Enhancing the shelf life of fresh-cut bitter gourd using modified atmospheric packaging | Zendy

P. Preetha | Zendy; N. Varadharaju | Zendy; P Vennila | Zendy

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Enhancing the shelf life of fresh-cut bitter gourd using modified atmospheric packaging

Author(s) -

P. Preetha,

N. Varadharaju,

P Vennila

Publication year - 2015

Publication title -

african journal of agricultural research

Language(s) - English

Resource type - Journals

ISSN - 1991-637X

DOI - 10.5897/ajar2013.8290

Subject(s) - modified atmosphere , low density polyethylene , titratable acid , shelf life , ascorbic acid , bitter gourd , atmospheric air , gloss (optics) , food science , horticulture , polyethylene , chemistry , materials science , composite material , biology , coating , physics , traditional medicine , medicine , momordica , atmospheric sciences

The study of modified atmospheric packaging (MAP) of fresh-cut bitter gourd was taken to extend the shelf life. Low density polyethylene (LDPE) and polypropylene (PP) films with a thickness of 100 micron (µ) were selected due to their less permeability to O2. The fresh-cut bitter gourd packaged under two different atmosphere (active – 3% O2 and 5% CO2 and passive – atmospheric air) and stored at 8±2°C. The results showed that active MAP in LDPE had a minimum reduction in the physiological loss in weight (4.2%), chlorophyll content (19.26%), ascorbic acid (15%) and minimum increase of color value ‘a’ (44%), titratable acidity (66%), bacteria (50%), fungi (42.4%) after 15 days of storage. The sensory evaluation of maximum overall acceptability 8.2 was recorded in active MAP in LDPE. Key words: Modified atmospheric packaging, bitter gourd, active modified atmospheric packaging (MAP), passive modified atmospheric packaging (MAP), fresh-cut.

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