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Patent No: IN192519 [India] Application No: 0157DEL2001
Title: An improved proces for the preparation of raw vegetables having extended shelf-life
Issue Date: 14-10-2005 File Date: 16-02-2001
Inventor(s): HABIBUNNISA INDIAN M S KRISHNA PRAKASH INDIAN P NARASIMHAN INDIAN REVATHY BASKARAN INDIAN M C VARADARAJ INDIAN
IPC Classification: A23L 1/00, A23B7/00, B65B25/04
Abstract: An improved process for preparation of raw vegetables having extended shelf-life which comprises; - (i) washing the vegetable as herein described in tap water followed by with water containing. 100-500 ppm of chlorine to remove adhering impurities, - (ii) trimming, slicing or dicing or shredding by known methods to a size ranging from 1.0 cm to 4.5 cm3,- (iii) dipping the said cut vegetables for 2-6 minutes in a solution of chemical reagent in water selected from the group consisting of 0.01 to 3.0% sodium benzoate, 0.01 to 2% citric , 0.5 to 3.0% sodium chloride, 0.01 to 1.0% ascorbic , 0.01 to 1.0% tartaric , 0.1 to 2.0% sorbic and 0.01 to 4% trehalose either alone or in combination of 2,3 or 4 of these reagents, - (iv) removing the excessive solution from the said treated cut vegetables by known methods as herein described, (v) drying the surface moisture of cut vegetables at a temperature ranging between 20 to 45°C for a period ranging from 2 to 30 minutes by hot air or centrifugal force with 2000 rpm, - (vi) optionally packing the above dried cut vegetables in polymeric film bags optionally with micro perforations of permeability range as herein described or suing absorbents as herein described, - (vii) sealing the bags optionally under vacuum in the range of 540 to 65 mm Hg, - (viii) optionally exposing the sealed packs to UV rays of intensity ranging from 0.5 to 3.0 x103 Joules/minute for 2 to 30 minutes, - (ix) storing the said vegetables at a temperature ranging from 2 to 6°C.
Licensing Option: License is already granted. Technology has already been Commercialized. Further license is possible.
CSIR-Central Food Technological Research Institute
CSIR-Central Food Technological Research Institute[CSIR-CFTRI]
:  director[at]cftri[dot]res[dot]in
:91-821-2517760
:https://cftri.res.in
Industrial Applications Post Harvest [Agriculture] Storage [Food,Beverages,Tobacco]

Sustainable Development Goals (SDGs) Zero Hunger

CSIR-Themes Agri, Nutrition and Biotech