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Effect of modified atmosphere packaging on physical, bio-chemical and functional properties of Jamun (Syzygium cumini) during storage

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Title Effect of modified atmosphere packaging on physical, bio-chemical and functional properties of Jamun (Syzygium cumini) during storage
 
Creator Mohapatra, Minati
Biswal, Sonali
Nayak, R N
Panda, M K
Dash, S K
 
Subject Anthocyanin content
Ascorbic acid content
Jamun
Modified atmospheric packaging
Overhead gas composition
Physiological loss in weight
Shelf life
Total phenolic content
 
Description 865-875
Modified atmosphere packaging (MAP) of jamun (Syzygium cumini) was studied in macro-perforated (4, 8 and 12 perforations, 0.03 mm dia. each) polypropylene (PP) film (thickness: 50 μm, dimension: 30x10 cm) and extended polystyrene trays with cling package (thickness: 20-micron, width: 20 cm) at different storage conditions i.e., cold storage at temperature 1-3°C, 90% RH, refrigerated storage at 8-10ºC, 80-85% RH and ambient temperature 25-28ºC, 70-80% RH. Changes in different physical, biochemical parameters i.e., headspace gas composition %O2 & CO2, physiological weight loss %, colour, anthocyanin content, ascorbic acid content, total soluble solids and titratable acidity were determined at every 7 days intervals up to 30 days. The headspace gas concentration in 4 perforations PP at refrigerated storage (8-10ºC, 80-85% RH) was observed to be: CO2 = 4.55% and O2 = 17.45%, whereas, CO2 = 2.7% and O2 = 16.67% in case of cold storage after 30 days storage. Physiological weight loss of samples was minimum and the purplish-blue colour, ascorbic acid content, was retained maximum in 4 perforations PP cold storage samples. Anthocyanin content was retained maximum (92.8%) in 8 perforations cold storage sample. Total microbial load was minimum (1.39x104 cfu/g) in case of 4P PP samples in cold storage. Sensory analysis of MAP of jamun suggested that the overall acceptability score > 7.08±0.16 were obtained, in terms of taste and colour and found suitable for consumption even after 30 days of storage.
 
Date 2022-11-29T09:45:38Z
2022-11-29T09:45:38Z
2022-11
 
Type Article
 
Identifier 0975-1068 (Online); 0972-5938 (Print)
http://nopr.niscpr.res.in/handle/123456789/60951
https://doi.org/10.56042/ijtk.v21i4.32700
 
Language en
 
Relation A61K 36/185
B65B 25/04
B65B 31/00
 
Publisher NIScPR-CSIR, India
 
Source IJTK Vol.21(4) [October 2022]