13个草莓品种果实品质和抗氧化性能比较

摘要

[目的]筛选出适合杭州地区设施栽培的新品种和品质育种的适宜基因资源.[方法]通过农艺性状观察、VC等果实品质检测、多酚等抗氧化物质与性能指标分析,对13个草莓品种进行综合比较分析,并对品种间营养品质与抗氧化性能参数进行相关性分析.[结果]在单果重表现上"越心""甘王"表现较出色,平均单果重近30 g;"甜查理"果实硬度最大(556.67 g/cm2);VC含量最高为"幸香"(0.61 mg/g),与其他品种呈显著差异;可溶性固形物含量"章姬""幸香""初恋情人"均为10.15%,极显著高于其他品种;可溶性总糖含量较高为"章姬""初恋情人",分别为84.57、84.27 mg/g,与其他品种呈显著差异;抗氧化物质含量与抗氧化性能指标最高者为"幸香".多酚与DPPH、ABTS、FRAP呈极显著正相关(r=0.70,r=0.89,r=0.89,P<0.01),多酚在草莓抗氧化能力方面发挥着重要作用.[结论]"幸香"在营养品质、抗氧化物质含量和抗氧化性能上表现突出,是草莓营养品质育种的理想亲本;"初恋情人"抗氧化物质含量和抗氧化性能指标比"幸香"稍低,同时可溶性固形物和总糖含量较高,是白果品种选育极佳的亲本资源;多酚是草莓抗氧化能力的重要物质基础.%[Objective] To screen out the proper genetic resources suitable for new cultivation and quality breeding in Hangzhou area .[Method] A comprehensive comparative analysis of 13 strawberry varieties was carried out through the observation of agronomic traits, VC and other fruit quality testing, polyphenols and other antioxidant substances and performance indicators analysis .Correlation analysis between nutritional quality and antioxidant parameters of varieties was conducted.[Result] In terms of single fruit weight,Yuexin and Ganwang performed better, with an average weight of nearly 30 grams.The hardness of the fruit of sweet Charlie was 556.67 g/cm2 .Xinxiang had the highest content of V C (0.61 mg/g),which was significantly different from other varieties.The contents of soluble solids of Zhangji, Xinxiang and First love were all 10.15%, which were significantly higher than other varieties.The total soluble sugar contents were higher for Zhangji and First love , which were 84.57 mg/g and 84.27 mg/g, respectively,they were significantly different from other varieties.The highest content of antioxidant substances and performance indicators was Xinxiang.Polyphenols were significantly positively correlated with DPPH, ABTS and FRAP (r=0.70, r=0.89, r=0.89, P<0.01).[Conclusion]Xinxiang was the ideal parent for strawberry nutrition quality breeding because of outstanding nutritional quality, antioxidant content and antioxidant properties.The content of antioxidant substances and antioxidant performance index of First love was lower than that of Xinxiang.At the same time,the soluble solids and total sugar content of Xinxiang were higher, which was an excellent genetic re-source for breeding ginkgo varieties.Polyphenols were important material bases of antioxidant ability in strawberry .