Effects of different drying methods on the product quality and volatile compounds of whole shiitake mushrooms

•Whole shiitake mushrooms were dried by microwave vacuum drying (MVD) and other traditional methods.•Relative content of sulfur compounds was significantly increased by drying process.•MVD produced better nutrient retention, high rehydration ratio and color attributes.•MVD helped to maintain larger...

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Veröffentlicht in:Food chemistry 2016-04, Vol.197 (Pt A), p.714-722
Hauptverfasser: Tian, Yuting, Zhao, Yingting, Huang, Jijun, Zeng, Hongliang, Zheng, Baodong
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container_end_page 722
container_issue Pt A
container_start_page 714
container_title Food chemistry
container_volume 197
creator Tian, Yuting
Zhao, Yingting
Huang, Jijun
Zeng, Hongliang
Zheng, Baodong
description •Whole shiitake mushrooms were dried by microwave vacuum drying (MVD) and other traditional methods.•Relative content of sulfur compounds was significantly increased by drying process.•MVD produced better nutrient retention, high rehydration ratio and color attributes.•MVD helped to maintain larger amounts of taste-active amino acids. Various drying methods play important roles in the preservation of foods. However, how the different drying methods affect the quality of some foods is not clear. This paper evaluates the effects of hot air, vacuum, microwave, and microwave vacuum drying techniques on important qualities and volatile compounds of whole shiitake (Lentinus edodes) mushrooms. These four drying methods resulted in a significantly (p
doi_str_mv 10.1016/j.foodchem.2015.11.029
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Various drying methods play important roles in the preservation of foods. However, how the different drying methods affect the quality of some foods is not clear. This paper evaluates the effects of hot air, vacuum, microwave, and microwave vacuum drying techniques on important qualities and volatile compounds of whole shiitake (Lentinus edodes) mushrooms. These four drying methods resulted in a significantly (p&lt;0.05) increase in the content of total free amino acids and the relative content of sulfur compounds of dried products. Microwave vacuum drying helped to maintain larger amounts of taste-active amino acids, and improved nutrient retention and color attributes. Furthermore, the uniform honeycomb network created by microwave vacuum drying along with a less collapsed structure of dried samples can be used to explain the observed high rehydration ratio. 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subjects Color
Desiccation - methods
Food Analysis - methods
Food Preservation - methods
Food Quality
Free amino acid
Microwave vacuum drying
Microwaves
Polysaccharides
Shiitake mushrooms
Shiitake Mushrooms - chemistry
Vacuum
Volatile compounds
title Effects of different drying methods on the product quality and volatile compounds of whole shiitake mushrooms
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