METHODS OF STORAGE OF VEGETABLES IN THE REFRIGERATOR AT HOUSEHOLD LEVEL
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Date
2005
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UNIVERSITY OF AGRICULTURAL SCIENCES GKVK, DHARWAD
Abstract
"An investigation on methods of storage of vegetables in the
refrigerator at household level was carried out in the year 2003-04 in the
five residential areas of Dharwad city viz., University residential campus,
Kumareshwar Nagar, Sadhankere, Koppad kere and Kalyan Nagar.
Survey and laboratory experiment were carried out to find out the
prevailing practices of storage of vegetables at household level, to test
the efficiency of different packaging materials and to examine the
performance of various packaging materials in different shelves on shelf
life and quality of vegetables under both household and laboratory
refrigerated condition.
The survey indicated that cent per cent of the respondents used
refrigerator for storage of vegetables. Maximum percentage of households
used carry bags to store leafy vegetables (61%), roots and tubers (69%),
fruits (64%) and other vegetables (80%). Cent per cent of the respondents
stored vegetables in the vegetable basket. Vegetables becoming tasteless
was the major problem related to storage of vegetables in the refrigerator
as reported by 35 per cent of respondents.
The experimental findings revealed that the cumulative
physiological loss of weight (CPLW) was less and shelf life was longer
under laboratory refrigeration when compared to households refrigeration
for most of the vegetables. The 't' value revealed a significant difference
between the two conditions. The percentage CPLW and shelf life of
selected vegetables under household refrigeration differed significantly in
the selected packing materials and the CPLW of all the vegetables was
maximum in brown paper bag while it was minimum in polyethylene bag
(HDPE). The sensory evaluation index (SEI) score for sensory profile was
highest in polyethylene bag under household refrigeration (55.77) and
under laboratory refrigeration, it was highest in brown paper bag (69.48).
The mean shelf life period (MSLP) for acceptable sensory profile of the
vegetables was found to be highest in plastic container under both
household and laboratory refrigeration (14.07 and 17.42 days
respectively). Based on the ranking scores for physiological and
qualitative parameters plastic container was found to be suitable for
many vegetables while the uppermost compartment is most ideal to store
the vegetables."
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No. of references 54