The Green Cross Corporation

Ryoichi Naito

Satoru Shiino

Hirohisa Inahara

Tadakazu Suyama

Yoshiro Iga

Human blood coagulation factor VIII which may have hepatitis virus activity can be virus-inactivated with keeping at a minimum the damage of the factor VIII by heating its aqueous solution at 50.degree. to 80.degree. C. for 3 to 15 hours in the presence of 10% (W/V) or more of at least one principal stabilizer of neutral amino acids, monosaccharides, oligosaccharides, and sugar alcohols and 10% (W/V) or more of at least one auxiliary stabilizer of salts of hydrocarbon and hydroxyhydrocarbon carboxylic acids having 3 to 10 carbon atoms.

Process for heat treatment of aqueous solution containing human blood

A powdered fiber bundle of bamboo shoot which is capable of swelling with water is produced by heating bamboo shoot with heated steam at a pressure of 3 to 8 kg/cm.sup.2 (gauge) at a temperature of 130.degree. to 180.degree. C., releasing the pressure at once, drying and pulverizing the squirting bamboo shoot and collecting fine powders. The powdered fiber bundle which has been washed with water sufficiently until it loses any taste and odor is useful as a food additive for supplementing fibrous material to foods deficient in vegetable fiber content.

Food additive for reinforcing foods deficient in fiber content

A powder of expanded asparagus fiber bundles is obtained by keeping the integument of asparagus stems under a pressure of 2 to 8 kg/cm.sup.2 (gage), then releasing the pressure in a moment, drying the spurted material, and pulverizing the dried material. This powder is used as a food additive for supplementing fibrous material to a diet deficient in vegetable fiber content and is effective in preventing acquired intestinal diverticulum.

Growing community of inventors

Ibaraki, Japan

Ryoichi Naito