Effect Of Scald On Apple Skin Respiration

Abstract
The respiration of normal and scalded apple skin was compared. Severely scalded skin had a reduced O2 uptake and CO2 production in air and nitrogen. The percentage of reduction of O2 uptake and CO2 production of scalded skin was similar in the absence of substrate or in the presence of boiled apple juice and pyruvate. The percentage inhibition of oxygen uptake by cyanide was the same for normal and scalded skin tissue. Volatiles in the atmosphere of a commercial storage had no effect on the O2 uptake of the skin tissue. The nature of the reduction in respiration with scald was of a quantitative nature, indicating a portion of the cells are no longer functional and are presumably dead.

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