Drying of Citrus sinensis Peels in an Inert Fluidized Bed: Kinetics, Microbiological Activity, Vitamin C, and Limonene Determination

Siti Masrinda Tasirin, Ifa Puspasari, Ahmad Zorin Sahalan, Marliyana Mokhtar, Mohamed Kamel Abdul Ghani, Zahira Yaakob

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Citrus sinensis peel drying kinetics in a fluidized bed with inert material were investigated. Drying impact on microbiological activity as well as limonene and vitamin C content was also studied. Drying parameters studied were as follows: temperatures of 40°C, 50°C, and 60°C; air velocities of 0.73 m/s and 0.85 m/s; and orange peel:sand weight ratios of 1:0, 1:1, and 1:2. High temperatures, high air velocity, and the presence of inert material increased the drying rate. Nine thin-layer drying models were fitted to the experimental data of Citrus sinensis peels. The Midilli et al. model was found to be the most suitable model for describing the drying kinetics of Citrus sinensis peels. Vitamin C and limonene content were higher in the product dried using a fluidized bed than in the sun-dried product. Drying of Citrus sinensis peel in a fluidized bed also may reduce microorganism growth, increasing storage life.

Original languageEnglish
Pages (from-to)497-508
Number of pages12
JournalDrying Technology
Volume32
Issue number5
DOIs
Publication statusPublished - 2014

Fingerprint

ascorbic acid
Vitamins
Fluidized beds
drying
Ascorbic Acid
beds
Drying
Kinetics
kinetics
air
microorganisms
products
Air
limonene
Microorganisms
Sun
sands
sun
Sand
Temperature

Keywords

  • Citrus sinensis peel
  • Drying kinetics
  • Fluidized bed dryer
  • Orange peel
  • Vitamin C

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Physical and Theoretical Chemistry

Cite this

Drying of Citrus sinensis Peels in an Inert Fluidized Bed : Kinetics, Microbiological Activity, Vitamin C, and Limonene Determination. / Tasirin, Siti Masrinda; Puspasari, Ifa; Sahalan, Ahmad Zorin; Mokhtar, Marliyana; Abdul Ghani, Mohamed Kamel; Yaakob, Zahira.

In: Drying Technology, Vol. 32, No. 5, 2014, p. 497-508.

Research output: Contribution to journalArticle

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