作物学报2011，Vol.37Issue(6)：1087-1092,6.DOI:10.3724/SP.J.1006.2011.01087
品种与环境对我国裸燕麦营养品质的影响
Effects of Cultivar and Environment on Nutritional Quality of Chinese Naked Oats
摘要
Abstract
To understand the status of nutritional quality of Chinese naked oat (Avena sativa L.) cultivars used in oat production,we collected 58 samples of 38 cultivars from six major production areas in China, which were harvested from 2007 to 2009.The nutritional compositions, including grain moisture, crude protein, crude fat, crude fiber, β-glucan, and starch, were analyzed and compared among cultivars, planting sites, and harvest years.These quality parameters varied greatly among cultivars.The content of crude fat had the largest variation coefficient, which was 21.38％.In contrast, starch content had the least variation among cultivars with the variation coefficient of 6.23％.Oleic acid and linoleic acid were the main components of unsaturated fatty acids in oat oil and their proportions were similar, showing a roughly 1:1 ratio.Moreover, there were differences of contents of oleic acid and linoleic acid among cultivars.In the amino acid components, sulfur amino acids (consisted of methionine and cysteine) had the largest variations among cultivars.The integrated quality of oat samples from Gansu Province was higher than that from other planting sites due to its higher contents of protein, β-glucan, linoleic acid, and lysine.Planting year had less effect on nutritional quality of oats compared with cultivar and planting site.According to cluster analysis, a few cultivars with rich β-glucan, protein,linoleic acid, lysine, or sulfur amino acid were screened out, which were propitious to oat breeding and rough material selection in oat processing industry.关键词
燕麦/品种/产地/营养品质/变异性Key words
Oat/ Cultivar/ Planting site/ Nutritional quality/ Variation引用本文复制引用
林伟静,吴广枫,李春红,王燕,周素梅..品种与环境对我国裸燕麦营养品质的影响[J].作物学报,2011,37(6):1087-1092,6.基金项目
本研究由中国农业科学院中央级公益性科研院所基本科研业务费专项和国家自然科学基金项目(31071516)资助. （31071516）
