野生蓝莓果渣中花色苷提取工艺研究

摘要

以野生蓝莓果渣为原料，采用溶剂浸提法提取花色苷，采用pH示差法对花色苷含量进行测定，试验结果表明：果渣中花色苷的提取工艺为甲醇的浓度为60%，盐酸浓度为0.3%，提取温度为30℃，提取时间为2 h，此条件下花色苷的提取率最高，可达231.49 mg/100 g。%Wild blueberry pomace was used as the raw material to extract anthocyanin by solvent extraction , and the anthocyanin content was determined by pH-differential method. The results demonstrated that the optimum process conditions for anthocyanin extraction was methanol concentration of 60%, concentration of hydrochloric acid of 0.3%, extraction temperature of 30℃and extraction time of 2 h. The total anthocyanin content was 231.49 mg/100 g.