Purple sweet potato anthocyanins extraction technology and composition analysis and its stability and oxidation resistance

This paper compared different varieties or strains of anthocyanins in purple sweet potato pigment etc main substance content, processing and preservation methods affect its content; Comparative study on the solvent method, method of yeast fermentation extract purple sweet potato anthocyanins pigment, and optimize the process parameters; Studied the fermentation extract of anthocyanins pigment to pH change, heat and light stability and metal ions and antioxidant activity; The fermentation extract of purple sweet potato anthocyanins and parse the main molecular structure. Read more [+]