Optimization of dynamic microwave-assisted extraction of Armillaria polysaccharides using RSM, and their biological activity

Chen, Chen; Shao, Yuchuan; Tao, Yanduo; Wen, Huaixiu

doi:10.1016/j.lwt.2015.07.009

Cited by 68 publications

(36 citation statements)

References 27 publications

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“…L. edodes yields were in the range of the previously observed values (15.4%) as also noticed for the other species i.e. Armillaria luteovirens (8.40 -8.34%) (Chen et al, 2015), G. lucidum (11.2%) (Smiderle et al, 2017), Fomitopsis ulmaria (8.36%) (Zhao, Tang, Liu, & Zhang, 2014) etc. Other mushrooms such as Morchella conica showed PEF yields (16.5%) slightly higher than other MAE obtained extracts previously reported (5.86%) (Xu et al, 2018) and Pleurotus pulmonarius showed lower values than other related species such as P. ostreatus (32.4%) (Smiderle et al, 2017).…”

Section: Microwave-assisted Extractions From Other Edible Mushroomssupporting

confidence: 82%

“…The high pressure generated during the extraction process maintains water in its liquid state at temperatures higher than its boiling point, accelerating mass transfer of compounds (Li, Dobruchowska, Gerwig, Dijkhuizen, & Kamerling, 2013;Ruthes et al, 2015). Several studies used MAE to extract total polysaccharides from mushrooms (Chen, Shao, Tao, & Wen, 2015;Wang & Li, 2010) however, only a few studied the β-D-glucans content of the obtained extracts (Ruthes et al, 2015;Zheng, Zhang, Gao, Jia, & Chen, 2012).…”

Section: Introductionmentioning

confidence: 99%

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Strengths and weaknesses of the aniline-blue method used to test mushroom (1→3)-β-d-glucans obtained by microwave-assisted extractions

Gil-Ramírez

Smiderle

Morales

et al. 2019

Carbohydrate Polymers

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The parameters to extract polysaccharide-enriched fractions (PEF) from mushrooms using MAE (microwave-assisted extraction) were adjusted following a full factorial 3 2 experimental design. The highest yield and total carbohydrate values, using Lentinula edodes as model mushroom, were obtained at 180 ºC and 30 min. Several mushroom species were submitted to MAE and their PEF yields ranged between 12.1-44.2%. (1→3)-β-Glucans determination using a conventional fluorimetric method changed depending on the standard utilized. NMR analyses of PEF indicated that the presence of other polysaccharides in the extracts or their specific folding, might impair the proper determination of (1→3) linkages by the fluorophore. Mushrooms from Cantharellales order contained (1→3)-β-glucans but they were not detected with the fluorimetric method. Therefore, although the method (after adjustments) was sensitive enough to detect their presence in many mushroom extracts, it cannot be used for all species and it is also not recommended for quantitative determinations. Powdered Lentinula edodes S. (Berkeley) fruiting bodies with a particle size lower than 0.5 mm and a moisture content less than 5% were purchased from Glucanfeed S.L.

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Section: Microwave-assisted Extractions From Other Edible Mushroomssupporting

confidence: 82%

Section: Introductionmentioning

confidence: 99%

Strengths and weaknesses of the aniline-blue method used to test mushroom (1→3)-β-d-glucans obtained by microwave-assisted extractions

Gil-Ramírez

Smiderle

Morales

et al. 2019

Carbohydrate Polymers

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“…27 The ANOVA revealed that only the term C 2 showed no significance. Therefore, this term was removed prior to selecting an appropriate statistical model.…”

Section: Gain Of Conversion = (Catalyzed Conversion) − (Thermal Convementioning

confidence: 93%

Isopropyl Octanoate Synthesis Catalyzed by Layered Zinc n-Octanoate

Maruyama¹,

Kanda²

2016

J. Braz. Chem. Soc.

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Isopropyl octanoate is an ester used in the formulation of cosmetics, foods, medicines, and other products. The peculiar thermodynamic and kinetic factors, allied with the demand for the applications mentioned above, justify the development of an optimized process for its synthesis. In the present article, the esterification of octanoic acid with isopropanol while using zinc n-octanoate as catalyst is reported. A factorial design was employed where variables such as molar ratio (alcohol:acid), percentage of catalyst (in relation to the acid mass) and temperature were investigated. It was observed that zinc octanoate showed promising catalytic activity, especially at 165 °C, with molar ratios of 8:1 and 6:1, and with 7 and 10% of catalyst, where conversions up to 75% were observed. Optimized conditions for the production of isopropyl octanoate were determined to be 165 °C, 6:1 molar ratio and 5.97% of catalyst.

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“…In general, RSM consists of a group of mathematical and statistical techniques that match empirical models to experimental data [8]. The RSM is a useful tool for analyzing the relationships between measured responses and factors (independent variables) [9].…”

Section: Response Surface Methodologymentioning

confidence: 99%

Investigation of the optimal treatment condition for flax rove in supercritical CO2

Zhang

Jing

et al. 2018

THERM SCI

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Three treatment parameters of supercritical CO 2 have been optimized by a response surface method using central composite design to obtain isolate yield of flax rove. Influence of operating parameters including dosage of cellulase, temperature, and pressure on final response is evaluated. The results show that the experimental values are adequately fitted to a quadratic polynomial equation. The optimal isolate yield is obtained with 2% cellulase dosage under temperature of 50 °C and pressure of 20 MPa. Mathematical model is also applied to describe the kinetic behavior of the treatment process, revealing that supercritical CO 2 is a promising green solvent for the scouring and bleaching of flax rove.

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Optimization of dynamic microwave-assisted extraction of Armillaria polysaccharides using RSM, and their biological activity

Cited by 68 publications

References 27 publications

Strengths and weaknesses of the aniline-blue method used to test mushroom (1→3)-β-d-glucans obtained by microwave-assisted extractions

Strengths and weaknesses of the aniline-blue method used to test mushroom (1→3)-β-d-glucans obtained by microwave-assisted extractions

Isopropyl Octanoate Synthesis Catalyzed by Layered Zinc n-Octanoate

Investigation of the optimal treatment condition for flax rove in supercritical CO2

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