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Table 2 Quality evaluation of QYYYG

From: Qian Yang Yu Yin Granule-containing serum inhibits angiotensin II-induced proliferation, reactive oxygen species production, and inflammation in human mesangial cells via an NADPH oxidase 4-dependent pathway

Major constituents Method of determination Quality specifications
2,3,5,4′-tetrahydroxystilbene-2-O-β-D-glucopyranoside HPLC >6 mg per 10 g QYYYG
Polygoni Multiflori Radix TLC Contained
Herba Bidentis Bipinnatae TLC Contained
Corni Fructus TLC Contained
Cyathulae Radix TLC Contained
  1. HPLC: high performance liquid chromatogram, TLC: thin-layer chromatography.