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Ultrasound assisted extraction of polysaccharides from mushroom by-products

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Issue date
2017
Author
Aguiló-Aguayo, Ingrid
Walton, Jennie
Viñas Almenar, Inmaculada
Tiwari, Brijesh K.
Suggested citation
Aguiló-Aguayo, Ingrid; Walton, Jennie; Viñas Almenar, Inmaculada; Tiwari, Brijesh K.; . (2017) . Ultrasound assisted extraction of polysaccharides from mushroom by-products. Lwt-Food Science And Technology, 2017, vol. 77, p. 92-99. https://doi.org/10.1016/j.lwt.2016.11.043.
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Abstract
The effect of ultrasound technology to extract the water soluble polysaccharides from dried and milled by-products generated from Agaricus Bisporus production was studied. Amounts of β-glucan 1.01 and 0.98 g/100 g dry mass were obtained in particle sizes of 355-250 μm and 150-125 μm from the mushroom by-products. Three parameters of extraction were studied; extraction time (0-15 min), ultrasonic amplitude (20-100 μm) and precipitation time (1 or 18 h). The application of ultrasounds enhanced the extraction polysaccharide yields compared to the untreated samples. The highest extraction yield of 4.7% was achieved with an extraction time of 15 min, maximum amplitude of 100 μm with 1 h of precipitation in 80% ethanol. The coefficient of determinations for predicted water soluble polysaccharides extraction yields showed good correlation with the experimental data at the 95% confidence level and indicated that the non-exponential Peleg's model could be employed to predict the extraction polysaccharide yields after ultrasound treatment.
URI
http://hdl.handle.net/10459.1/59644
DOI
https://doi.org/10.1016/j.lwt.2016.11.043
Is part of
Lwt-Food Science And Technology, 2017, vol. 77, p. 92-99
European research projects
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  • Articles publicats (Agrotecnio Center) [982]
  • Articles publicats (Grup de Recerca en Postcollita) [57]
  • Articles publicats (Tecnologia dels Aliments) [502]

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