FOAM-MAT DEHYDRATION OF JAMAICA (Hibiscus sabdariffa L.) INSTANT DRINK
作者:
CésarI. Benstain,
HugoS. Garcia,
Alma Vazquez,
期刊:
Drying Technology
(Taylor Available online 1993)
卷期:
Volume 11,
issue 1
页码: 221-228
ISSN:0737-3937
年代: 1993
DOI:10.1080/07373939308916811
出版商: Taylor & Francis Group
关键词: Anthocyanins;Foam drying;Hibiscus
数据来源: Taylor
摘要:
Water extracts of Hibiscus sobdariffa L. (Jamaica) calyces were foam-dehydrated. Combinations of two emuisifiers (Sorbac 60-Polydorbac 80) were used to study the stability of foams and their suitability for further dehydration. Maltodextrins (5 % w/w)were added as drying aids. The effects of temperature and sample thickness on dehydration rates were evaluated. Drying times were found to be proportional to power thickness. Results indicated that moisture transfer is externally controlled.
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