Chemical composition and antioxidant activity of dried powder formulations of Agaricus blazei and Lentinus edodes
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Several mushroom species have been pointed out as sources of antioxidant compounds, in addition to their important nutritional value. Agaricus blazei and Lentinus edodes are among the most studied species all over the world, but those studies focused on their fruiting bodies instead of other presentations, such as powdered preparations, used as supplements. In the present work the chemical composition (nutrients and bioactive compounds) and antioxidant activity (free radical scavenging activity, reducing power and lipid peroxidation inhibition) of dried powder formulations of the mentioned mushroom species (APF and LPF, respectively) were evaluated. Powder formulations of both species revealed the presence of essential nutrients, such as proteins, carbohydrates and unsaturated fatty acids. Furthermore, they present a low fat content (<2 g/100 g) and can be used in low-calorie diets, just like the mushrooms fruiting bodies. APF showed higher antioxidant activity and higher content of tocopherols and phenolic compounds (124 and 770 μg/100 g, respectively) than LPF (32 and 690 μg/100 g). Both formulations could be used as antioxidant sources to prevent diseases related to oxidative stress. © 2012 Elsevier Ltd. All rights reserved.
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Antioxidant activity Bioactive compounds Mushrooms powder formulations Nutrients Anti-oxidant activities Antioxidant compounds Chemical compositions Essential nutrients Free radical scavenging activity Lipid peroxidation Powder formulations Fungi Pigments Unsaturated fatty acids 4 hydroxybenzoic acid Agaricus blazei extract alpha tocopherol arabinose beta tocopherol carbohydrate cinnamic acid fat free radical fructose gallic acid gamma tocopherol Lentinula edodes extract mannitol para coumaric acid phenol protein pyrogallol scavenger syringic acid trehalose unsaturated fatty acid vanillic acid Agaricus blazei antioxidant activity chemical composition controlled study drug formulation fat content Lentinula edodes lipid peroxidation low calory diet nutritional value oxidative stress Agaricus Antioxidants Carbohydrates Chemistry, Pharmaceutical Dietary Supplements Fatty Acids Fungal Proteins Oxidation-Reduction Powders Shiitake Mushrooms
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Food Chemistry, v. 138, n. 4, p. 2168-2173, 2013.
