罗勒籽胶的提取:优化和功能特性

IF 3.8 2区 农林科学 Q1 PLANT SCIENCES
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引用次数: 0

摘要

以罗勒籽为原料,采用乙醇沉淀法提取了天然植物胶--罗勒籽胶(BSG)。在单因素实验的基础上,通过箱-贝肯响应面试验对提取条件进行了优化,并详细分析了提取罗勒籽胶的理化和功能特性及其微观结构。结果表明,罗勒籽胶的最佳提取条件为:液料比 62:1,温度 50 °C,提取时间 29.50 min,pH = 8.1,收率为 11.28 %。BSG 主要由总糖(93.09 %)、尿酸(18.83 %)、蛋白质(2.77 %)和灰分(4.35 %)组成,其单糖包括 D-(+)-无水葡萄糖(58.26 %)、D-半乳糖(21.40 %)、D-甘露糖(11.96 %)、D-(+)-半乳糖醛酸(7.82 %)、D-阿拉伯糖(0.28 %)、D-(+)-木糖(0.28 %)和 L-鼠李糖(0.002 %)。罗勒籽胶与三种商用植物胶(亚麻籽胶、胡罗卜籽胶、瓜尔豆胶)功能特性的比较分析表明,罗勒籽胶具有优异的保水特性,其吸水性和持水特性远远优于三种商用植物胶。流变学表征表明,罗勒籽胶是一种假塑性流体,具有较高的零剪切粘度。此外,罗勒籽胶粉末在显微镜下呈现不规则的片状纤维结构,是一种半结晶聚合物。鉴于罗勒籽胶的高吸水性和保水性,它在食品、化妆品和医疗器械方面具有广阔的应用前景。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Extraction of basil seed gum: Optimization and functional properties

Basil seed gum (BSG), a natural vegetable gum, was extracted by ethanol precipitation method using basil seeds as raw material. Based on the single factor experiments, Box-Behnken response surface test was performed to optimize the extraction conditions, and the physicochemical and functional properties of the extracted basil seed gum, as well as its microstructure, were analyzed in detail. The results showed that the optimal extraction conditions of basil seed gum were as follows: liquid-to-feed ratio of 62:1, temperature of 50 °C, extraction time of 29.50 min, and pH = 8.1, with yield of 11.28 %. BSG was mainly composed of total sugars (93.09 %), uronic acid (18.83 %), proteins (2.77 %), and ash (4.35 %), and its monosaccharides included D-(+)-anhydrous glucose (58.26 %), D-galactose (21.40 %), D-mannose (11.96 %), D-(+)-galacturonic acid (7.82 %), D-arabinose (0.28 %), D-(+)-xylose (0.28 %), and L-rhamnose (0.002 %). Comparative analysis of the functional properties of basil seed gum and three commercial vegetable gums (linseed gum, caraway seed gum, guar gum) showed that basil seed gum had excellent water retention properties, and its water absorption and water holding properties were much better than those of three commercial gums. Rheological characterization showed that BSG was a pseudoplastic fluid with high zero-shear viscosity. In addition, the basil seed gum powder showed an irregular flaky fibrous structure under microscope and was a semi-crystalline polymer. In view of the high aqueous absorption and retention properties of basil seed gum, it has promising applications in food, cosmetic and medical devices.

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来源期刊
Journal of Applied Research on Medicinal and Aromatic Plants
Journal of Applied Research on Medicinal and Aromatic Plants Pharmacology, Toxicology and Pharmaceutics-Drug Discovery
CiteScore
6.40
自引率
7.70%
发文量
80
审稿时长
41 days
期刊介绍: JARMAP is a peer reviewed and multidisciplinary communication platform, covering all aspects of the raw material supply chain of medicinal and aromatic plants. JARMAP aims to improve production of tailor made commodities by addressing the various requirements of manufacturers of herbal medicines, herbal teas, seasoning herbs, food and feed supplements and cosmetics. JARMAP covers research on genetic resources, breeding, wild-collection, domestication, propagation, cultivation, phytopathology and plant protection, mechanization, conservation, processing, quality assurance, analytics and economics. JARMAP publishes reviews, original research articles and short communications related to research.
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