Abstract
Effects of stripped (alpha-tocopherol < 5 mg L(-)(1)) corn oil on flesh firmness, skin color, acidity, soluble solids content (SSC), scald, and fruit volatiles during 6 months at 0 degrees C were studied using Golden Supreme and Delicious apples. Treatment with 10% oil emulsion reduced production of ethylene, alpha-farnesene, and major volatile esters in the first 3 months of storage, but this trend reversed after 5 months. After 6 months at 0 degrees C plus 7 days at 20 degrees C, oil-treated fruit were firmer and greener and had higher levels of titratable acidity than the controls. In addition, control fruit developed 27% and 42% scald in Golden Supreme and Delicious apples, respectively, whereas oil-treated fruit were free from scald. Soluble solids content and ethanol production were unaffected by oil treatment.
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