Apidologie
July 2015
In this study, the chemical and mineral composition and trace elements in royal jelly (RJ) and worker jelly (WJ) and in royal jelly on particular days (only-2-day RJ [O2d], only-3-day RJ [O3d] and only-4-day RJ [O4d]) were determined. Significant differences in levels of moisture, protein, 10-hydroxy-2-decenoic acid (10-HDA), fructose (F) and glucose (G) were found between the RJ and WJ samples.
The nutrient content was significantly higher in samples on O2d than the O3d and O4d samples. The results of this study add to the current knowledge of the nutritional value of RJ and WJ. These results also imply a strong relationship between nutritional effects and polyphenism in honey bees.
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