五种柑橘属水果膳食纤维功能特性及微观结构研究  

Study on functional property and microstructure of dietary fiber from five citrus fruits

作　　者：王岩[1] 袁芳[2] 樊蕊[2] 王磊 高彦祥[2] WANG Yan;YUAN Fang;FAN Rui;WANG Lei;GAO Yanxiang(Hebei JiaoTong Vocational and Technical College,Shijiazhuang 050035;College of Food Science&Nutritional Engineering of China Agricultural University,Beijing 100083;Tangshan Normal University,Tangshan 063000)

机构地区：[1]河北交通职业技术学院,石家庄050035 [2]中国农业大学食品科学与营养工程学院,北京100083 [3]唐山师范学院,唐山063000

出　　处：《中国食品添加剂》2022年第2期75-81,共7页China Food Additives

基　　金：河北省高层次人才项目(A201901128);唐山市科技计划项目(16120204A)。

摘　　要：以脐橙、葡萄柚、柠檬、贡柑和椪柑五种柑橘属水果的果皮为试材,比较了果皮中膳食纤维(DF)功能特性和微观结构的差异。结果表明:五种膳食纤维成分的功能特性和微观结构存在显著差异。葡萄柚DF具有最高的胆酸钠吸附量(877.69±13.32mg/g),胆固醇吸附量(10.88±0.32mg/g〔pH2.0〕,17.90±0.17mg/g〔pH7.0〕),α-淀粉酶活力抑制率(56.73%)和胰脂肪酶活力抑制率(32.5%)。在胃的酸性环境下,椪柑DF具有最高的NO_(2)^(-)清除率(36.40%)。脐橙DF中主要单糖是葡萄糖(33.87%),而其他四种柑橘属DF中主要单糖是阿拉伯糖,其中葡萄柚DF中阿拉伯糖最高(44.83%)。通过扫描电镜观察,葡萄柚和椪柑DF表面更加不规则、粗糙,并且蜂窝状结构更致密伴随大量裂缝和孔隙。With Five citrus fruits(orange,grapefruit,lemon,gonggan and ponkan)as raw material,the functional property and microstructure of dietary fiber from citrus fruits were compared.The results showed that the grapefruit DF had the highest sodium cholate binding ability(877.69±13.32mg/g),cholesterol binding ability(10.88±0.32mg/g〔pH2.0〕,17.90±0.17mg/g〔pH7.0〕),α-amylase activity inhibition rate(56.73%)and pancreatic lipase activity inhibition rate(32.5%).In acidic environment,ponkan DF had the highest NO_(2)^(-)removal rate(36.40%).The main monosaccharide for orange DF was glucose(33.87%),while arabinose was the main one in other four citrus fruits,grapefruit DF had the highest arabinose(44.83%).Electron microscopy showed the surface of the DFs from grapefruit and ponkan is more irregular and uneven with a greater number of cracks and holes.

关 键 词：柑橘属 膳食纤维 功能特性 微观结构 

分 类 号：TS202.1[轻工技术与工程—食品科学] TS255.2[轻工技术与工程—食品科学与工程]