R. Balkanska, I. Zhelyazkova, M. Ignatova, B. Kashamov Abstract. The purpose of this study was to assess the effect of supplementary honey and artificial sugar feeding of bees on the composition of royal jelly. A total of 29 royal jelly samples were harvested and analyzed from May to

R. Balkanska, I. Zhelyazkova, M. Ignatova Abstract. The objective of the present study is to investigate the composition and physico-chemical properties of fresh royal jelly(RJ) samples from Sofia (n=5), Lovech (n=5) and Varna (n=3), produced from May to August 2011. The samples were