Dataset Information

Biochemical Approaches on Commercial Strains of Agaricus subrufescens Growing under Two Environmental Cultivation Conditions.

ABSTRACT: In the present work, the effect of the cultivation process, in the field and under a controlled environment, on biochemical parameters by using commercial strains of A. subrufescens were evaluated. The results obtained revealed that the strains cultivated in the field presented higher levels for most of the parameters evaluated (organic acids (20.5-48.0 g/100 g dw), tocopherols (107.0-198.6 µg/100 g dw), and phenolic acids and related compounds (245.2-359.0 µg/100 g dw and 10.6-23.7 µg/100 g dw, respectively)), except for the carbohydrates (53.4-72.6 g/100 g dw), energetic value (373-380 Kcal/100 g dw), and total free sugars (28.8-43.1 g/100 g dw), parameters in which the strains grown in a controlled environment present better results. For both cultivation systems, similar results were obtained regarding saturated, monounsaturated, and polyunsaturated fatty acids, as well as antioxidant and antimicrobial activities. These data contribute to the knowledge and highlight the characterized strains and the cultivation process, which can be used to obtain ingredients with potential applicability as a source of functional compounds.

SUBMITTER: Almeida D

PROVIDER: S-EPMC9224743 | biostudies-literature | 2022 Jun

REPOSITORIES: biostudies-literature

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Biochemical Approaches on Commercial Strains of <i>Agaricus subrufescens</i> Growing under Two Environmental Cultivation Conditions.

Almeida Daiana D Cardoso Rossana V C RVC Pereira Carla C Alves Maria José MJ Ferreira Isabel C F R ICFR Zied Diego Cunha DC Junior Wagner G Vieira WGV Caitano Cinthia E C CEC Fernandes Ângela Â Barros Lillian L

Journal of fungi (Basel, Switzerland) 20220609 6

In the present work, the effect of the cultivation process, in the field and under a controlled environment, on biochemical parameters by using commercial strains of <i>A. subrufescens</i> were evaluated. The results obtained revealed that the strains cultivated in the field presented higher levels for most of the parameters evaluated (organic acids (20.5-48.0 g/100 g dw), tocopherols (107.0-198.6 µg/100 g dw), and phenolic acids and related compounds (245.2-359.0 µg/100 g dw and 10.6-23.7 µg/10 ...[more]

PMID: 35736099

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Project description:Microorganisms strongly influence and are required to generate the selective substrate that provides nutrients and support for fungal growth, and ultimately to induce mushroom fructification under controlled environmental conditions. In this work, the fungal and bacterial microbiota living in the different substrates employed in a commercial crop (compost phase I, II and III, flush 1 and 2, and casing material on day 1, 6 and 8 after compost casing and during flush 1 and 2) have been characterized along the different stages of cultivation by metataxonomic analysis (16S rRNA and ITS2), analysis of phospholipid fatty acid content (PLFAs) and RT-qPCR. Additionally, laccase activity and the content of lignin and complex carbohydrates in compost and casing have been quantified. The bacterial diversity in compost and casing increased throughout the crop cycle boosted by the connection of both substrates. As reflected by the PLFAs, the total living bacterial biomass appears to be negatively correlated with the mycelium of the crop. Agaricus bisporus was the dominant fungal species in colonized substrates, displacing the pre-eminent Ascomycota, accompanied by a sustained increase in laccase activity, which is considered to be a major product of protein synthesis during the mycelial growth of champignon. From phase II onwards, the metabolic machinery of the fungal crop degrades lignin and carbohydrates in compost, while these components are hardly degraded in casing, which reflects the minor role of the casing for nourishing the crop. The techniques employed in this study provide a holistic and detailed characterization of the changing microbial composition in commercial champignon substrates. The knowledge generated will contribute to improve compost formulations (selection of base materials) and accelerate compost production, for instance, through biotechnological interventions in the form of tailored biostimulants and to design environmentally sustainable bio-based casing materials.

Dataset Information

Biochemical Approaches on Commercial Strains of Agaricus subrufescens Growing under Two Environmental Cultivation Conditions.

Publications

Biochemical Approaches on Commercial Strains of <i>Agaricus subrufescens</i> Growing under Two Environmental Cultivation Conditions.

Similar Datasets

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