Enzyme Inhibitory and Antioxidant Activity of Combination of Two Edible Mushrooms of Ganoderma lucidum and Pleurotus ostreatus
Journal Title: Tropical Journal of Natural Product Research - Year 2018, Vol 2, Issue 7
Abstract
Received 04 April 2018 Revised 23 June 2018 Accepted 05 July 2018 Published online 08 July 2018 Edible mushrooms such as Ganoderma lucidum and Pleurotus ostreatus are of great significance in traditional medicine. This study evaluated the in vitro antioxidant and α-amylase inhibition potentials of the hydro-methanol extracts of the fruiting bodies of Ganoderma lucidum (GL), Pleurotus ostreatus (PO) and their combination (GL+PO). The extracts were obtained by hydromethanol (1:40) extraction. The extracts showed a dose-dependent antioxidant and α-amylase inhibitory activities. The combined extracts (GL+PO) exhibited higher antioxidant and α-amylase inhibitory activities than that shown by the individual extract. The combination of GL and PO exhibited maximum (98.65%) antioxidant activity at the highest concentration. GL extract showed the highest amount of total flavonoid (6.58 mg quercetin Eq/g) and total phenolic content (13.67 mg catechol Eq/g) and strong DPPH (2,2-diphenyl-1-picrylhydrazyl) radical scavenging (24.58 µg/mL), superoxide scavenging (652.39 µg/mL), and hydroxyl radical scavenging (555.43 µg/mL) activities while PO exhibited 26.36 µg/mL, 775.65 µg/mL, and 769.23 µg/mL, correspondingly. The combination of GL and PO showed the highest free radical scavenging capabilities (15.01 µg/mL, 495.59 µg/mL, and 312.85 µg/mL for DPPH radical scavenging, superoxide scavenging and hydroxyl radical scavenging activities, respectively). Methanol extracts of mushroom, GL, PO, and GL+PO showed a dose-dependent enzyme inhibitory potential against α-amylase activity with IC50 of 386.04 µg/mL for GL, 391.74 µg/mL for PO, and 363.07 µg/mL for GL+PO, while that of acarbose was 269.15 µg/mL. The results indicate that the combination of Ganoderma lucidum and Pleurotus ostreatus extracts has significantly higher antioxidant and alfa-amylase inhibitory activities compared to the single individual extract.
Authors and Affiliations
Md. Moyen Uddin Pk, Mohammad Sayful Isla, Rumana Pervin, Subhajit Dutta
Keywords
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- EP ID EP491000
- DOI 10.26538/tjnpr/v2i7.3
- Views 70
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