Effect of fatty acids on the mycelial growth and polysaccharide formation by Ganoderma lucidum in shake flask cultures

Yang, Fan-Chiang; Ke, Yn-Fuu; Kuo, Shanq-Shin

doi:10.1016/s0141-0229(00)00213-1

Cited by 151 publications

(102 citation statements)

References 10 publications

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“…It is known that lactose exerts more favourable impact on cell growth and production of intercellular polysaccharide than glucose. The effect of different carbon sources on the biomass production in G. lucidum was reported by Erkel [25], Avtonomova et al [26] and Yang et al [27]. Baabitskaia et al [28] maintain that polysaccharide production by G. lucidum depends on such conditions as the initial pH of the substrate, C:N ratio and incubation temperature.…”

Section: Resultsmentioning

confidence: 87%

Evaluation of polysaccharides content in fruit bodies and their antimicrobial activity of four Ganoderma lucidum (W Curt.: Fr.) P. Karst. strains cultivated on different wood type substrates

et al. 2012

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Quantitative determination of polysaccharides in Ganoderma lucidum fruit bodies from different sawdust cultivation substrates and their antibacterial activity was done. Thirty six samples were analyzed. Four strains of Ganoderma lucidum (GL01, GL02, GL03 and GL04) were cultivated on the growth substrates of three different sawdust types: birch (Bo), maple (Kl) or alder (Ol) amended with wheat bran in three different concentrations: 10, 20 and 30% (w/w). Even though the richest in polysaccharides was GL01 strain, the highest yields of the polysaccharides were determined in GL04Kl3 sample and was 112.82 mg/g of dry weight. The antibacterial activity of polysaccharides was determined in vitro using micro-dilution broth method. The panel of eight reference bacterial strains was used. All the polysaccharide samples tested showed the broad spectrum and the moderate antibacterial activity. Micrococcus luteus ATCC 10240 strain was the most sensitive with MIC (minimal inhibitory concentration) = 0.63 − 1.25 mg/mL

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Section: Resultsmentioning

confidence: 87%

Evaluation of polysaccharides content in fruit bodies and their antimicrobial activity of four Ganoderma lucidum (W Curt.: Fr.) P. Karst. strains cultivated on different wood type substrates

et al. 2012

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“…Similar results were reported by Rehman et al (40) and Zhang and Zeng (41) for lipase production by Penicillium notatum and Pseudomonas sp. 7323, respectively, while the optimal temperatures for lipase formation by Ganoderma lucidum (42) and Colletotrichum gloeosporioides (43) were observed at 26.5 and 25 °C, respectively.…”

Section: Incubation Periodmentioning

confidence: 99%

Extracellular Alkaline Lipase from a Novel Fungus Curvularia sp. DHE 5: Optimization of Physicochemical Parameters, Partial Purification and Characterization

El-Ghonemy

El-Gamal

Tantawy

et al. 2017

Food Technol. Biotechnol.

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SummaryThirty isolated fungal strains were screened for lipase production using Phenol Red plates, containing tributyrin as lipidic substrate, and a novel fungus identified genetically as Curvularia sp. DHE 5 was found as the most prominent strain. Various agro-industrial substrates were evaluated as inert supports for lipase production in solid-state fermentation. The highest yield of lipase ((83.4±2.2) U/g on dry mass basis) was reported with wheat bran medium after seven days of fermentation at pH=7.0, temperature of 30 °C, 70 % moisture content, inoculum size of 1.27·10 7 spore/mL and 2 % olive oil as an inducer. Supplementation of the medium with 0.05 % KCl as an ion source further increased lipase production to (88.9±1.2) U/g on dry mass basis. The enzyme was partially purified through ammonium sulphate fractionation (40 %) followed by dialysis, and its optimum pH and temperature were reported at 8.0 and 50 °C, respectively, with remarkable pH and thermal stability.

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“…Regarding the culture medium for polysaccharide production from fungi, different reports published in the last decade evidence the importance of the presence of vegetable oils rich in oleic acid as promoters of fungal biomass formation and, consequently, of their constituent polysaccharides (Yang et al 2000;Hsieh et al 2008;Hao et al 2010). When choosing the type of vegetable oil to be used as inductor of polysaccharide production, it is necessary to take into account the fatty acid composition of the oil since several researchers have reported that important amounts of linoleic acid suppress the production of biomass and polysaccharides, while the presence of oleic promotes their production (Park et al 2002;Hsieh et al 2006Hsieh et al , 2008.…”

Section: Submerged Fermentation For Production Of Fungal Polysaccharidesmentioning

confidence: 99%

Polysaccharide Production by Submerged Fermentation

Montoya

Vargas

2015

Polysaccharides

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Effect of fatty acids on the mycelial growth and polysaccharide formation by Ganoderma lucidum in shake flask cultures

Cited by 151 publications

References 10 publications

Evaluation of polysaccharides content in fruit bodies and their antimicrobial activity of four Ganoderma lucidum (W Curt.: Fr.) P. Karst. strains cultivated on different wood type substrates

Evaluation of polysaccharides content in fruit bodies and their antimicrobial activity of four Ganoderma lucidum (W Curt.: Fr.) P. Karst. strains cultivated on different wood type substrates

Extracellular Alkaline Lipase from a Novel Fungus Curvularia sp. DHE 5: Optimization of Physicochemical Parameters, Partial Purification and Characterization

Polysaccharide Production by Submerged Fermentation

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