Table 2. Ion extract concentrations.

	Ca2+	PO4 3−		Ca2+	PO4 3−
α-MEM	68.36±0.67	37.92±0.67	DMEM	67.24±0.53	111.57±0.55
α-MEM + CMP	66.37±0.19	36.70±0.34	DMEM + CMP	67.37±0.43	33.06±0.56
α-MEM + HA	67.82±0.19	36.00±0.24	DMEM + HA	68.36±0.29	33.80±0.36
α-MEM + HA-col	62.34±0.19	99.45±0.13	DMEM + HA-col	69.41±0.28	34.49±0.58

(mg/kg = ppm).

DMEM and α-MEM ion concentrations were within 1% error.

The same lot of α-MEM and DMEM were used for all experiments.