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Authors Nagaraja, A; Saroj, PL; Singh, IS; Awasthi, OP
Author Full Name Nagaraja, A.; Saroj, P. L.; Singh, I. S.; Awasthi, O. P.
Title Effect of blanching treatments and dehydration methods on rehydration quality of khejri (Prosopis cineraria) pods
Source INDIAN JOURNAL OF AGRICULTURAL SCIENCES
Language English
Document Type Article
Author Keywords Blanching; Dehydration; Hedonic rating; Rehydration; Prosopis cineraria
Abstract The khejri (Prosopis cineraria L. Druce), is a multipurpose leguminous tree of hot arid desert. Its tender pods are utilized for culinary purpose both in fresh and dehydrated conditions without ascertaining its quality aspect. Therefore, the present investigation was carried out to find out the effect of blanching treatments and dehydration methods on rehydration quality of khejri pods. The experiment consists of three methods of drying and six blanching treatments replicated thrice under completely randomised design (CRD). Both tender pods (harvested within 20 days of fruit set at green stage) and mature pods (harvested after 25 days of fruit set at colour turning stage) were taken for the study. Among various methods of drying; sun drying took minimum time (11 hours) while other methods took comparatively longer period for drying. Moreover, recovery per cent of pods did not vary significantly within the drying methods and blanching treatments. In general, tender pods recovery was less compared to matured pods. The rehydration ratio was maximum in pods blanched in hot water (5 min.) followed by control. Among different methods, the rehydration ratio was maximum in shade drying followed by sun drying and the least in tray drier The storage life of dehydrated pods was more than 52 weeks in blanching treatment than only about 8 weeks in control (un-blanched pods). The appearance of sun dried pods was not good as brownish and grayish colour pods were observed. Whereas in case of pods dried in shade and tray drier were green in colour. The protein content was also higher in pods dehydrated either in shade or in tray drier but the differences among the blanching treatments were non-significant. Thus, it can be concluded that the tender pods dried after blanching in 2 per cent salt solution (5 min.) or blanched in 2 per cent salt solution (5 min.) + 0.1 per cent KMS (potassium metabisulphite) either in shade or in tray drier have overall good acceptability because of retention of green colour, higher protein content, good storage life, better appearance after rehydration, good culinary taste, overall higher hedonic rating and more hygienic conditions than open sun drying.
Author Address [Nagaraja, A.; Saroj, P. L.; Singh, I. S.; Awasthi, O. P.] Cent Inst Arid Hort, Bikaner 334006, Rajasthan, India
Reprint Address Nagaraja, A (corresponding author), IARI, New Delhi, India.
E-mail Address anrciah@gmail.com; plsaroj@yahoo.co.in; induciah@rediffmail.com; awasthiciah@yahoo.com
Publisher INDIAN COUNC AGRICULTURAL RES
Publisher City NEW DELHI
Publisher Address KAB-1, NEW DELHI 110012, INDIA
ISSN 0019-5022
29-Character Source Abbreviation INDIAN J AGR SCI
ISO Source Abbreviation Indian J. Agric. Sci.
Publication Date SEP
Year Published 2014
Volume 84
Issue 9
Beginning Page 1063
Ending Page 1068
Page Count 6
Web of Science Category Agriculture, Multidisciplinary
Subject Category Agriculture
Document Delivery Number AP5KA
Unique Article Identifier WOS:000342116900007
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