42种树叶氨基酸组成的研究

›› 1989, Vol. 25 ›› Issue (5): 453-458.

42种树叶氨基酸组成的研究

刘萍刘学勤

北京林业大学；山西省林业科学研究所

收稿日期:1988-03-09 修回日期:1900-01-01 出版日期:1989-09-25 发布日期:1989-09-25

STUDIES ON THE AMINO-ACID COMPOSITION AMONG 46 KINDS OF FOLIAGE

Liu Ping,Liu Xueqin

Beijing Forestry University;Forest Research Institute of Shanxi Province

Received:1988-03-09 Revised:1900-01-01 Online:1989-09-25 Published:1989-09-25

摘要/Abstract

摘要： 本文研究了中国42种针、阔叶树种树叶中18种蛋白质氨基酸的含量和组成在不同科、属、种之间和不同立地条件下,不同的生长季节进行了比较和探讨。为了进一步研究它们的利用价值,着重研究了与部分粮食和肉类中蛋白质氨基酸组成之间的差别。阔叶树树叶中总的蛋白质氨基酸含量约为针叶树树叶2—3倍。所有树种的树叶蛋白质氨基酸的组成趋势基本相似,树叶中含量较高的氨基酸有天门冬氨基酸、谷氨酸等8种。树叶中总的氨基酸含量高于粮食2—3倍,而且树叶中蛋白质氨基酸的组成趋势与粮食和肉类不完全相同,特别是人和动物体内不能自身合成的8种必须氨基酸的含量分别为高粱、玉米的3倍,麦麸的2倍,与肉类相比,树叶中亮氨酸和苯西氨酸,占蛋白质氨基酸总量百分比高出4—5倍。结果表明,阔叶树叶是优良的饲料添加剂。

关键词: 蛋白质氨基酸, 必须氨基酸, 饲料填加剂, 针叶, 阔叶

Abstract: The essay analysed 18 kinds of proteinic amino-acid in as many as 42 Chinese coniferous and broad-leavel trees. It discusses and compares their amlno-acid content and their potentical amino-acid composition in different families, categories and species and under different surroundings and in different growing seasons.In order to make a further research on their value and utility, the essay mainly studies the difference in the composition of proteinic aminoacid between grains and trees.The research shows that the amino-acid content in broad-leavel trees is abotu 2 or 3 times as much as that in coniferous. trees Thus it is more beneficial to use broad-leavel trees. But the potentical amino-acid composition in all these trees is quite similar. Trees with a relatively higher aminoacid content are aspartic acid, glutamic acid, leucine, valine, lysine, alanine, phenylalanine, arginine and so on, Those trees with a relatively lower amino-acid content include cystine, methionine, histidine, tryptophan and ammonia.The total amino-acid content in the foliage is about 3 or 4 times higher than that in grains and the potentical amino-acid composition in the foliage is totally different from that in grains and meat, especially for the 8 non-synthetic necessitions amino-acids (such as threonine, valine, isoleucine, leucine and phenylalanine) in human bodies and animals, the amino-acid content is 3 times as much as that in kaoliang and corn and twice as much as that in wheat bran. Compared with meat, the difference is even more obvious. The total percentage of leucine and phenylalanine in proteinic amino-acid is 3 or 4 times higher than that in meat.The result shows that foliage can be used as a substance for supplementing different kinds of proteinic amino-acid, so it is useful for proteinic synthesis in animal bodies. It is concluded that foliage can be used as a very good feed additve for domestic animals and fowls.

Key words: Proteinic amino-acid, Necessitions amino-acid, Feed addifive, Coniferous, Deciduous trees

刘萍刘学勤. 42种树叶氨基酸组成的研究[J]. , 1989, 25(5): 453-458.

Liu Ping;Liu Xueqin. STUDIES ON THE AMINO-ACID COMPOSITION AMONG 46 KINDS OF FOLIAGE[J]. , 1989, 25(5): 453-458.

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