Phenolic compounds from Callistemon citrinus leaves and stems

Pham Ngoc Khanh, Ho Viet Đuc, Tran Thu Huong, Vu Thi Ha, Doan Thi Van, Ninh The Son, Young Ho Kim, Do Quoc Viet, Nguyen Manh Cuong
Author affiliations

Authors

  • Pham Ngoc Khanh Department of Bioactive Compounds, Institute of Natural Products Chemistry, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Ha Noi, Viet Nam
  • Ho Viet Đuc Faculty of Pharmacy, Hue University of Medicine and Pharmacy, Hue University, 06 Ngo Quyen, Hue, Viet Nam
  • Tran Thu Huong Department of Bioactive Compounds, Institute of Natural Products Chemistry, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Ha Noi, Viet Nam
  • Vu Thi Ha Department of Bioactive Compounds, Institute of Natural Products Chemistry, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Ha Noi, Viet Nam
  • Doan Thi Van Department of Bioactive Compounds, Institute of Natural Products Chemistry, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Ha Noi, Viet Nam
  • Ninh The Son Department of Bioactive Compounds, Institute of Natural Products Chemistry, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Ha Noi, Viet Nam
  • Young Ho Kim College of Pharmacy, Chungnam National University, Daejeon 305-764, Korea
  • Do Quoc Viet Institute of Chemistry, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Ha Noi, Viet Nam
  • Nguyen Manh Cuong Department of Bioactive Compounds, Institute of Natural Products Chemistry, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Ha Noi, Viet Nam

DOI:

https://doi.org/10.15625/0866-708X/54/2/6469

Keywords:

Callistemon citrinus, flavonoid, triterpenoid.

Abstract

In the search for bioactive constituents from Vietnamese plants,  the leaves and stems of Callistemon citrinus (Curtis) Skeels were selected for chemical investigation. Phytochemical analysis of plant led to the isolation of eight phenolic compounds including two flavonoids (eucalyptine (1) and 8-demethyleucalyptine (2)), two alcohols (blumenol A (3), n-tetratriacontanol (4)), three benzoic acid derivatives (acid gallic (5), methyl gallate (6) protocatechuic acid (7)), one sterol (b-sitosterol (8)), and along with one sesquiterpene (2,6,10-bisabolatriene (9)). The structures of the natural compounds were determined by spectroscopic evidences including 1D- and 2D-NMR and ESI-MS.

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Published

12-04-2016

How to Cite

[1]
P. N. Khanh, “Phenolic compounds from Callistemon citrinus leaves and stems”, Vietnam J. Sci. Technol., vol. 54, no. 2, pp. 190–197, Apr. 2016.

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