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Volumn 55, Issue 2, 2007, Pages 293-298

Bioactive saponins and glycosides. XXVIII. New triterpene saponins, foliatheasaponins I, II, III, IV, and V, from Tencha (the leaves of Camellia sinensis)

Author keywords

Camellia sinensis; Degranulation inhibitor; Foliatheasaponin; Tea plant; Tencha; Triterpene saponin

Indexed keywords

ANTIGEN; BETA N ACETYLHEXOSAMINIDASE; CAMELLIA SINENSIS EXTRACT; FOLIATHEASAPONIN I; FOLIATHEASAPONIN II; FOLIATHEASAPONIN IV; FOLIATHEASAPONIN V; FOLIATHEASPONIN III; GLYCOSIDE; METHANOL; PLANT EXTRACT; SAPONIN; UNCLASSIFIED DRUG;

EID: 33846951500     PISSN: 00092363     EISSN: 13475223     Source Type: Journal    
DOI: 10.1248/cpb.55.293     Document Type: Article
Times cited : (60)

References (48)
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    • Sagesaka Y. M, Uemura T, Watanabe N, Sakata K, Uzawa J, Biosci. Biotech. Biochem, 58, 2036-2040 1994, The physical data of theasaponin B1 methyl ester were cited in this paper
    • 1 methyl ester were cited in this paper.
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    • Sagesaka Y., Health Science of Tea, Chap. 8.3, eds. by Muramatsu K., Gakkai Shuppan Center Pres, Tokyo, 2002, pp. 364-378.
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    • Theasaponin B1 (6, Colorless fine crystals (from CHCl3-MeOH, mp 235.5-236.5°C. 1H-NMR (600 MHz, pyridine-d5) δ: 0.78, 0.80, 1.13, 1.13, 1.29, 1.33, 1.51 (3H each, all s, 26, 25, 29, 24, 23, 30, 27-H3, 2.01, 2.55 (3H each, both s, 22, 16-O-Ac, 3.04 (1H, dd, J=4.1, 14.1 Hz, 18-H, 3.24 (1H, dd, J=4.1, 11.6 Hz, 3-H, 3.49, 3.62 (1H each, both d, J=10.7 Hz, 28-H2, 4.92 (1H, d, J=7.2 Hz, 1′-H, 5.02 (1H, d, J=7.6 Hz, 1″″-H, 5.42 (1H, br s, 12-H, 5.63 (1H, br s, 16-H, 5.73 (1H, d-like, 1″-H, 5.74 (1H, d-like, 1‴-H, 5.94 (1H, d, J=10.7 Hz, 21-H, 6.22 (1H, d, J=10.7 Hz, 22-H, 6.81, 7.99 (1H each, both d, J=16.1 Hz, Cin-2-H and Cin-3-H, 7.34 (3H, br s, Cin-2′,6′-H and Cin-4′-H, 7.59 (2H, br s, Cin-3′,5′-H, 13C-NMR (150 MHz, pyridine-d 5)
    • C: given in Table 1.
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    • Those known compounds were identified by comparison of their physical data with commercially obtained samples
    • Those known compounds were identified by comparison of their physical data with commercially obtained samples.
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    • 1H HOHAHA) experiments.
    • 1H HOHAHA) experiments.
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    • Although 2-4 were isolated as their methyl esters from the leaves of C. sinensis, previously,10,11,13-15 their physical data have not been described
    • 10,11,13-15) their physical data have not been described.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.