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Vol. 32 No. 7 (2020): Vol 32 Issue 7

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

Consolacion Y. Ragasa
Department of Chemistry, De La Salle University, 2401 Taft Avenue, Manila 1004, Philippines; Department of Chemistry, De La Salle University Science & Technology Complex, Leandro V. Locsin Campus, Biñan City, Laguna 4024, Philippines
Emelina H. Mandia
Department of Biology, De La Salle University, 2401 Taft Avenue, Manila 1004, Philippines; Microalgae Systematics and Applied Phycology Research Unit, Center for Natural Science and Environment Research (CENSER), De La Salle University, 2401 Taft Avenue, Manila 1004, Philippinesed Phycology Research Unit, Center for Natural Science and Environment Research (CENSER), De La Salle University, 2401 Taft Avenue, Manila 1004, Philippines
Maria Carmen S. Tan
Department of Chemistry, De La Salle University, 2401 Taft Avenue, Manila 1004, Philippines
Glenn G. Oyong
Molecular Science Unit, Center for Natural Science and Environmental Research, De La Salle University, 2401 Taft Avenue, Manila 1004, Philippines
Cynthia F. Madrazo
Department of Chemical Engineering, De La Salle University, 2401 Taft Avenue, Manila 1004, Philippines
Aristotle T. Ubando
Department of Mechanical Engineering, De La Salle University, 2401 Taft Avenue, Manila 1004, Philippines; Center for Engineering and Sustainable Development Research, College of Engineering, De La Salle University, Manila, Philippines
Alvin B. Culaba
Department of Mechanical Engineering, De La Salle University, 2401 Taft Avenue, Manila 1004, Philippines; Center for Engineering and Sustainable Development Research, College of Engineering, De La Salle University, Manila, Philippines
Chien-Chang Shen
National Research Institute of Chinese Medicine, Ministry of Health and Welfare, 155-1, Li-Nong St., Sec. 2, Taipei 112, Taiwan

Corresponding Author(s) : Consolacion Y. Ragasa

consolacion.ragasa@dlsu.edu.ph

Asian Journal of Chemistry, Vol. 32 No. 7 (2020): Vol 32 Issue 7

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.

Keywords

Chlorococcum infusionum Phytosterols Chondrillasterol 22-Dihydrochondrillasterol Lutein Triacylglycerols
Ragasa, C. Y., Mandia, E. H., S. Tan, M. C., Oyong, G. G., Madrazo, C. F., Ubando, A. T., … Shen, C.-C. (2020). Sterols and Other Metabolites from Freshwater Microalga Chlorococcum infusionum (Schrank) Meneghini. Asian Journal of Chemistry, 32(7), 1614–1616. Retrieved from https://asianpubs.org/index.php/ajchem/article/view/2383
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