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Physical, chemical and quality properties of agglomerates and their beverages from fluidised bed drying of calamansi, pineapple and starfruit juice

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Main Author: Lee, Siew Yoong
Format: Article
Language:English
Published: The Institution of Engineers, Malaysia 2011
Subjects:
Agglomerate
Beverage
Chemical properties
Juice
Physical properties
Online Access:http://dspace.unimap.edu.my/xmlui/handle/123456789/13636
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spelling my.unimap-136362011-09-04T02:12:43Z Physical, chemical and quality properties of agglomerates and their beverages from fluidised bed drying of calamansi, pineapple and starfruit juice Lee, Siew Yoong Agglomerate Beverage Chemical properties Juice Physical properties Link to publisher's homepage at http://www.myiem.org.my/ Calamansi, pineapple and starfruit juice can be converted into powder or agglomerate through the process of fluidised bed d rying and agglomeration. One kilogramme of ground sugar was used as a carrier for the fluidised bed drying and agglomeration process. Essential minor additives i.e. anhydrous citric acid, flavour and permitted food colour were used to boost up flavour, sugar-acid balance and eye appeal of the product. Suitable process variables used were 40°C as the pro c e s s t e m p e r a t u re, 20 m /h as the volumetric airflow rate which resulted in an air velocity of 1.5 m/s, an atomisation pre s s u re of 3 bar and a pump flow rate of 8 g/min. Fresh juice was used as a binder for the agglomeration process in the fluidized bed dryer which was sprayed at the beginning of the drying process. Moisture content and juice re c o v e ry of the fruits were determined. The c o l o u r, TTA, pH and viscosity of the juice were obtained and compared to that of the beverage. Organoleptic evaluation based on five sensory attributes of the juice was compared to the beverage. The particle size distribution of the agglomerates was determined by sieving. From the cumulative distribution plot, the median diameter for the carrier and agglomerates were determined. The colour, bulk density, moisture content and nutrient compositions of the agglomerates were analysed. Sorption isotherm of the agglomerates at the beginning of the storage period was analysed by determining the initial moisture content and water activity. Thus, the critical moisture content and the equilibrium relative humidity of the agglomerates were obtained fro m the graph. Microbiological quality remained the same throughout the 12 months of storage. Storage of the agglomerates for a period of 12 months at room temperature using laminated OPP/PE/AL/PP (with thickness 20µ:15µ:7µ:25µ) pouches did not change the physical, chemical and quality pro p e rties of the agglomerate. 2011-09-04T02:12:43Z 2011-09-04T02:12:43Z 2006-12 Article The Journal of the Institution of Engineers, Malaysia, vol. 67(4), 2006, pages 26-33 0126-513X http://myiem.org.my/content/iem_journal_2006-177.aspx http://hdl.handle.net/123456789/13636 en The Institution of Engineers, Malaysia
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Agglomerate
Beverage
Chemical properties
Juice
Physical properties
spellingShingle Agglomerate
Beverage
Chemical properties
Juice
Physical properties
Lee, Siew Yoong
Physical, chemical and quality properties of agglomerates and their beverages from fluidised bed drying of calamansi, pineapple and starfruit juice
description Link to publisher's homepage at http://www.myiem.org.my/
format Article
author Lee, Siew Yoong
author_facet Lee, Siew Yoong
author_sort Lee, Siew Yoong
title Physical, chemical and quality properties of agglomerates and their beverages from fluidised bed drying of calamansi, pineapple and starfruit juice
title_short Physical, chemical and quality properties of agglomerates and their beverages from fluidised bed drying of calamansi, pineapple and starfruit juice
title_full Physical, chemical and quality properties of agglomerates and their beverages from fluidised bed drying of calamansi, pineapple and starfruit juice
title_fullStr Physical, chemical and quality properties of agglomerates and their beverages from fluidised bed drying of calamansi, pineapple and starfruit juice
title_full_unstemmed Physical, chemical and quality properties of agglomerates and their beverages from fluidised bed drying of calamansi, pineapple and starfruit juice
title_sort physical, chemical and quality properties of agglomerates and their beverages from fluidised bed drying of calamansi, pineapple and starfruit juice
publisher The Institution of Engineers, Malaysia
publishDate 2011
url http://dspace.unimap.edu.my/xmlui/handle/123456789/13636
_version_ 1643790921443049472
score 13.214268

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