| http://www.w3.org/ns/prov#value | - The hardening materials in the present invention may contain starch, glucosaminoglycane, alginic acid, chitin, chitosan, heparin, etc. as polysaccharides other than cellulose, collagen, gelatin, and thief derivatives as proteins, and antirheumatic agents, antiphlogistics, antibiotics, anti-cancer agents, bone-inducing factors, tannic acid and its derivatives such as catechin, retinoic acid and its
|
