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Influence of citric acid, ascorbic acid and EDTA on the quality of canned guava (Psidium guava) during storage.

Setty, L. and Nagaraja, K. V. and Ranganna, S. (1968) Influence of citric acid, ascorbic acid and EDTA on the quality of canned guava (Psidium guava) during storage. Indian Food Packer, 22 (2). pp. 27-34.

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Abstract

Firm-ripe Allahabad guavas were lye-peeled, canned in 40 degree Brix syrup, and used as the control. Various % of citric acid, ascorbic acid and ethylenediaminetetra-acetic acid (EDTA) were added to other cans. Cans of each type were stored at room temp. and at 37 degree C. It was found that the addition of citric acid accelerated colour formation at room temp. and the extent of browning at 37 degree C and that 0.25% citric acid impaired flavour within 6 months at room temp. The addition of EDTA assisted normal colour retention but the syrup became cloudy. 0.05% ascorbic acid retarded abnormal colour formation and slightly lowered the pH value. Canning in plain syrup assisted natural colour and flavour retention over prolonged storage at room temp. but no treatment was effective at preventing discolouration at 37 degree C.

Item Type: Article
Uncontrolled Keywords: CITRIC-ACID; Effect of /citric acid/ on /flavour; colour/ of canned guava during storage; ASCORBIC-ACID; Effect of /ascorbic acid/ on /flavour; colour/ of canned guava during storage; ACETIC-ACID,-(ETHYLENDINITRILO)TETRA-; Effect of /EDTA/ on /flavour; colour/ of canned guava during storage; FLAVOUR-; Effect of /citric acid; ascorbic acid; EDTA/ on /flavour of canned guava during storage; COLOUR-; Effect of /citric acid; ascorbic acid; EDTA/ on / colour/ of canned guava during storage; GUAVA-; Effect of /citric acid; ascorbic acid; EDTA/ on /flavour; colour/ of canned guava during storage; STORAGE-
Subjects: 600 Technology > 08 Food technology > 24 Fruits
600 Technology > 08 Food technology > 06 Preservation and Storage > 01 Canning
Divisions: Fruit and Vegetable Technology
Depositing User: Food Sci. & Technol. Information Services
Date Deposited: 07 Jun 2016 10:41
Last Modified: 07 Jun 2016 10:41
URI: http://ir.cftri.com/id/eprint/7431

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