objectives: royal jelly (rj), a secretion of both the hypopharyngeal and mandibular glands of nurse workers, is believed to play a central role in honeybee queen development. important component of royal jelly are proteins which form about 50% of the dry mass of rj. major royal jelly proteins (mrjps) are the dominant proteinaceous component of royal jelly and constitute about 82-90% of total pr...
