CSBE-SCGAB

Effect of microwave vacuum drying on drying kinetics and physical properties of germinated lentils

Authors: Nongmaithem, R., V. Meda, L. G. Tabil
Description: The aim of this study was to investigate the effect of microwave-vacuum drying of germinated lentils on drying kinetics and effective moisture diffusivity. Also to investigate the physical changes viz, texture and bulk density, particle density and porosity of the germinated dried lentils at different moisture content. The germinated lentils were dried using microwave-vacuum technique, using 20%, 50% and 80% of 2000W microwave power at 1.75 kPa vacuum pressure. Modified page model II showed highest R2 and lowest RMSE values. The drying rate constant and effective moisture diffusivity increases with increase in microwave power level. There were significant difference in physical properties between the germinated dried lentils and raw seeds. Bulk density, particle density and breaking force decreases with increase in moisture content while porosity increases with moisture content for germinated dried lentils.
Keywords: drying, germination, lentils
Technical field: Bioprocess Systems Engineering
Conference name: CSBE/SCGAB 2015 Annual Conference, Edmonton, AB, 5-8 July 2015.
Session name: Bioprocessing I - Extraction and Drying Processes
Citation: Nongmaithem, R., V. Meda, L. G. Tabil. 2015. Effect of microwave vacuum drying on drying kinetics and physical properties of germinated lentils. CSBE/SCGAB 2015 Annual Conference, Edmonton, AB, 5-8 July 2015.
Publisher: Canadian Society for Bioengineering
Date: 2015-07-05
Publication type:
  • Technical conference
Type: Text.Article
Identifier: CSBE15078
Coverage: Canada
Language 1: en
Rights: Canadian Society for Bioengineering

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