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EVALUATION OF DRYING MODES AND PACKAGING MATERIAL FOR STORAGE OF WILD POMEGRANATE (Punica granatum L.) ARILS

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Title EVALUATION OF DRYING MODES AND PACKAGING MATERIAL FOR STORAGE OF WILD POMEGRANATE (Punica granatum L.) ARILS
 
Creator SHARMA, ANSHU
 
Contributor THAKUR, N.S.
 
Subject fruits, pomegranates, storage, sugar, drying, acidity, packaging, food preservation, dryers, organic compounds
wild pomegranate (Punica granatumL.) arils,drying modes and packaging material,storage
 
Description ABSTRACT
The present studies entitled, “Evaluation of drying modes and packaging material for
storage of wild pomegranate (Punica granatumL.) arils” were conducted during 2011-2012 in the
Department of Food Science and Technology, Dr YS Parmar University of Horticulture and Forestry,
Nauni-173230, Solan (HP). Wild pomegranate (Punica granatum L.) is the only wild fruit which has got
commercial importance because of its high acidic nature. It is used as an acidulant in curries, chutneys
and many other culinary preparations. It is also considered as a good source of an antioxidant because
of the presence of various compounds like phenols, anthocyanins, ascorbic acid etc. in it. The freshly
extracted arils of wild pomegranate fruit were pre-treated (steam blanching for 30 sec followed by
sulphuring @ 0.3 per cent for 60 min) to check the browning as suggested by Thakur et al., 2010.
Three drying modes like mechanical cabinet drier, solar tunnel drier and open sun were compared to dry
the pretreated arils on the basis of various physico-chemical and sensory quality characteristics. The
arils from the best drying mode (mechanical cabinet drier; 60 + 2oC) possessing maximum desirable
sensory and physico-chemical characteristics were packed and stored in nine different packaging
treatments viz., aluminium laminated pouches (ALP) polyethylene pouches (PEP), thermofoam trays
(TT), ALP+5% sugar, PEP+ 5% sugar, TT+5%+ sugar, ALP+5% Salt, PEP+5% salt and TT+ 5%+ Salt
for 6 months under ambient storage conditions. Although the slight changes in various physicochemical
characteristics like moisture, TS, titratable acidity, pH, reducing sugars, total sugars, ascorbic
acid, anthocyanins, phenols, NEB, furfural, HMF, and sensory quality characteristics of dried arils
occurred during storage but the arils packed in aluminium laminated pouch containing either salt or
sugar retained most of these characteristics better than other packaging treatments. So aluminium
laminated pouch can be used as a packaging material for the packaging of dried arils (anardana) on
commercial scale. Putting of salt or sugar sachet along with the arils inside the pouch will be an
additional advantage to retain the quality of anardana .
 
Date 2017-01-04T11:13:41Z
2017-01-04T11:13:41Z
2012
 
Type Thesis
 
Identifier 47855
http://krishikosh.egranth.ac.in/handle/1/94332
 
Language en
 
Format application/pdf