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All Journal HAYATI Journal of Biosciences
Sukrasno Sukrasno
1Pharmaceutical Biology Research Group, School of Pharmacy, Bandung Institute of Technology, Bandung, Indonesia. Departement of Pharmacy, Faculty of Science, Sumatera Institute of Technology, Lampung, Indonesia
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences

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The Inhibition of 15-Lipoxygenase by Blechnum orientale Leaves and its Glycoside-flavonoid Isolates: In Vitro and In Silico Studies Rissyelly Rissyelly; Syaikhul Aziz; Frangky Sangande; Agung Wibawa Mahatva Yodha; Krisyanti Budipramana; Elfahmi Elfahmi; Sukrasno Sukrasno
HAYATI Journal of Biosciences Vol. 29 No. 3 (2022): May 2022
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.4308/hjb.29.3.353-359

Abstract

Fern is one of the groups of primitive plants rich in secondary metabolites that are commonly used to treat various diseases, including antioxidant, anti-hyaluronidase, anti-inflammation, and respiratory disease but less investigated. Flavonoid is one of the secondary metabolites abundantly present in ferns. This study aims to isolate major compounds found in Blechnum orientale act as 15-lipoxygenase (15-LOX) inhibitors. Inhibition of lipoxygenase decrease the production of leukotriene that induces bronchoconstriction in asthma. Isoquercitrin (Quercetin-3-O-β-glucopyranoside) and trifolin (kaempferol-3-O-β-D-galactoside) have been successfully isolated from Blechnum orientale. Further in silico study was performed to explain the binding mode between flavonoid pyranoside or galactoside and flavonoid aglycone in the 15-LOX cavity and their amino acid residues interaction. Isoquercitrin binds with Ile663, Ile400, Leu408, Leu597, Ala404, and Arg403 in the 15-LOX cavity as a lipoxygenase inhibitor. Trifolin binds the same amino acids as isoquercetin with addition His366, Gln596, and Phe175. Both isoquercitrin and trifolin act as competitive inhibitors against lipoxygenase enzymes.
Co-Authors Budipramana, Krisyanti Elfahmi Elfahmi, Elfahmi Frangky Sangande Rissyelly Rissyelly Syaikhul Aziz Yodha, Agung Wibawa Mahatva