Topic
Volvariella volvacea
About: Volvariella volvacea is a research topic. Over the lifetime, 518 publications have been published within this topic receiving 8216 citations. The topic is also known as: paddy straw mushroom & Volvariella volvacea.
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TL;DR: Methanol and water crude extracts from Shiitake mushroom (Lentinus edodes) and straw mushroom (Volvariella volvacea) were investigated for their antioxidant capacity in three different assays, namely, β-carotene and linoleic acid system, 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activity, and inhibition of hemolysis of rat erythrocyte induced by peroxyl radicals.
914 citations
TL;DR: In this paper, the free radical scavenging activities of commercially available mushrooms in Taiwan were demonstrated by using the DPPH method, and the antioxidative properties of ethanol extracts of various mushrooms in an emulsified corn oil (o/w) system were compared.
Abstract: The antioxidative potency of commercially available mushrooms in Taiwan was studied. The free radical scavenging activities of these mushrooms were demonstrated by using the DPPH method. The antioxidative activities of ethanol extracts of various mushrooms in an emulsified corn oil (o/w) system at 60C were compared. The addition of test compounds in corn oil emulsions significantly extended the induction period of lipid oxidation. The order of inhibitory activity of mushroom extracts on oxidation in emulsion system was Agaricus bisporus > Hypsizigus marmoreus > Volvariella volvacea > Flammulina velutipes > Pleurotus eryngii > Pleurotus ostreatus > Hericium erinaceus > Lentinula edodes. In the thermal oxidative stability test, using lard, the order of antioxidative activity of test materials showed similar tendencies, except for the extract of Lentinula edodes.
316 citations
TL;DR: The substrates cellulose:lignin ratios were found to be positively correlated to mycelial growth rates and to mushroom yield of P. ostreatus and P. pulmonarius and V. volvacea strains and between cellulose content and mushroom yield for V. aegerita and Pleurotus spp.
Abstract: Ten selected wild and commercial strains of Pleurotus ostreatus,Pleurotus eryngii,Pleurotus pulmonarius, Agrocybe aegerita andVolvariella volvacea were cultivated on three agricultural wastes, i.e. wheat straw (WS), cotton waste (CW) and peanut shells (PS). All species demonstrated significantly higher colonization rates on WS and CW than on PS. WS supported faster growth of A. aegerita and Pleurotus spp., whereas V. volvacea performed better on CW. Comparison of growth rates on composted and non-composted WS and CW substrates revealed that in the latter case faster colonization was achieved, particularly for Pleurotus spp. However, one commercial strain of V. volvacea presented higher growth rates when the composted CW medium was used. Furthermore, earliness in the fructification of P. ostreatus, P. pulmonarius and V. volvacea strains was promoted in CW substrates, while WS favoured earliness of P. eryngii and A. aegerita. Similarly, high sporophore yields were obtained by P. ostreatus and P. pulmonarius on both wastes, whereas WS enhanced yield and basidioma size of P. eryngii and A. aegerita strains and CW production of V. volvacea. The substrates cellulose:lignin ratios were found to be positively correlated to mycelial growth rates and to mushroom yield of P. ostreatus and P. pulmonarius; in addition, positive correlation was also detected for carbon:nitrogen ratio and mushroom yield in P. eryngii and A. aegerita and between cellulose content and mushroom yield for V. volvacea strains.
210 citations
TL;DR: Examination of the lignocellulolytic enzyme profiles of the three important commercially cultivated mushrooms show diversity to be reflected in qualitative variations in the major enzymic determinants required for substrate bioconversion.
Abstract: One of the most economically-viable processes for the bioconversion of many types of lignocellulosic wastes is represented by edible mushroom cultivation. Lentinula edodes, Volvariella volvacea and Pleurotus sajor-caju are three important commercially cultivated mushrooms which exhibit varying abilities to utilise different lignocellulosics as growth substrate. Examination of the lignocellulolytic enzyme profiles of the three species show this diversity to be reflected in qualitative variations in the major enzymic determinants (i.e. cellulases, ligninases) required for substrate bioconversion. For example, L. edodes, which is cultivated on highly lignified substrates such as wood or sawdust, produces two extracellular enzymes which have been associated with lignin depolymerisation in other fungi, (manganese peroxidase and laccase). Conversely, V. volvacea, which prefers high cellulose-, low lignin-containing substrates produces a family of cellulolytic enzymes including at least five endoglucanases, five cellobiohydrolases and two β-glucosidases, but none of the recognised lignin-degrading enzymes.
203 citations
01 Mar 1981
TL;DR: The mushroom obtained has higher protein content than and comparable carbohydrate content to Agaricus bisporus, Volvariella volvacea, Lentinus edodes and Pleurotus ostreatus, and has a high potential to be produced economically on a large scale in Hong Kong.
Abstract: A method for the cultivation of Pleurotus sajorcaju on a relatively large scale using cotton waste as substrate has been developed, and the mushroom so obtained has higher protein content than and comparable carbohydrate content to Agaricus bisporus, Volvariella volvacea, Lentinus edodes and Pleurotus ostreatus. The crude fats, ash, energy value, vitamin and mineral contents are lower and yet the differences are not great. The biological efficiency from cotton waste compost is lower than that from straw compost, however, the former has the advantage of giving rather even yield over successive flushes. This mushroom has a high potential to be produced economically on a large scale in Hong Kong.
189 citations