Medicinal Flowers. XXII.  Structures of Chakasaponins V and VI, Chakanoside I, and Chakaflavonoside A from Flower Buds of Chinese Tea Plant (Camellia sinensis)

Masayuki Yoshikawa; Sachiko Sugimoto; Seikou Nakamura; Hisashi Matsuda

doi:10.1248/cpb.56.1297

Regular Articles

Medicinal Flowers. XXII. Structures of Chakasaponins V and VI, Chakanoside I, and Chakaflavonoside A from Flower Buds of Chinese Tea Plant (Camellia sinensis)

Masayuki Yoshikawa, Sachiko Sugimoto, Seikou Nakamura, Hisashi Matsuda

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Keywords: chakasaponin, chakanoside I, chakaflavonoside A, Camellia sinensis, medicinal flower, tea plant

JOURNAL FREE ACCESS

2008 Volume 56 Issue 9 Pages 1297-1303

DOI https://doi.org/10.1248/cpb.56.1297

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Abstract

Two acylated oleanane-type triterpene oligoglycosides, chakasaponins V and VI, an aromatic glycoside, chakanoside I, and an acylated flavonol oligoglycoside, chakaflavonoside A, were isolated from the flower buds of Chinese tea plant [Camellia sinensis (L.) O. KUNTZE]. The chemical structures of those new glycosides were elucidated on the basis of chemical and physicochemical evidence.

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