NDLI: Equilibrium Moisture Content and Thin Layer Drying Model of Shiitake Mushrooms Using a Vacuum Heat-pump Dryer

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Equilibrium Moisture Content and Thin Layer Drying Model of Shiitake Mushrooms Using a Vacuum Heat-pump Dryer

Content Provider	Semantic Scholar
Author	Supakarn, Sirithon Theerakulpisut, Somnuk Artnaseaw, Apichart
Copyright Year	2018
Abstract	The objective of this research was to experimentally determine the equilibrium moisture content of Shiitake mushrooms under vacuum conditions by using a vacuum heat-pump dryer. The mushrooms were dried at a pressure of 0.2 bar and temperatures of 50, 55, and 60°C. A saturated salt solution was used to control the relative humidity within 10-75%. This study found that vacuum drying tended to increase the equilibrium moisture content of the mushrooms and the relative humidity as the drying temperature decreased. Of the correlations proposed by Oswin, Guggenheim-Anderson-de Boer (GAB), Peleg, modified Oswin, and modified GAB, the functional form of Peleg was the best fit (R2 of 0.99). The moisture content of the mushrooms, as measured during drying, were used with the equilibrium moisture content values obtained from the proposed equations to determine the moisture ratios of the mushrooms at different drying times. Among nine well-known correlations, the functional form of the thin layer model proposed by Midilli best predicted the drying of Shiitake mushrooms under vacuum.
File Format	PDF HTM / HTML
DOI	10.12982/cmujns.2018.0001
Alternate Webpage(s)	http://cmuj.cmu.ac.th/ns/full/2020180129141927.pdf
Alternate Webpage(s)	https://doi.org/10.12982/cmujns.2018.0001
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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