Two Bitter Biphenyl Glucosides from Swertia japonica1

Yasumasa Ikeshiro; Takashi Kubota; Yutaka Tomita

doi:10.1055/s-2007-969942

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Planta Med 1983; 47(1): 26-29
DOI: 10.1055/s-2007-969942

Research Articles

Two Bitter Biphenyl Glucosides from Swertia japonica¹

Yasumasa Ikeshiro¹ , Takashi Kubota² , Yutaka Tomita¹

¹Department of Pharmacognosy and Phytochemistry, Niigata College of Pharmacy, Niigata, Japan
²School of Medicine, Kinki University, Osaka, Japan

1 Dedicated to Emeritus Professor Dr. HOLGER ERDTMAN on his 80th birthday.

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Publikationsverlauf

1982

1982

Publikationsdatum:
26. März 2007 (online)

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Abstract

From the whole plants of Swertia japonica MAKINO a mixture of two new bitter biphenyl glucosides biphenosides A and B, was isolated along with three known secoiridoid glucosides by the application of droplet countercurrent chromatography (DCCC). The structure of the biphenyl glucoside was established by chemical degradation and spectroscopic methods.

Key word Index

Swertia japonica - Gentianaceae - Biphenyl Glucosides - Biphenosides A and B - Droplet Counter-Current Chromatography - ¹³C-NMR