Quality evaluation of solar and microwave dried shrimps – A comparative study on renewable and dielectric heating methods
Quality evaluation of solar and microwave dried shrimps – A comparative study on renewable and dielectric heating methods
No Thumbnail Available
Date
2022-11-01
Authors
P.V. Alfiya
G.K. Rajesh
S. Murali
D.S. Aniesrani Delfiya
Manoj P. Samuel
M.V. Prince
Journal Title
Journal ISSN
Volume Title
Publisher
Elsevier
Abstract
The study investigated the quality of shrimp dried under solar and microwave drying conditions. Microwave
drying shortened the drying times to 58.3 % as compared to solar drying with increased drying rates. Effective
moisture diffusivities of solar and microwave dried shrimp were 2.3 × 10 -10 m2
/s and 6.7 × 10-7 m2/s respectively. Drying and collector efficiency was in the range of 26.3 – 33.4 % and 32.5 – 41.2 % respectively for
solar drying whereas the efficiency under microwave drying was 35.7 %. Textural attributes of solar-dried
shrimp were superior to microwave-dried samples. The rehydration ratio and shrinkage of solar and microwave dried samples were 2.39 and 24.67 % and 2.51 and 14.14 % respectively. Biochemical and microbiological
analyses of dried shrimp under both drying methods were found to be within safe limits. Economic analysis of
solar and microwave dried shrimp showed that solar drying is more economically viable than microwave drying
for the production of dried shrimp.
Description
Keywords
Citation
10.1016/j.solener.2022.09.048