Quantitative Analysis of Apisin, a Major Protein Unique to Royal Jelly

Table 1

Changes in the apisin purity (%) in RJ suspensions at various pH values.

pH	3.9	4.0	4.2	4.4	4.6	4.8	5.0	5.2	5.4	5.6	5.8	6.0
Supernatant	27.6	27.7	27.9	16.9	0.0	0.0	0.7	2.1	13.0	24.6	27.0	26.6
Pellet	28.8	33.6	49.2	66.0	70.3	66.5	67.7	67.4	60.5	32.2	44.5	15.1