Author: Yahia E.M. Carrillo-López A.
Publisher: Academic Press
ISSN: 0023-6438
Source: Lebensmittel-Wissenschaft und -Technologie, Vol.26, Iss.4, 1993-08, pp. : 307-311
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Abstract
Atmospheres with ≤0.5% O2 and ≥60% CO2 have been shown to be insecticidal. Avocado fruit (Persea americana Mill., cv. Hass) were exposed to air and to a modified atmosphere (MA) containing 0.1 to 0.44% 02 and 50 to 75% C02 at 20°C for 0 to 5 d. The fruits were evaluated every day, immediately after removal from MA and after ripening in air at 20°C. Fruit exposed to MA for more than 1 d and then ripened in air had exocarp and mesocarp injury. Fruit in MA for more than one day had decreased concentrations of three glycolytic metabolites: glucose 6-phosphate, fructose 6-phosphate and 2-phosphoglycerate. Other metabolites were not affected. Insecticidal MA can only be used as a potential insect control treatment in avocado fruit for periods of 1 d or less.
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