Comparative Assessment of Nutritional Composition, Polyphenol Content and Antioxidative Properties of Edible and Medicinal Mushroom: Coriolus versicolor
Abstract
In recent years, edible and medicinal mushrooms have a very important position in functional food and bioactive components. Mushrooms attract the attention of the medical industry with their nutritional properties as well as their benefits for consumer health. The objectives of this research was to to reveal the nutritional composition, antioxidant potential, phenolic and flavonoid content of the commercially edible and medicinal mushroom Coriolus versicolor and to evaluate its anti-cancer effect against HT-29 cells. In this context, the nutrient composition was analyzed in accordance with the Association of Official Analytical Chemists (AOAC) procedure. C. versicolor showed a high nutritional value with protein, carbohydrate, dietary fiber and glucan content. The total phenolic (TPC) and total flavonoid contents (TFC) of the water, ethanol and methanol extracts of the specified mushroom were determined, and it was found that the ethanol extract had the highest TPC (172.80±2.35 mg GAE/g dw) and TFC (48.72±2.89 mg QE/g dw) values among the three extract types. In addition, the antioxidant capacity of extracts was compared with different methods (DPPH, ABTS, FRAP, and CUPRAC). The ethanol extract showed the highest DPPH (39.16±0.82 µM TE/g dw), ABTS (29.19±1.30 µM TE/g dw) and CUPRAC (37.17±0.79 µM TE/g dw) activities among the other extracts, while FRAP (21.01±1.62 µM TE/g dw) activity for water extract was determined to be the highest. Finally, when the anti-cancer effects of these extracts were evaluated against HT-29 cells, it was observed that ethanol, methanol and water extract inhibited 82.43%, 79.15% and 65.56%, respectively, at the end of 48 hours.
Keywords
anti-cancer activity, antioxidative, Coriolus versicolor, mushroom extract, nutritional compositon, polyphenol content
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