Royal jelly was named emperor royal jelly , for short king jelly , ordinary called queen bees breed . it is excreted by larynx gland and big jaw gland from young worker bees who is 11 - 21 days old . royal jelly is milk white and light yellow , translucence and light stick plasm , special aroma , acid & acrid taste and light sweet 蜂王浆又名蜂皇浆，简称王浆，俗称蜂王乳，是11 21日龄青年工蜂发达的下咽头腺和大颚腺所分泌，蜂王浆为乳白色或淡黄色，半透明微黏稠的浆状物，有特殊香味，味酸涩辛略甜。
