5'-IMP and 5'-GMP are degraded products of RNA. They have typical "umami" taste such as MSG.
Also it is widely known that the combination use of 5'-IMP, GMP and MSG can provide extremely magnified "umami" taste.
For inquires & information about these products:
Nippon Paper Industries Co.,Ltd.
Chemical Division
4-6, Kandasurugadai, Chiyoda-ku, Tokyo 101-0062, Japan
Phone:+81-3-6665-5900 Facsimile:+81-3-6665-0360
Inuqire here
