安顺地方山药品种主要营养品质性状差异及相关分析  

Differences and Correlation Analysis of Main Nutritional Quality of Local Yam Varieties in Anshun

作　　者：赵艳花 范金华 任明刚 卢平 唐兴发 樊祖立 朱江 Zhao Yanhua;Fan Jinhua;Ren Minggang;Lu Ping;Tang Xingfa;Fan Zuli;Zhu Jiang(Anshun Academy of Agricultural Sciences,Puding,Guizhou 562100)

机构地区：[1]安顺市农业科学院,贵州普定562100

出　　处：《山地农业生物学报》2023年第3期45-49,共5页Journal of Mountain Agriculture and Biology

基　　金：安顺市科技计划项目(安市科农[2019]10)。

摘　　要：为鉴选优质山药地方品种资源,以6个安顺山药地方品种为材料,对其主要营养成分、16种氨基酸和5种矿物营养成分含量进行测定及相关性分析。结果表明,6个安顺地方山药品种的营养成分变异系数均超过20.00%,必需氨基酸含量占比均值达到31.97%;相关性分析表明,有7个必需氨基酸和4个非必需氨基酸与总氨基酸含量之间呈极显著正相关;11个主要营养成分含量中,除了钙和铁元素含量外,其余9个品质营养成分含量均互为正相关。综合来看,安顺市西秀区蔡官山药(LC)氨基酸总量、蛋白质、干物质、维生素C含量分别为1.84%、2.38%、28.00%和0.37 mg/kg,钾和镁元素含量分别为4710.00 mg/kg和192.00 mg/kg,综合营养品质较好,适合作为优异品种进行综合开发利用。In order to identify and select local variety resources of high-quality Chinese yam,the contents of main nutrients,16 amino acids and 5 mineral nutrients and their correlation analysis were determined and analyzed by using local varieties of Anshun yam as materials.The results showed that the coefficient of variation of nutritional components of 6 Anshun local yam varieties exceeded 20.00%,and the average content of essential amino acids reached 31.97%.The correlation analysis showed that the content of 7 essential amino acids and 4 non-essential amino acids were significantly positively correlated with the total amino acid content.Among the 11 main nutrient components,except for calcium and iron,the contents of the other 9 quality nutrient components were positively correlated with each other.In words,the content of the total amino acid,protein,dry matter and vitamin C of Caiguan yam(LC)in Xixiu District,Anshun City were 1.84%,2.38%,28.00%and 0.37mg/kg respectively,with the contents of potassium of 4710.00 mg/kg and magnesium of 192.00mg/kg,respectively.Its comprehensive nutritional quality is well,and which is suitable for comprehensive development and utilization as an excellent variety.

关 键 词：地方山药品种 营养品质 氨基酸 相关性 

分 类 号：S326[农业科学—作物遗传育种]