Thin-Layer Chromatographic Determination of Panaxadiol and Panaxatriol by Ultraviolet Derivatization

YUHICHIRO SARUWATARI; HIROMICHI BESSO; KIYOSHI FUTAMURA; TOHRU FUWA; OSAMU TANAKA

doi:10.1248/cpb.27.147

YUHICHIRO SARUWATARI, HIROMICHI BESSO, KIYOSHI FUTAMURA, TOHRU FUWA, OSAMU TANAKA

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Keywords: Panax ginseng C. A. MEYER

JOURNAL FREE ACCESS

1979 Volume 27 Issue 1 Pages 147-151

DOI https://doi.org/10.1248/cpb.27.147

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Abstract

Panaxadiol (I) and panaxatriol (II) yielded on hydrolysis of ginseng saponins with 5% H₂SO₄/H₂O-EtOH (3 : 1) quantitatively reacted with a hundred fold excess of β-naphthoyl chloride in pyridine at room temperature, respectively. Completely stable derivatives, which were obtained as β-naphthoates, were analyzed by a thin-layer chromatography-dual chromatoscanner. This procedure was applied to the evaluation of the commercial ginseng.

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