锦橙皮渣膳食纤维微粉化 及其功能特性研究

摘要/Abstract

摘要： 以锦橙果汁加工副产物锦橙皮渣为原料制备锦橙皮渣膳食纤维（dietary fiber, DF），通过普通粉碎和球磨法微细化处理，得到不同粒径大小的锦橙皮渣膳食纤维微粉（Dietary Fiber Powders, DFP）和超微粉（micronized dietary fiber powders, MDFP），测定其理化性质和重金属离子结合力，并利用激光粒度仪、红外光谱、X衍射、热分析、扫描电镜对不同的锦橙皮渣膳食纤维粉进行粒径测定和结构观察，探究超微粉碎间对锦橙皮渣膳食纤维理化性质、微观结构及重金属离子吸附能力的影响。结果表明，球磨微细化处理后DF的粒径减小；粉体的持水性、持油性、溶胀性、重金属离子结合力显著升高（p < 0.05），色泽变浅。本实验为锦橙皮渣的综合利用以及作为一种潜在食品添加剂资源提供了理论依据。

关键词: 皮渣, 膳食纤维, 微细化, 功能性质

Abstract: Peel and pomace of Jincheng oranges was used to prepare dietary fiber (DF). Using common crushing technique and ball milling micronization technique, Jincheng peel dietary fiber powders (DFP) and micronized dietary fiber powders (MDFP) were obtained. These two types of DFP have different particle size. Their physical and chemical properties, and the ability to bond with heavy metal ions were measured. Laser particle analyzer, infrared spectrometer, X-diffractometer, thermal analyzer, and scanning electron microscope were used to measure the particle size of and observe the structure of different Jincheng peel DF, in an attempt to how micronized crushing affects the physical and chemical properties, and microstructure of Jincheng peel DF, as well as their ability to absorb heavy metal ions. Results showed that after ball milling micronization, compared with DFP, MDFP color became lighter, MDFP particle size was reduced, and MDFP's water retention, oil retention, swelling capacity, and bonding with heavy metal ions significantly improved (p < 0.05). This experiment theoretically supports the comprehensive use of Jincheng peel and pomace and its function as a source of food additive.

Key words: peel and pomace, dietary fiber, micronized, functional properties

中图分类号:

TS209

易甜崔文文王明锐姚晶晶. 锦橙皮渣膳食纤维微粉化及其功能特性研究[J]. 食品科学, 0, (): 0-0.

Tian YI Wenwen CUI. Study on the functional properties of micronized dietary fiber powder extracted from by-products of peel and pomace of Jincheng oranges[J]. FOOD SCIENCE, 0, (): 0-0.

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