Firing sea urchin shells at 500 to 1500 DEG C for 6 hr or longer gives rise to a calcium-containing composition suitable particularly for food. The composition can allow excellent calcium absorption in the digestive tract, is easy to process, has a fine texture and a beautiful white appearance, and can be mixed with other food material(s) to prepare an excellent health food.
申请公布号
WO9817128(A1)
申请公布日期
1998.04.30
申请号
WO1997JP03799
申请日期
1997.10.21
申请人
CALIFORNIA CALCIUM CORPORATION;KUMAGAI, YOSHINARI;KUBO, AZUMA