Anthrone colorimetry

Tian S, Zhou X, Gong H, Ma X, Zhang F. Orthogonal test design for optimization of the extraction of polysaccharide from Paeonia sinjiangensis K.Y. Pan. Pharmacognosy Magazine [Internet]. 2011;7(25):4-8. https://www.ncbi.nlm.nih.gov/pubmed/21472071