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EC number: 212-769-1
CAS number: 868-14-4
Table 1. Calculated intake of monosodium L(+)-tartrate and
L(+)-tartaric acid in two-year feeding study
Intake of monosodium L(+)-tartrate (g/kg/day)
Intake of L(+)-tartaric acid (g/kg/day)
Monosodium L(+)-tartrate was fed to rats in their diet for a total
of two years at levels of 25600, 42240, 60160 and 76800 ppm. There were
no adverse clinical signs and the investigation of the animals' eyes,
blood and urine did not reveal any reaction to treatment, nor were
changes related to treatment seen in the macroscopic pathology or organ
weights of rats killed after 104 weeks. Histological examination of the
tissues did not show evidence of toxicity or tumour induction that could
be attributed to treatment with monosodium L(+)-tartrate. Only the
survival of rats receiving 42240, 60160 or 76800 ppm was superior to
that of the controls and probably correlated with the lower food intake
of these groups and the resultant reduced bodyweight gain.
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