STUDIES ON SHELF LIFE EXTENSION OF ELAKKI BANANA (Musa paradisiaca) FRUIT
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Date
2008-07-16
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University of Agricultural Sciences GKVK, Bangalore
Abstract
An experiment was conducted in the laboratories of AICRP on Post Harvest
Technology, UAS, GKVK, Bangalore, during the year 2007-2008. The experiment was
carried out to find the effect of different packages and storage temperatures for enhancing
shelf life of Elakki banana fruits.
Many methods are available for fruit storage such as cold storage, controlled
atmosphere storage, evaporative cooling systems etc. Recently, modified atmosphere
(MA) storage is getting more popular for its desirable effects. The principle is extendjng
the storage life by altering the storage atmosphere around the commodity and slowing
down the metabolic dpening processes without affecting the quality of lhe conm10dity.
Recently long term storage of vegetables has been achieved by using silicone membnme
systems (Gairepy et al., 1998; 1986 Raghavan et al., 1982). It is desirable to try and sec
whether the Elakki banana fruits can be stored bcnelicially in Lhc moc.lilic<l utmosphcrc
created by the silicone membrane and diffusion channel systems.
Fruits were packed in two different packages like silicone membrane with
different window areas in airtight PET jars and diffusion channel system with different
lengths and diameters in PET jars at ambient temperature for evaluation. PL W and gas
composition inside the package were detennined and then quality parameters were
estimated immediately after removing from MAP. Finally best two packages each from,
silicone membrane system and diffusion channel system were selected and fruits in these
packages were stored in two different temperatures (Ambient, and 15°C) to find the effect
of different packages and storage temperatures for enhancing shelf-life.
The shelf life of Elakki banana fruits under ambient and refrigeration temperature
in case of silicone membrane and diffusion channel systems ii was 38 days compared to
control which could be kept well for only 7 days under ambient temperature.
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