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Molecules 2018, 23(7), 1706; https://doi.org/10.3390/molecules23071706

Ultrasound-Assisted Extraction of Polysaccharides from Volvariella volvacea: Process Optimization and Structural Characterization

1
School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
2
National Engineering Research Center of Edible Fungi, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China
3
Parchn Sodium Isovitamin C Co. Ltd., Dexing 334221, China
*
Authors to whom correspondence should be addressed.
Received: 5 June 2018 / Revised: 27 June 2018 / Accepted: 7 July 2018 / Published: 13 July 2018
(This article belongs to the Section Natural Products Chemistry)
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Abstract

The aims of the present study were to optimize the operational parameters to maximize the yield of ultrasound-assisted polysaccharide extraction from Volvariella volvacea (straw mushroom) fruiting bodies by using for the first time one-factor-at-a-time and three-level Box-Behnken factorial designs. A maximum polysaccharide yield of 8.28 ± 0.23% was obtained under the optimized conditions of ultrasound power of 175 W, extraction temperature of 57 °C, extraction time of 33 min, and the ratio of liquid to raw material of 25:1, respectively. Compared to the hot-water extraction, the ultrasound-assistance favored the extraction of polysaccharides from V. volvacea for its higher polysaccharide yield and efficiency. Further preliminary polysaccharide structural characterization indicated that ultrasound treatment affected the monosaccharide compositions and ratios, and molecular weight range of polysaccharides extracted from V. volvacea. View Full-Text
Keywords: Volvariella volvacea; polysaccharide; ultrasound-assisted extraction; optimization; response surface methodology; structural characterization Volvariella volvacea; polysaccharide; ultrasound-assisted extraction; optimization; response surface methodology; structural characterization
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Cui, F.-J.; Qian, L.-S.; Sun, W.-J.; Zhang, J.-S.; Yang, Y.; Li, N.; Zhuang, H.-N.; Wu, D. Ultrasound-Assisted Extraction of Polysaccharides from Volvariella volvacea: Process Optimization and Structural Characterization. Molecules 2018, 23, 1706.

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