裸燕麦中非淀粉多糖对淀粉体外消化特性的影响  

Effect of Non-starch Polysaccharide on Starch Digestion Properties in vitro of Naked Oat(Avena nuda)

作　　者：秦琳 李曦[1] 赵珊[1] 黄世群[1] 雷欣宇[1] 郑幸果 靳可婷 刘龙龙[2] 仲伶俐[1] Qin Lin;Li Xi;Zhao Shan;Huang Shiqun;Lei Xinyu;Zheng Xingguo;Jin Keting;Liu Longlong;Zhong Lingli(Institute of Quality Standard and Testing Technology Research,Sichuan Academy of Agricultural Sciences,Chengdu 610066;Center for Agricultural Genetic Resources Research,Shanxi Agricultural University,Taiyuan 310031)

机构地区：[1]四川省农业科学院农业质量标准与检测技术研究所,成都610066 [2]山西农业大学农业基因资源研究中心,太原030031

出　　处：《中国粮油学报》2023年第10期74-80,共7页Journal of the Chinese Cereals and Oils Association

基　　金：四川省财政自主创新专项项目(2022ZZCX041)。

摘　　要：为研究裸燕麦中非淀粉多糖对淀粉消化特性的影响,对8个裸燕麦品种淀粉组成和非淀粉多糖组分含量进行测定,对比β-葡聚糖、果胶、半纤维素和纤维素对淀粉体外消化特性的影响。结果表明,β-葡聚糖和半纤维素是裸燕麦非淀粉多糖的主要组成部分,占比分别为46.3%和43.3%;淀粉水解率与β-葡聚糖含量呈显著负相关(P<0.05),与半纤维素、果胶和纤维素含量未表现出显著相关性(P>0.05),但经非淀粉多糖酶解后,淀粉离体消化速率升高;相比于对照组,半纤维素酶解后淀粉离体消化速率和快消化淀粉含量升高最为显著(P<0.05),分别增加40.91%和73.92%,其次为纤维素酶处理、果胶酶处理。酶解处理后慢消化淀粉含量均有显著降低(P<0.05)。裸燕麦中非淀粉多糖均可降低其淀粉体外消化能力。This study was to explore the effect of non-starch polysaccharide on starch digestion properties of naked oat.In the study,8 naked oats varieties were used as the materials and the starch components and non-starch polysaccharide components content was determined.The effects ofβ-glucan,pectin,hemicellulose and cellulose on starch digestion in vitro were compared.The results indicated thatβ-glucan and hemicellulose accounted for 46.3%and 43.3%of total non-starch polysaccharide,respectively,being the major composition of non-starch polysaccharide in naked oat.The results of correlation analysis indicated that the hydrolysis rate of starch in vitro was negatively correlated withβ-glucan,but not with pectin,hemicellulose,and cellulose content.However,the hydrolysis rate of starch in vitro increased after non-starch polysaccharide enzymatic treatments.Compared with the control group,the in vitro digestion rate of starch and the content of ready digestible starch was increased most significantly after hemicellulose enzyme treatment(P<0.05),increased by 40.91%and 73.92%,respectively,followed by cellulase enzyme treatment and pectinase enzyme treatment.The contents of slowly digestible starch were significantly decreased after their enzymatic treatments(P<0.05).Non-starch polysaccharides of naked oat could reduce starch digestibility in vitro.

关 键 词：裸燕麦 非淀粉多糖 消化特性 

分 类 号：TS213[轻工技术与工程—粮食、油脂及植物蛋白工程]