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Correlation between 5-hydroxymethylfurfural content and color of Rehmanniae Radix and Rehmanniae Radix Praeparata
Cui Wu, Liang Xu, Bo Xu, Zhuojun Li, Zhimao Chao
Journal of Chinese Pharmaceutical Sciences . 2020, (5): 314 -321 .  DOI: 10.5246/jcps.2020.05.029