Abstract
THE organic acids in citrus juices are chiefly citric and malic, although tartaric and oxalic acids also have been reported in grapefruit1. In our laboratory, succinic acid was found in frozen mature oranges. Wolf2 isolated citric, malic and an unidentified acid from citrus fruit. Sinclair and Eny3 reported that in the peel malic acid predominates while citric and oxalic acids occur in smaller amounts.
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References
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TING, S., DESZYCK, E. Isolation of I-Quinic Acid in Citrus Fruit. Nature 183, 1404–1405 (1959). https://doi.org/10.1038/1831404b0
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DOI: https://doi.org/10.1038/1831404b0
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