Effects of pretreatments on drying of Turkey berry (Solanum torvum) in fluidized bed dryer

The influence of pretreatment methods like physical, chemical, combined physical, and hybrid treatments on the Turkey berry (Solanum torvum) fruits to enhance the water diffusion during drying was assessed due to removing a waxy layer on the peel. Pretreated and untreated samples were dried at 70 ⁰C...

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Main Authors: Barathiraja R., Thirumal P., Saraswathy G., Rahamathullah I.
Format: Article
Language:English
Published: Association of the Chemical Engineers of Serbia 2022-01-01
Series:Chemical Industry and Chemical Engineering Quarterly
Subjects:
Online Access:http://www.doiserbia.nb.rs/img/doi/1451-9372/2022/1451-93722100028B.pdf
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author Barathiraja R.
Thirumal P.
Saraswathy G.
Rahamathullah I.
author_facet Barathiraja R.
Thirumal P.
Saraswathy G.
Rahamathullah I.
author_sort Barathiraja R.
collection DOAJ
description The influence of pretreatment methods like physical, chemical, combined physical, and hybrid treatments on the Turkey berry (Solanum torvum) fruits to enhance the water diffusion during drying was assessed due to removing a waxy layer on the peel. Pretreated and untreated samples were dried at 70 ⁰C and 4 m/s of air flow in a fluidized bed dryer. Fruits pretreated with combined abrasion and blanching have the lowest drying time and good vitamin C content retention of 36%. The highest drying rate of 0.396 kg water/kgdb min−1, maximum effective moisture diffusivity of 6.002 x 10-10 m2/s, and volumetric shrinkage ratio of 0.68 were obtained for fruits that undergone combined physical pretreatment along with drying. The maximum change in color ΔE = 14.75 and Chroma ΔC = - 10.53 were obtained for the untreated samples.
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spelling doaj.art-e834795c897242849fcc9d3daf4293d52022-12-22T03:40:41ZengAssociation of the Chemical Engineers of SerbiaChemical Industry and Chemical Engineering Quarterly1451-93722217-74342022-01-0128316917810.2298/CICEQ201120028B1451-93722100028BEffects of pretreatments on drying of Turkey berry (Solanum torvum) in fluidized bed dryerBarathiraja R.0Thirumal P.1Saraswathy G.2Rahamathullah I.3Department of Mechanical Engineering, Government College of Engineering, Bargur, IndiaDepartment of Mechanical Engineering, Government College of Engineering, Bargur, IndiaDepartment of Chemistry, Government College of Engineering, Bargur, IndiaDepartment of Mechanical Engineering, Government College of Engineering, Srirangam, Trichirapalli, IndiaThe influence of pretreatment methods like physical, chemical, combined physical, and hybrid treatments on the Turkey berry (Solanum torvum) fruits to enhance the water diffusion during drying was assessed due to removing a waxy layer on the peel. Pretreated and untreated samples were dried at 70 ⁰C and 4 m/s of air flow in a fluidized bed dryer. Fruits pretreated with combined abrasion and blanching have the lowest drying time and good vitamin C content retention of 36%. The highest drying rate of 0.396 kg water/kgdb min−1, maximum effective moisture diffusivity of 6.002 x 10-10 m2/s, and volumetric shrinkage ratio of 0.68 were obtained for fruits that undergone combined physical pretreatment along with drying. The maximum change in color ΔE = 14.75 and Chroma ΔC = - 10.53 were obtained for the untreated samples.http://www.doiserbia.nb.rs/img/doi/1451-9372/2022/1451-93722100028B.pdfcoloreffective moisture diffusivitypretreatmentshrinkageturkey berryvitamin c
spellingShingle Barathiraja R.
Thirumal P.
Saraswathy G.
Rahamathullah I.
Effects of pretreatments on drying of Turkey berry (Solanum torvum) in fluidized bed dryer
Chemical Industry and Chemical Engineering Quarterly
color
effective moisture diffusivity
pretreatment
shrinkage
turkey berry
vitamin c
title Effects of pretreatments on drying of Turkey berry (Solanum torvum) in fluidized bed dryer
title_full Effects of pretreatments on drying of Turkey berry (Solanum torvum) in fluidized bed dryer
title_fullStr Effects of pretreatments on drying of Turkey berry (Solanum torvum) in fluidized bed dryer
title_full_unstemmed Effects of pretreatments on drying of Turkey berry (Solanum torvum) in fluidized bed dryer
title_short Effects of pretreatments on drying of Turkey berry (Solanum torvum) in fluidized bed dryer
title_sort effects of pretreatments on drying of turkey berry solanum torvum in fluidized bed dryer
topic color
effective moisture diffusivity
pretreatment
shrinkage
turkey berry
vitamin c
url http://www.doiserbia.nb.rs/img/doi/1451-9372/2022/1451-93722100028B.pdf
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AT saraswathyg effectsofpretreatmentsondryingofturkeyberrysolanumtorvuminfluidizedbeddryer
AT rahamathullahi effectsofpretreatmentsondryingofturkeyberrysolanumtorvuminfluidizedbeddryer