Heat Treatment of Reishi Medicinal Mushroom (Ganoderma lingzhi) Basidiocarp Enhanced Its β-glucan Solubility, Antioxidant Capacity and Lactogenic Properties

Kiss, Attila; Grünvald, Petra; Ladányi, Márta; Papp, Viktor; Papp, I.; Némedi, Erzsébet; Mirmazloum, Iman

doi:10.3390/foods10092015

Cited by 14 publications

(11 citation statements)

References 45 publications

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“…Mushrooms are important cornerstones in the search for natural antioxidants by scientists. In this context, studies on the antioxidant properties of mushrooms have gained in importance in recent years [ 24 , 25 ]. In the current study, the antioxidant properties of six Ganoderma species were determined by various chemical assays, and the results are shown in Table 2 .…”

Section: Resultsmentioning

confidence: 99%

Bioactivity and Mycochemical Profile of Extracts from Mycelial Cultures of Ganoderma spp.

et al. 2022

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Fungal mycelium cultures are an alternative to natural sources in order to obtain valuable research materials. They also enable constant control and adaptation of the process, thereby leading to increased biomass growth and accumulation of bioactive metabolites. The present study aims to assess the biosynthetic potential of mycelial cultures of six Ganoderma species: G. adspersum, G. applanatum, G. carnosum, G. lucidum, G. pfeifferi, and G. resinaceum. The presence of phenolic acids, amino acids, indole compounds, sterols, and kojic acid in biomass extracts was determined by HPLC. The antioxidant and cytotoxic activities of the extracts and their effects on the inhibition of selected enzymes (tyrosinase and acetylcholinesterase) were also evaluated. The total content of phenolic acids in the extracts ranged from 5.8 (G. carnosum) to 114.07 mg/100 g dry weight (d.w.) (G. pfeifferi). The total content of indole compounds in the extracts ranged from 3.03 (G. carnosum) to 11.56 mg/100 g d.w. (G. lucidum) and that of ergosterol ranged from 28.15 (G. applanatum) to 74.78 mg/100 g d.w. (G. adspersum). Kojic acid was found in the extracts of G. applanatum and G. lucidum. The tested extracts showed significant antioxidant activity. The results suggest that the analyzed mycelial cultures are promising candidates for the development of new dietary supplements or pharmaceutical preparations.

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Section: Resultsmentioning

confidence: 99%

Bioactivity and Mycochemical Profile of Extracts from Mycelial Cultures of Ganoderma spp.

et al. 2022

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“…As a result of the studies, it was observed that the antioxidant values increased due to the increase in concentration in general. Heat treatment may influence polyphenols, which are sensitive to high temperatures, resulting in a reduction in their content and antioxidant capacity (Kiss et al, 2021).…”

Section: Resultsmentioning

confidence: 99%

Application of artificial neural network coupling multiobjective particle swarm optimization algorithm to optimizePleurotus ostreatusextraction parameters

Gürgen

Sevindik

2022

Food Processing Preservation

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In this research, extraction parameters were optimized for the maximization of the antioxidants of mushrooms. Firstly, the total antioxidant status (TAS) and total oxidant status (TOS) of mushrooms under different extraction parameters were determined. Then, artificial neural network (ANN) and multiobjective particle swarm optimization (MOPSO) were applied for modeling and optimization of the extraction process, respectively. The three variables affecting this process were extraction temperature (40 to 70°C), extraction time (4 to 10 h), and extraction concentration (0.25 to 2 mg/ml). The developed ANN‐based model could predict with a correlation coefficient of 0.986 and 0.991 for TAS and TOS values, respectively. The optimum extraction parameters were extraction temperature of 40.721°C, extraction time of 6.267 h, and extraction concentration of 2 mg/ml. These results indicated that the ANN‐MOPSO hybrid model provides an accurate prediction and optimization method for TAS and TOS values of Pleurotus ostreatus extracts. Novelty impact statement This research has three stages: experimental study, modeling, and optimization. Artificial neural network (ANN) was used for modeling stage and multiobjective particle swarm optimization algorithm (MOPSO) was used for the optimization process. It is the first time two methodologies have been combined for Pleurotus ostreatus extraction optimization. ANN‐MOPSO hybrid model can be used to optimize mushroom extraction to save time, labor, and money.

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“…1B). The partial degradation and conformation changes of β-glucan have been reported after heat treatment (26), hence these differences in SWEG and HWEG appear to have occurred due to the thermal energy of the extraction temperature.…”

Section: Comparison Of Chemical Properties Between Sweg and Hwegmentioning

confidence: 94%

Immunostimulatory effects of a subcritical water extract of Ganoderma

Hattori¹,

Ogata²,

Yamada³

et al. 2022

Biomed Rep

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Ganoderma, a medicinal mushroom with various physiological activities, has been extensively investigated regarding its effectiveness. The aim of the present study was to examine the effects of a subcritical water extract of Ganoderma (SWEG) on the immune system. The use of subcritical water with a higher temperature and pressure than hot water allows efficient elution of components from natural products. As an evaluation of the effectiveness of SWEG, a cell proliferation and a cell differentiation test were carried out using A-6 cells, a model of hematopoietic stem cells. Furthermore, an oral administration test in mice was conducted to examine the effects of SWEG on the number and function of immune cells. As a result, SWEG was revealed to promote both self-renewal and differentiation into immune cells such as T cells and natural killer (NK) cells in experiments with A-6 cells. These results were not obtained in experiments using hot water extract of Ganoderma lucidum and Ganoderma sinense. The oral administration test in mice demonstrated that SWEG increased hematopoietic precursor cells, immature B cells, and NK cells in the bone marrow, and T cells in the thymus. In addition, SWEG enhanced the immune functions in the spleen by promoting granzyme B expression and NK cell activity. SWEG was demonstrated to be a food material that acts on HSCs and regulates immunity in vivo.

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Heat Treatment of Reishi Medicinal Mushroom (Ganoderma lingzhi) Basidiocarp Enhanced Its β-glucan Solubility, Antioxidant Capacity and Lactogenic Properties

Cited by 14 publications

References 45 publications

Bioactivity and Mycochemical Profile of Extracts from Mycelial Cultures of Ganoderma spp.

Bioactivity and Mycochemical Profile of Extracts from Mycelial Cultures of Ganoderma spp.

Application of artificial neural network coupling multiobjective particle swarm optimization algorithm to optimizePleurotus ostreatusextraction parameters

Immunostimulatory effects of a subcritical water extract of Ganoderma

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