บทคัดย่องานวิจัย

Responses of mango to insecticidal oxygen and carbon dioxide atmospheres.

Yahia, E. M.; Vazquez-Moreno, L.;

Lebensmittel-Wissenschaft & Technologie Year: 1993 Vol: 26 Issue: 1 Pages: 42-48 Ref: 35 ref.

1993

บทคัดย่อ

Responses of mango to insecticidal oxygen and carbon dioxide atmospheres.

Mature mango cv. Keitt fruits were stored at 20 deg C in air (controls) or in a modified atmosphere (MA; jars supplied with humidified CO2 at 210 ml/min for 2 h before being sealed, resulting in 0.03-0.26% O2 and 72-82% CO2) for up to 4 days, or a controlled atmosphere (CA; jars ventilated with 2% O2 + 50% CO2 + 48% N2 at a continuous rate of 210 ml/min) for up to 5 days. Flesh firmness losses (measured after 12 and 19 days of storage) were slightly less in CA and much less in MA than in air. Both MA and CA delayed fruit ripening and increased the activities of ATP:phosphofructokinase, alcohol dehydrogenase and pyruvate decarboxylase, compared with controls, but did not affect the activity of pyruvate kinase. MA also reduced the activity of PPi:phosphofructokinase compared with controls. Fruits showed no signs of internal or external injuries or off-flavours, either immediately after removal from CA or MA, or after transfer to air. There were no significant differences between air- and CA-stored

 fruits in all sensory attributes evaluated, but the overall acceptability of fruits stored in MA for over 72 h was lower than that of fruits stored in air. The results support the potential use of CA/MA for postharvest insect control in this cultivar.