麻疯树胶的提取、化学成分、流变行为、抗氧化活性和功能特性。
Extraction, chemical composition, rheological behavior, antioxidant activity and functional properties of Cordia myxa mucilage.
机构信息
Transfer Phenomena Laboratory (TPL) Department of Food Science, Technology and Engineering Faculty of Agricultural Engineering and Technology University College of Agriculture and Natural Resources University of Tehran, Tehran, Islamic Republic of Iran.
Transfer Phenomena Laboratory (TPL) Department of Food Science, Technology and Engineering Faculty of Agricultural Engineering and Technology University College of Agriculture and Natural Resources University of Tehran, Tehran, Islamic Republic of Iran.
出版信息
Int J Biol Macromol. 2018 Oct 15;118(Pt A):485-493. doi: 10.1016/j.ijbiomac.2018.06.069. Epub 2018 Jun 14.
This paper aims to investigate chemical composition, rheological behavior, antioxidant activity and functional properties of Cordia myxa mucilage (CMM). Response surface methodology (RSM) demonstrated that optimum conditions for CMM extraction were as follow: ultrasound power of 99.37 W, extraction temperature of 88.05 °C and solid to water ratio of 16.25 w/w. CMM had, on average, 77.51% carbohydrate, 5.86% total ash, 8.90% protein, 6.90% moisture, and 1.00% fat. Due to a high level of nutrients, CMM can be suggested as a value added by-product in food and pharmaceutical systems. CMM is a low molecular weight polysaccharide containing three fractions with various molecular weights. FT-IR spectrum illustrated that this polymer had all typical bands and peaks characteristics of polysaccharides. Based on steady shear measurements, CMM can be introduced as a new source of hydrocolloid with high-temperature stability. CMM had the desirable antiradical capacity, water solubility and water/oil holding capacity.
本文旨在研究 Cordia myxa 黏液（CMM）的化学成分、流变行为、抗氧化活性和功能特性。响应面法（RSM）表明，CMM 提取的最佳条件为：超声功率 99.37W，提取温度 88.05°C，固液比 16.25w/w。CMM 的平均碳水化合物含量为 77.51%，总灰分 5.86%，蛋白质 8.90%，水分 6.90%，脂肪 1.00%。由于含有丰富的营养物质，CMM 可以作为食品和制药系统中的增值副产物。CMM 是一种低分子量多糖，含有三个具有不同分子量的部分。FT-IR 光谱表明，该聚合物具有多糖的所有典型基团和特征峰。基于稳态剪切测量，CMM 可以作为一种具有高温稳定性的新型水胶体来源。CMM 具有良好的自由基清除能力、水溶性和水/油保持能力。
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