Pg. 15-16 SO2 Residues in Litchi Fruit after Post-Harvest SO2 Treatments (1990)

During the 1990 season, S02 residues in litchi fruit, cv Mauritius and cv Madras, were determined immediately after commercial S02 treatment, and after four weeks of cold storage. In both cultivars, S02 concentration in the pulp decreased during the four-week storage period and a big variation in the S02 residue concentrations occurred. In 79 per cent of the Madras samples analysed, the S02 residues in the pulp exceeded the tolerated 10 ppm level after storage, while only 22 per cent of the Mauritius samples fell into this category.

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