질적형성존재밀절적련계。본문종도과실채후호흡약변생리입수，총결료도과실채후주요분산、황동순、황완-3-순、화색감화류호라복소소장적규률，병진일보종도과실채후호흡대사중간산물급관건매여상술차생물질대사관건매적기인표체수평탐토호흡대사대과실채후항양화능력적영향작용，명학호흡대사재도과실채후항양화활성과정중적가능작용궤제。
Respiratory metabolism is one of the most important physiological activities of posthavest climacteric fruit, and is also closely related to the biosynthesis of different bioactive compounds. This paper concluded the effect of respiratory metabolism on the biosynthesis and metabolism of antioxidant composition ( such as phenolic acid, flavonol, flavan-3-ol, anthocyanin and carotenoids) and key enzymes expressions in postharvest peach fruit of different varieties ( Red-flesh, Yellow-flesh, and White-flesh) . Based on investigations from the respiration pathway, the paper also discussed the specific mechanism of respiratory metabolism involved in the biosynthesis of such antioxidant compounds, expounded the molecular basis of the biosynthetic pathway and regulation of key enzymes of flavonoids and carotenoids, and clearifed the role and regulation of storage environmental conditions on the antioxdiant properties and antioxidant compounds of harvested fruits during storage. These would provide theoretical basis for regulation of antioxidant compounds metabolism and finally improve the nutritional quality in postharvest fruits.