1. Balkanska R, Karadjova I, Ignatova M (2014) Comparative analyses of chemical composition of royal jelly and drone brood. Bulg Chem Commun 46:412–416
2. Bǎrnuţiu LI, Mǎrghitas LA, Dezmirean DS, Mihai CM, Bobiş O (2011) Chemical composition and antimicrobial activity of royal jelly – review. J Anim Sci Biotechnol 44:67–72
3. Boch R, Shearer DA, Shuel RW (1979) Octanoic and other volatile acids in the mandibular glands of the honeybee and in royal jelly. J Apicult Res 18:250–252
4. Bogdanov S (2016) Royal jelly, bee brood: composition, health, medicine: A review. Bee Product Science, from www.bee-hexagon.net . April 2016
5. Boselli E, Caboni MF, Sabatini AG, Marcazzan GL, Lercker G (2003) Determination and changes of free amino acids in royal jelly during storage. Apidologie 34:129–137