Sweetener comprising total momordica grosvenori glycoside and preparation method thereof

A sweetener comprising total Momordica grosvenori glycoside and preparation method thereof, said sweetener comprises total Momordica grosvenori glycoside, which comprises mogroside V. The sweetener is obtained by extracting Momordica grosvenori with pectinase, macroporous resin adsorption, and neutral alumina column decolorization. The composition is pale yellow or white, and is free of herbal and bitter taste of the Momordica grosvenori itself.