贵州喀斯特地区果梅果实游离氨基酸含量分析

摘要

Taking the wild plum in Guizhou karst area as materials,the contents and compositions of amino acids were assayed using the automatic amimo acid analyzer.The results showed that the wild plum contained 23 kinds of amino acids,of which 6 were essential amino acids,2 kinds of children essential amino acids.The highest content of total amino acids in the fruit Prunus mume was the Libo-14,which was 10925.31 mg/100 g,which was significantly higher than that of the other plants and cultivars.The essential amino acids and the children essential amino acids were also abundant,and their respectively contents were 1226.24,957.33 mg/100 g.The most of the amino acid species in the fruit Prunus mume were Libo-11 and Libo-16,containing 21 kinds of amino acids.Arginine(arg) content was the highest among abundant medicinal amino acids in fruit Prunus mume.The content of branched chain amino acids in most fruits was also rich,and the Libo-10 was up to 212.05 mg/100 g.In addition,it was found that the content of flavor amino acids were higher in most fruits,and accounted for about 50％ of the total amino acids.The contents of delicious amino acids (866.63 mg/100 g)and sweet amino acids (828.14 mg/100 g)in fruit Libo-19 were the highest.%以贵州喀斯特地区野生果梅为试材,利用氨基酸自动分析仪测定了果梅果实的氨基酸组分和含量.结果表明,野生果梅果实中共含有23种氨基酸,其中有6种是人体必需氨基酸,2种是儿童必需氨基酸.果梅果实中氨基酸总量最高的是荔波-14,可达10925.31 mg/100 g,显著高于其余单株和栽培品种,其人体必需氨基酸和儿童必需氨基酸含量也较丰富,含量分别为1226.24、1957.33 mg/100 g.而果梅果实中氨基酸种类最多的是荔波-11和荔波-16,均含有21种氨基酸.果梅果实中以Arg为主的药效氨基酸含量丰富;大部分果梅果实中支链氨基酸含量亦很丰富,荔波-10中可达212.05 mg/100 g.此外,还发现多数果梅果实中呈味氨基酸含量较高,占总氨基酸含量的50％左右,其中以荔波-19果实中鲜味氨基酸含量(866.63 mg/100 g)和甜味氨基酸含量(828.14 mg/100 g)最高.