Excerpt:
The proline content of 740 U.S. honey samples in two groups was determined. For 482 samples from 1974-75, the mean was 48·3 mgjl00 g (S = 18’6, range 14’8-139). A group of 258 samples from 1956-57 averaged 54·1 mgjlOOg (S = 21’9, range 16·9-148). The average loss from 4 months storage at 37°C of 18· 6% is relatively minor in comparison with the normal variation found among honey samples. A significant inverse relationship was observed between the solids content of syrups as fed to confined bees and the proline content of the material stored by the bees.
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