Genipin is an aglycone derived from an iridoid glycoside called geniposide present in fruit of gardenia jasmindides ellis. Genipin is an excellent natural cross-linker for protein, collagen, gelatin, and chitosan cross-linking. It has much less toxic than glutaraldehyde and many other commonly used synthetic cross -linking regents. It is also used for pharmaceutical purposes, such as choleretic action for liver diseases control.
Geniposidic acid is an iridoid glucoside, are widely present in plant tissues, such as Eucommia ulmoides, Gardenia jasminoides Ellis,et al. Geniposidic acid can be prepared from Eucommia leaf by solvent extraction, silica gel column chromatography, also be prepared from geniposide by hydrolysis saponification. Modern pharmacological experiments show that geniposidic acid is the main effective components of Eucommia ulmoides. Geniposidic acid has anti-inflammatory and other functions, it can be used to lower blood pressure in clinical, pain, sedation and so on. Geniposidic acid can be also used as health food additives.
Geniposide is purified from gardenia jasminoides Ellis dry mature fruit.Being white crystal or power, it easily dissolves in water or alcohol, but not in petroleum. Geniposide has positive pharmacological effects to the digestive system, cardiovascular system and central nerve.
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Crocetin is a natural carotenoid dicarboxylic acid which is found in the crocus flower. Based on the non-toxic side effects and the good anti-cancer activeness,crocetin is playing an important role in regulation on the circulatory system, anti-tumor, liver and gallbladder, kidney, etc.
