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首页> 外文期刊>International journal of food science & technology >Bioactive compounds, pigments, antioxidant activity and antimicrobial activity of yellow prickly pear peels
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Bioactive compounds, pigments, antioxidant activity and antimicrobial activity of yellow prickly pear peels

机译：黄花椒皮的生物活性化合物，色素，抗氧化活性和抗菌活性

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摘要

The main goal of this research was to study the effects of pressure, extraction time and ethanol concentration on antioxidant activity, total phenolics, flavonoids, anthocyanins, carotenoids and betalains compounds extraction from yellow prickly pear peels. A Box-Behnken design and Response Surface Methodology were used to evaluate the effects and estimate the optimum extraction conditions. Antimicrobial activity was evaluated against Escherichia coli and Listeria innocua. Ethanol concentration was the variable that showed the highest effect on extraction yields but high-pressure increased extraction yields between 6% and 17%. Models showed good fitting and adequacy to the experimental data and the high correlation of models indicated that it can be employed to optimise extraction conditions. The experimental and predicted values differed 10% and the extracts inhibited the growth of both bacteria. High-pressure could be a promising extraction process to improve extraction of bioactives from prickly pear peels.
机译：这项研究的主要目的是研究压力，提取时间和乙醇浓度对从黄色花椒皮中提取总抗氧化剂活性，总酚类，类黄酮，花色苷，类胡萝卜素和甜菜碱化合物的影响。 Box-Behnken设计和响应面方法用于评估效果并估计最佳提取条件。评价了对大肠杆菌和无病李斯特菌的抗菌活性。乙醇浓度是变量，对抽提率的影响最大，但高压抽提率在6％和17％之间。模型显示出对实验数据的良好拟合和充分性，并且模型之间的高度相关性表明可以将其用于优化提取条件。实验值和预测值的差异小于10％，提取物抑制了两种细菌的​​生长。高压提取可能是改善从花椒皮中提取生物活性物质的有前途的提取方法。

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