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Food Sci Technol Int. 2013 Oct;19(5):473-81. doi: 10.1177/1082013212462228. Epub 2013 Jan 16.

Quality of Golden papaya stored under controlled atmosphere conditions.

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1
Universidade Estadual do Norte Fluminense Darcy Ribeiro, Avenida Alberto Lamego, Bairro Parque Califórnia, Campos dos Goytacazes, Brazil.

Abstract

This work evaluated physicochemical parameters of Golden papaya stored under refrigeration in controlled atmospheres. The fruits were kept at 13  in chambers containing either 3 or 6% O2 combined with 6%, 10% or 15% CO2. Moreover, a normal atmosphere was produced with 20.8% O2 and 0.03% CO2 with ethylene scrubbing, and a control treatment was used with ambient conditions. Evaluations were performed at the following times: before storage, after 30 days of storage in controlled atmosphere, and after removal from controlled atmosphere and storage for 7 days in the cold room. At the lower O2 levels and higher CO2 levels, the ripening rate was decreased. The drop in pulp acidity was avoided after 30 days of storage at 3% O2, but the fruits reached normal acidity after removal from controlled atmosphere and storage for 7 days in the cold room. The reducing sugars remained at a higher concentration after 30 days under 3% O2 and 15% CO2 even 7 days after removal from controlled atmosphere and storage in the cold room. This atmosphere also preserved the content of ascorbic acid at a higher level.

KEYWORDS:

Carica papaya L; cold storage; controlled atmosphere; physicochemical characteristics

PMID:
23325129
DOI:
10.1177/1082013212462228
[Indexed for MEDLINE]
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