华南特产蔬菜菜心的营养成分及营养评价

经测定结果表明,每100g菜心食用部分,其能量为89kJ、水分93.5g、灰分1.10g、粗纤维0.91g、粗蛋白2.15g、粗脂肪0.69g、碳水化合物1.65g、VC52.16mg、总黄酮达1.73mg/g,芦丁含量为0.14mg/g。菜心含14种矿质营养元素,以N、Ca最高,Cd最低,特别是P、Fe、Zn、Mn等营养元素含量较丰富,分别比苹果高2～21倍、比番茄高2.5～14倍。菜心除胱氨酸未检出外,含有其它17种氨基酸,以谷氨酸最高、色氨酸最低;总氨基酸含量达275mg/g,必需氨基酸含量为115.01mg/g,鲜味氨基酸含量(天门冬氨酸和谷氨酸)为66.08mg/g。菜心共检出9种饱和脂肪酸和4种不饱和脂肪酸,未检到亚油酸、二十二酸、二十四酸及生物碱。饱和脂肪酸总量达26.44%,以软脂酸为主,占17.81%;不饱和脂肪酸总量达73.58%,以亚麻酸为主,占61.35%。

The Nutritive Composition and Assessment of Brassica Parachinensis

The results indicated the content of water,ash,crude protein,crude fat,crude fiber,carbohydrate,vitamin C,total flavonoids and rutin were 93.5g,1.10g,2.15g,0.69g,0.91g,1.65g,52.16mg,173mg,14mg per 100g edible part in brassica parachinensis respectively.It contained 14 mineral elements,and the content of nitrogen,calcium were highest,while cadmium content was lowest,which was rich in phosphorus,iron,zinc,manganese as compared to apple or tomato.Brassica parachinensis contained 17 kinds of amino acids except cysteine,and the content of glutamic were highest,while content of tryptophan was lowest.There were 9 kinds of saturated fatty acids and 4 kinds of unsaturated fatty acids in brassica parachinensis.Palmitic acid content was highest in saturated fatty acids and linolenic acid was highest in unsaturated fatty acids,but do not contain linoleic acid and alkaloid.