Effects of Controlled Atmosphere (CA) Storage on Amino Acids, Organic Acids, Sugars, and Rate of Respiration of ‘Lambert’ Sweet Cherry Fruit1
Open Access
- 1 July 1970
- journal article
- Published by American Society for Horticultural Science in Journal of the American Society for Horticultural Science
- Vol. 95 (4) , 458-461
- https://doi.org/10.21273/jashs.95.4.458
Abstract
Sweet cherries (cultivar—‘Lambert’) were kept in a controlled atmosphere (CA) consisting of 10.5 per cent CO2 and 2.5 per cent O2 at 1°C. The sample fruits were taken periodically during the treatment and also after termination of the CA treatment. The concentration of amino acids, tyrosine and α-amino butyric acid; organic acid, malic acid; and total sugars were determined on an ethanolic extract of the fruit pulp. The respiratory CO2 was measured for separate lots of 1.2 to 1.5 kg of fruit. Fruit stored at higher CO2 concentration had a lower amount of tyrosine, higher amounts of α-amino butyric and malic acids than in fruits stored in the conventional refrigerator at 1°C. The respiratory rate was inhibited, and there was no significant effect on total sugar content.Keywords
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