Method for extracting high-purity mogroside V from siraitia grosvenorii

The invention discloses a method for extracting high-purity mogroside V from siraitia grosvenorii, and relates to the extraction method of the mogroside V. The method includes the specific steps: raw material pretreatment, extraction, centrifugation, enzymolysis, ultrafiltration, nanofiltration, decolorization, concentration, microwave drying, and crushing. The membrane technique is adopted for separation and purification, only pure water is used as a solvent, an organic solvent is discarded, and the method has the advantages of simple operation, safe and environmental-protection products, simple process, high quality and low price, and can realize the continuous large-scale industrial production. 种从罗汉果中提取高纯度罗汉果苷V的方法，涉及种罗汉果苷V的提取方法。其具体步骤包括：原料的预处理、提取、离心、酶解、超滤、纳滤、脱色、浓缩、微波干燥、粉碎。本发明采用了膜技术分离纯化，只使用纯水溶媒，舍弃有机溶剂，其操作简单、产品安全环保，工艺简单，物美价廉，能够实现连续化大规模工业生产。