响应面法优化盐地碱蓬中植物盐提取工艺的研究

Optimization of Extraction of Phyto-salt from Suaeda salsa by Response Surface Methodology

以盐地碱蓬为研究对象,在单因素试验基础上,利用采用Box-Behnken响应面试验分析法对盐地碱蓬植物盐的提取工艺进行优化。研究料液比、提取时间和提取温度对盐地碱蓬植物盐提取的影响。结果表明,盐地碱蓬营养生长期的K和Na含量分别为11.7 mg/g和52.1 mg/g;提取最佳工艺条件为:料液比1∶20.45(g/mL),提取温度93.88℃,提取时间5.08 h。在此条件下,盐地碱蓬植物盐提取的水浸出物含量达47.9%,与理论值基本吻合,说明该模型具有较好的分析能力。

Suaeda salsa as the reseach object, on the basis of single factor level determination of screening, designed with Box-Behnken in the response surface analysis software, extracting phyto-salt from Suaeda salsa process conditions was studied. The influences of solid to liquid ratio, extraction temperature and extraction time on the extraction of phyto-salt were studied. The results were obtained as follows： the contents of K, Na of its vegetative growth stage, respectively were 11.7 mg/g, 52.1 mg/g; The optimum conditions of phyto-salt were solid to liquid ratio 1∶20.45（g/mL）, extraction temperature 93.88 ℃and extraction time 5.08 h. Under these conditions, and the experimental yield of water extract content was 47.9%, which was in relative to the predicted yield.