Sterols and Other Metabolites from Freshwater Microalga Chlorococcum infusionum (Schrank) Meneghini

Author:

Ragasa Consolacion Y.1,Mandia Emelina H.2,S. Tan Maria Carmen3,Oyong Glenn G.4,Madrazo Cynthia F.5,Ubando Aristotle T.6,Culaba Alvin B.6,Shen Chien-Chang7

Affiliation:

1. 1Department of Chemistry, De La Salle University, 2401 Taft Avenue, Manila 1004, Philippines 2Department of Chemistry, De La Salle University Science & Technology Complex, Leandro V. Locsin Campus, Biñan City, Laguna 4024, Philippines

2. 3Department of Biology, De La Salle University, 2401 Taft Avenue, Manila 1004, Philippines 4Microalgae Systematics and Applied Phycology Research Unit, Center for Natural Science and Environment Research (CENSER), De La Salle University, 2401 Taft Avenue, Manila 1004, Philippines

3. Department of Chemistry, De La Salle University, 2401 Taft Avenue, Manila 1004, Philippines

4. Molecular Science Unit, Center for Natural Science and Environmental Research, De La Salle University, 2401 Taft Avenue, Manila 1004, Philippines

5. Department of Chemical Engineering, De La Salle University, 2401 Taft Avenue, Manila 1004, Philippines

6. 7Department of Mechanical Engineering, De La Salle University, 2401 Taft Avenue, Manila 1004, Philippines 8Center for Engineering and Sustainable Development Research, College of Engineering, De La Salle University, Manila, Philippines

7. National Research Institute of Chinese Medicine, Ministry of Health and Welfare, 155-1, Li-Nong St., Sec. 2, Taipei 112, Taiwan

Abstract

Chemical investigation of the dichloromethane extract of Chlorococcum infusionum afforded a mixture of chondrillasterol (1) and 22-dihydrochondrillasterol (2) in a 3:1 ratio as the major sterols, and lutein (3), triacylglycerols (4), fatty acids (5) and hydrocarbons (6) as the minor compounds. The structures of compounds 1 and 2 were elucidated by extensive 1D and 2D NMR spectroscopy, while compounds 3-6 were identified by comparison of their NMR data.

Publisher

Asian Journal of Chemistry

Subject

General Chemistry

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