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Inhibition of Edible Plant Torch Ginger (Etlingera elatior (Jack) R. M. Sm.) against α-Glucosidase and α-Amylase Syafni, Nova; Fakhriadi, Athallah; Nofrizal, Nofrizal; Ismed, Friardi; Putra, Deddi Prima
JSFK (Jurnal Sains Farmasi & Klinis) Vol 10 No 3 (2023): J Sains Farm Klin 10(3), Desember 2023
Publisher : Fakultas Farmasi Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jsfk.10.3.348-352.2023

Abstract

Indonesia's diabetes cases were in the top ten list globally, with 90% of the patients being type-2 diabetes mellitus (T2DM).  An approach for screening the local edible plants is made for managing or treating T2DM by inhibiting α-glucosidase and α-amylase enzymes. Results showed that inflorescence of Etlingera elatior inhibition toward both enzymes. TLC-autography and IC50 value of fractions from E. elatior were used to identify the potential fractions and possible compounds for the activity. The non-polar fraction was spotted in the active substances based on TLC-autography. Then, the targeted compounds were separated by column chromatography to obtain stigmasterol as one of the active compounds. The IC50 values of total extract, n-hexane, EtOAc, BuOH, and isolated compound against α-glucosidase were 16.0, 7.5, 13.5, 9.7, and 2.0 ppm, respectively. The IC50 values for α-amylase inhibition were respectively 88.6, 48.6, 23.2, 29.1, and 27.5 ppm. The positive control (acarbose) against α-glucosidase and amylase exhibited IC50 values of 153.2 and 12.3 ppm. The inhibition of E. elatior against the two enzymes could be an alternative to delay carbohydrate absorption.
POTENTIAL ANTIVIRAL OF CATECHINS AND THEIR DERIVATIVES TO INHIBIT SARS-COV-2 RECEPTORS OF M pro PROTEIN AND SPIKE GLYCOPROTEIN IN COVID-19 THROUGH THE IN SILICO APPROACH Frengki, Frengki; Putra, Deddi Prima; Wahyuni, Fatma Sri; Khambri, Daan; Vanda, Henni; Sofia, Vivi
Jurnal Kedokteran Hewan Vol 14, No 3 (2020): September
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21157/j.ked.hewan.v14i3.16652

Abstract

Catechin and their derivatives have been studied to have antiviral potential against COVID-19 through in silico method pharmacokinetics screening and molecular docking. Pharmacokinetics and toxicity profiles were obtained through the ADMETSAR server and SwissADME server. Then proceed with the prediction of affinity through the method molecular docking using the software application MOE 2007.09. The testmaterial is in the form of a 3D catechin structure and its derivatives as well as several control ligands downloaded via Pubmed. While templatethe Receptor M pro protein and the Spike glycoprotein are downloaded from pdb.org (PDB ID: 6LU7 and 6LXT). The pharmacokinetic profile of catechins is relatively better than all control ligands with the lowest toxicity. Molecular docking results also show that catechins and theirderivatives have a stronger affinity than control ligands. This research proves that catechin has antiviral potential through inhibition of Mpro protein and Spike glycoprotein COVID-19 virus.