What's Genipin ?
1.  Genipin is the active compound found in the fruit of Gardenia jasminoides Ellis extract used as a Chinese traditional medicine to relieve the symptoms of type 2 diabetes.
2. Genipin is an excellent natural cross-linker for proteins, collagen, gelatin, and chitosan cross-linking. It has a low acute toxicity; much less toxic than glutaraldehyde and many other commonly used synthetic cross-linking reagents. It is also used for pharmaceutical purposes, such as choleretic action for liver diseases control.