Patent ID: 8795957

Claim:
A blood collection container comprising: a tubular container having an opening at one end and a bottom at the other end opposite to the one end and a blood coagulation promoting agent (A) being a hydrolase capable of hydrolyzing the bond between arginine and any amino acid residue and/or the bond between lysine and any amino acid residue in peptide chains; and an anti foaming agent, said antifoaming agent being a polyoxyalkylene or a derivative thereof, wherein the amount of said antifoaming agent is 2.0×10 −3 to 0.2 mg per mL of blood to be collected in the blood collection container, and a blood coagulation promoting agent-containing composition comprising said blood coagulation promoting agent (A) and an antifoaming agent-containing composition comprising said antifoaming agent are housed in said tubular container so that a lowermost portion of said blood coagulation promoting agent-containing composition with respect to said bottom of the tubular container is located nearer to the opening end as compared to a lowermost portion of said antifoaming agent-containing composition with respect to said bottom of the tubular container.