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Bangangxanthone A and B, two xanthones from the stem bark of Garcinia polyantha Oliv.
Phytochemistry. 2005 Oct; 66(19):2351-5.P

Abstract

Two xanthones, bangangxanthone A (1) [1,5,8-trihydroxy-6'-methyl-6'-(4-methylpent-3-enyl)- pyrano[2',3':3,4]xanthone] and B (2) [1,4,8-trihydroxy-2-prenylxanthone], along with two known xanthones, 1,5-dihydroxyxanthone, 2-hydroxy-1,7-dimethoxyxanthone and the pentacyclic triterpenoids, friedelin, oleanolic acid and lupeol were isolated from the chloroform extract of the stem bark of Garcinia polyantha. The structures of these compounds were assigned by spectroscopic analysis. Compounds 1-4 showed antioxidant DPPH radical scavenging activities.

Authors+Show Affiliations

Department of Organic Chemistry, Faculty of Sciences, University of Yaounde I, P.O. Box 812, Yaounde, Cameroon. alainmeli@yahoo.comNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

16083924

Citation

Lannang, A Meli, et al. "Bangangxanthone a and B, Two Xanthones From the Stem Bark of Garcinia Polyantha Oliv." Phytochemistry, vol. 66, no. 19, 2005, pp. 2351-5.
Lannang AM, Komguem J, Ngninzeko FN, et al. Bangangxanthone A and B, two xanthones from the stem bark of Garcinia polyantha Oliv. Phytochemistry. 2005;66(19):2351-5.
Lannang, A. M., Komguem, J., Ngninzeko, F. N., Tangmouo, J. G., Lontsi, D., Ajaz, A., Choudhary, M. I., Ranjit, R., Devkota, K. P., & Sondengam, B. L. (2005). Bangangxanthone A and B, two xanthones from the stem bark of Garcinia polyantha Oliv. Phytochemistry, 66(19), 2351-5.
Lannang AM, et al. Bangangxanthone a and B, Two Xanthones From the Stem Bark of Garcinia Polyantha Oliv. Phytochemistry. 2005;66(19):2351-5. PubMed PMID: 16083924.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Bangangxanthone A and B, two xanthones from the stem bark of Garcinia polyantha Oliv. AU - Lannang,A Meli, AU - Komguem,J, AU - Ngninzeko,F Ngounou, AU - Tangmouo,J Gustave, AU - Lontsi,D, AU - Ajaz,Asma, AU - Choudhary,M Iqbal, AU - Ranjit,Rosa, AU - Devkota,Krishna P, AU - Sondengam,B Luc, PY - 2005/03/01/received PY - 2005/06/01/revised PY - 2005/06/20/accepted PY - 2005/8/9/pubmed PY - 2005/12/24/medline PY - 2005/8/9/entrez SP - 2351 EP - 5 JF - Phytochemistry JO - Phytochemistry VL - 66 IS - 19 N2 - Two xanthones, bangangxanthone A (1) [1,5,8-trihydroxy-6'-methyl-6'-(4-methylpent-3-enyl)- pyrano[2',3':3,4]xanthone] and B (2) [1,4,8-trihydroxy-2-prenylxanthone], along with two known xanthones, 1,5-dihydroxyxanthone, 2-hydroxy-1,7-dimethoxyxanthone and the pentacyclic triterpenoids, friedelin, oleanolic acid and lupeol were isolated from the chloroform extract of the stem bark of Garcinia polyantha. The structures of these compounds were assigned by spectroscopic analysis. Compounds 1-4 showed antioxidant DPPH radical scavenging activities. SN - 0031-9422 UR - https://www.unboundmedicine.com/medline/citation/16083924/Bangangxanthone_A_and_B_two_xanthones_from_the_stem_bark_of_Garcinia_polyantha_Oliv_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0031-9422(05)00298-0 DB - PRIME DP - Unbound Medicine ER -