野生樱桃李(Prunus cerasifera)果实多酚多样性分析

Diversity analysis of phenolic in wild myrobalan plums(Prunus cerasifera)

【目的】分析野生樱桃李资源果实多酚的多样性,以便为其利用和新品种培育提供基本材料。【方法】对收集、保存于辽宁兴城的野生樱桃李(Prunus cerasifera)103份高接株系中筛选出的13份优异资源和‘晚熟红李’(Prunus salicina)成熟果实酚类物质进行分析。【结果】13份野生樱桃李资源多酚质量分数变异幅度为2 597.63~5 802.33 mg·kg^(-1),变异系数为19.51%;绿原酸、原花青素B_1、儿茶素、原花青素B_2、表儿茶素、原花青素C、芦丁、槲皮素-半乳糖、槲皮素-葡萄糖、槲皮素-木糖醇、槲皮素-吡喃阿拉伯糖等组分含量变异系数为30.56%~108.01%,体现出野生樱桃李丰富的多酚含量多样性;野生樱桃李资源与‘晚熟红李’主要多酚组分不同,存在丰富的多酚组成多样性。【结论】13份野生樱桃李资源在多酚组成和含量上存在丰富的多样性。野生樱桃李5、野生樱桃李7、野生樱桃9、野生樱桃李10、野生樱桃12等5个株系是原花青素B_1、儿茶素、绿原酸、原花青素B_2、表儿茶素和原花青素C的良好来源,进一步挖掘利用的潜力很大。

[ Objective] The wild Myrobalan plum （Prunus cerasifera） is a type of little arbor or sheepberry which belongs to the Prunus genus. As an important species of the wild fruit forests in the Ili river valley of Xinjiang, the wild Myrobalan plum is a type of National and Autonomous Region＇ s key protective spe- cies. And just as its phenotypic diversity, strong stress resistance and high nutritional value, the fruits of the Myrobalan plum contain an abundance of organic acids, pectin, mineral elements.