مقاله ۲۰۱۲: ویژگی های آنتی اکسیدانی گونه های قارچ های خوراکی مختلف و افزایش ضریب تبدیل شاه صدف با استفاده از مواد محلی در دست رس برای خاک پوششی
Antioxidant properties of different edible mushroom species and increased bioconversion efficiency of Pleurotus eryngii using locally available casing materials
Total phenolics, radical scavenging activity (RSA) on DPPH, ascorbic acid content and chelating activity on Fe2+ of Pleurotus citrinopileatus, P. djamor, P. eryngii, P. flabellatus, P. florida, P. ostreatus, P. sajor-caju and Hypsizygus ulmarius have been evaluated. The assayed mushrooms contained 3.94-21.67 mg TAE of phenolics, 13.63-69.67% DPPH scavenging activity, 3.76-6.76 mg ascorbic acid and 60.25-82.7% chelating activity. Principal Component Analysis (PCA) revealed that significantly higher total phenolics, RSA on DPPH and growth/day was present in P. eryngii whereas P. citrinopileatus showed higher ascorbic acid and chelating activity. Agglomerative hierarchical clustering analysis revealed that studied mushroom species fall into two clusters; Cluster I included P. djamor, P. eryngii and P. flabellatus, while Cluster II included H. ulmarius, P. sajor-caju, P. citrinopileatus, P. ostreatus and P. florida. Enhanced yield of P. eryngii was achieved on spent compost casing material. Use of casing materials enhanced yield by 21-107% over non-cased substrate.
Highlights
► Pleurotus eryngii possessed higher total phenolics, RSA on DPPH and growth/day. ► Higher ascorbic acid and chelating activity was found in P. citrinopileatus. ► Based on AHC, studied edible mushroom species were fall into two clusters. ► Enhanced BE of P. eryngii was achieved using spent compost casing overlay.
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