Changes in Conference pear peel pigments during storage and ripening
J.M. Ben, J. Baszczyk
ISHS Acta Horticulturae 596:827-830.
2002
บทคัดย่อ
‘Conference’ pears were harvested at pre-climacteric stage. After pre-cooling they were placed in cold storage at –1°C and in controlled atmosphere (CA). After 120, 150, 180 and 210 days of storage the pears were ripened at 18 °C. Immediately after removal from cold storage and after 3 and 6 days ripening the contents of chlorophyll and carotene pigments were determined. Chlorophyll (a+b) degradation was fastest at –1 °C and considerably slower in CA. After 180 or 210 days storage breakdown of chlorophyll pigments was generally faster during the first three days of ripening. With 3% CO2 and 2% O2 degradation of chlorophyll pigments after 3 days was slower then at any date of analysis. A significant increase in carotene pigment contents was observed after 180 days of pears storage in 0% CO2 + 2% O2 atmosphere and in 2% CO2 + 2% O2. CA did not influence changes in carotene pigment concentration in pears ripening for 3 days.