摘要
以石蒜属24个种(变种)的鳞茎为材料,对其淀粉、可溶性糖、总多糖、可溶性蛋白、总酚、总黄酮、总生物碱和总皂苷含量等功能成分进行了测定,利用主成分分析法对功能成分指标和材料进行了综合评价。结果表明,24种石蒜鳞茎中淀粉含量为122.78~169.25 mg/g,可溶性糖含量为103.82~138.06 mg/g,可溶性蛋白含量为18.31~23.61 mg/g,总多糖含量为43.33~75.98 mg/g,总酚含量为0.91~3.79 mg/g,总黄酮含量为0.65~1.78 mg/g,总生物碱含量为3.41~8.69 mg/g,总皂苷含量为0.68~1.22 mg/g,各个指标的变异系数变化范围在8.03%~33.84%之间,不同样品间的可溶性糖含量变异系数小,总酚含量变异系数大。主成分分析结果表明,可以从功能因子、抗氧化因子和营养因子3个方面对石蒜品质性状进行评价。研究初步选出了兼具较高生物碱、抗氧化物质和营养物质含量的红蓝石蒜、长筒石蒜、鹿葱、陕西石蒜、换锦花及秀丽石蒜等6个具有开发功能产品潜力的石蒜种质,为后续开展特定功能物质高含量品种的选育提供了参考。
The contents of functional components including starch,soluble sugars,total polysaccharides,soluble proteins,total phenols,total flavonoids,total alkaloids and total saponins were measured from the bulbs of 24 species(varieties)of Lycoris radiata.Principal component analysis method was used to comprehensively evaluate the functional components and the materials.The results showed that the contents of starch,soluble sugars,total polysaccharides,soluble proteins,total phenols,total flavonoids,total alkaloids and total saponins in tested bulbs were 122.78~169.25 mg/g,103.82~138.06 mg/g,18.31~23.61 mg/g,43.33~75.98 mg/g,0.91~3.79 mg/g,0.65~1.78 mg/g,3.41~8.69 mg/g and 0.68~1.22 mg/g,respectively.The coefficient of variation for each indicator ranged from 8.03%to 33.84%,with small coefficients of variation for soluble sugar content among different materials and large coefficients of variation for total phenolic content.The quality traits of Lycoris could be evaluated from three aspects:the content of functional factors,antioxidant factors and nutritional factors.In this study,Lycoris germplasms with high alkaloids,antioxidant factors and nutritional substance content,such as Lycoris haywardii,Lycoris longituba,Lycoris squamigera,Lycoris shaanxiensis,Lycoris sprengeri,Lycoris jinzheniae which have the potential to be developed as the functional product were selected,in order to provide a reference for further breeding of varieties with high content of specific functional substances.
作者
李青竹
许俊旭
蔡友铭
张永春
杨柳燕
LI Qing-zhu;XU Jun-xu;CAI You-ming;ZHANG Yong-chun;YANG Liu-yan(Forest&Fruit Tree Research Institute,Shanghai Academy of Agricultural Sciences,Shanghai 201106,China;Shanghai Key Laboratory of Protected Horticultural Technology,Shanghai 201106,China)
出处
《江西农业学报》
CAS
2024年第8期87-93,共7页
Acta Agriculturae Jiangxi
基金
上海市科技兴农项目“石蒜种球休眠解除机理及花期精准调控技术研究”(2022-02-08-00-12-F01153)。
关键词
石蒜
鳞茎
功能成分
主成分分析
综合评价
Lycoris radiata
Bulb
Functional component
Principal component analysis
Comprehensive evaluation
