Production of fungal biomass protein using microfungi from winery wastewater treatment

Zhang, Zhanying; Jin, Bo; Bai, Zhihui; Wang, Xiao Yi

doi:10.1016/j.biortech.2006.10.047

Cited by 47 publications

(40 citation statements)

References 14 publications

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“…Limited studies have been conducted, with winery wastewater being used as substrate for Gluconacetobacter xylinus for the production of cellulose at a 6.26 g L -1 [110,111]. Other studies involve the use of fungi, Trichoderma viride, Aspergillus niger and Aspergillus oryzae for the production of SCP at a 5 g L -1 and a simultaneous reduction of COD to 90 % [112].…”

Section: Utilisation Of Grape Winery Wastewater As Substratementioning

confidence: 99%

Grape Winery Waste as Feedstock for Bioconversions: Applying the Biorefinery Concept

Zacharof

2016

Waste Biomass Valor

137

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Grape wine is among the most important alcoholic beverages in the globe, with a continuously rising world demand, currently sizing at 25 billion litres. Such a large and heavily industrialised market calls for the maintenance of a steady production of raw materials to end products. Consequently, intensive cultivation of land, harvesting of the goods and manufacturing for the production of commercially available products are being implemented. Wine making is a timed, multistage process producing a large amount of organic and inorganic waste. It has been calculated that during cultivation and harvesting about 5 tonnes of solid waste are generated per hectare per year, while the winery wastewater varies according to the production size from 650,000 m 3 (Greece) to over 18,000,000 m 3 (Spain) per year. Conventional treatments of winery waste are becoming increasingly expensive, demanding significant amounts of effort, resources and energy for safe waste discharge. Therefore, the need to recycle, reuse and recover energy and valuable chemicals from winery waste and wastewater becomes apparent. Valorisation of winery waste is possible when introducing the concept of biorefinery, i.e. the use of winery waste as bioconversions feedstock in order to produce platform chemicals, biofuels, heat and energy.

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Section: Utilisation Of Grape Winery Wastewater As Substratementioning

confidence: 99%

Grape Winery Waste as Feedstock for Bioconversions: Applying the Biorefinery Concept

Zacharof

2016

Waste Biomass Valor

137

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“…are starch consumers, while Trichoderma sp. are cellulase and hemicellulase producers (Zhang et al, 2008;Hu et al, 2011;Jin et al, 1999bJin et al, , 2001Jin et al, , 2002. These fungal species, therefore, might be suitable candidates for protein enrichment of grape marc via a SSF process (Ghorai et al, 2009;Gummadi and Panda, 2003;Petre et al, 1999).…”

Section: Fungus Species and Strainsmentioning

confidence: 99%

“…Fungi can produce a wide range of chemicals and enzymes, and are more effective than bacteria in metabolizing complex carbohydrates such as starch and molasses (Hu et al, 2011;Jin et al, 1999aJin et al, , 2002. The fungal biomass can be used as a source of animal feed (Jin et al, 2000(Jin et al, , 2001Zhang et al, 2008). Fungi are able to penetrate solid substrates for producing fungal biomass with high yields.…”

Section: Introductionmentioning

confidence: 99%

A biotech-systematic approach to select fungi for bioconversion of winery biomass wastes to nutrient-rich feed

Jin

Zepf

Zhang

et al. 2016

Process Safety and Environmental Protection

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Digestibility Fungi Protein enrichmentWinery biomass waste Solid state fermentation a b s t r a c t Grape marc and lees are main waste biomass in wine industry, which contain substantial amount of carbohydrates and nutrients, but currently deliver considerable carbon emission through landfill in Australia. This study was aimed to develop a biotechnological systematic approach to select suitable fungi for bioconversion of the winery biomass wastes into animal feed. The biotech-systematic approach was developed through assessment of nutrient/carbon source accessibility of the fungi, understanding of their metabolic reactions in solid state fermentation, and nutritive value of the fungi-fermented grape marc. From 13Aspergillus, Rhizopus, and Trichoderma fungal species, A. oryzae DAR 3699, A. oryzae RIB40 and T. reesei RUT C30 were determined as the best fungi due to their promising biochemical capabilities to enhance protein contents and in vitro digestibility of grape marc in mono-and co-cultivations. The mono-fungous-cultured SSF process used these selected fungi is able to convert grape marc to nutrient-rich feed by increasing the protein contents from ∼5% to 26% and the digestibility from ∼25% to over 50%. R. oligosporus 2710 with R. oryzae 6201 or T.viride 15719 showed promising protein enrichment to 18-23% and digestibility improvement by ∼50% in their co-cultivations. This preliminary bioengineering strategy will be useful for selecting microorganisms for the bioconversion of organic wastes to high valuable products.This "green cycle" bioprocess will be useful to promote the old-fashioned waste treatment technologies for the cleaner production in food processing industries.

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“…Besides fungi, earthworms have also been utilized as a biodegrader of POME (Su Lin Lim et al 2014). Furthermore, their potential in recovering fungal biomass protein had been discovered in several works as well (Jin et al 1998, Zhang et al 2008b. Although the application of fi lamentous fungi for wastewater treatment has been extensively studied, there are only a few published articles on POME bioremediation.…”

Section: Introductionmentioning

confidence: 99%

Optimization of fresh palm oil mill effluent biodegradation with Aspergillus niger and Trichoderma virens

Jalaludin

Rahman

Razali

et al. 2016

Archives of Environmental Protection

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Abstract:In this work, response surface optimization strategy was employed to enhance the biodegradation process of fresh palm oil mill effl uent (POME) by Aspergillus niger and Trichoderma virens. A central composite design (CCD) combined with response surface methodology (RSM) were employed to study the effects of three independent variables: inoculum size (%), agitation rate (rpm) and temperature (°C) on the biodegradation processes and production of biosolids enriched with fungal biomass protein. The results achieved using A. niger were compared to those obtained using T. virens. The optimal conditions for the biodegradation processes in terms of total suspended solids (TSS), turbidity, chemical oxygen demand (COD), specifi c resistance to fi ltration (SRF) and production of biosolids enriched with fungal biomass protein in fresh POME treated with A. niger and T. virens have been predicted by multiple response optimization and verifi ed experimentally at 19% (v/v) inoculum size, 100 rpm, 30.2°C and 5% (v/v) inoculum size, 100 rpm, 33.3°C respectively. As disclosed by ANOVA and response surface plots, the effects of inoculum size and agitation rate on fresh POME treatment process by both fungal strains were signifi cant.

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Production of fungal biomass protein using microfungi from winery wastewater treatment

Cited by 47 publications

References 14 publications

Grape Winery Waste as Feedstock for Bioconversions: Applying the Biorefinery Concept

Grape Winery Waste as Feedstock for Bioconversions: Applying the Biorefinery Concept

A biotech-systematic approach to select fungi for bioconversion of winery biomass wastes to nutrient-rich feed

Optimization of fresh palm oil mill effluent biodegradation with Aspergillus niger and Trichoderma virens

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