Glukoinin
Glukoinin is a hypothetical term that does not correspond to any known scientific or chemical compound. Research into established biochemical and medical literature does not reveal any substances or concepts referred to as glukoinin. It is possible that "glukoinin" is a misspelling of a similar-sounding term, a neologism, or a term used in a specific, non-mainstream context.
If "glukoinin" is intended to refer to a known entity, further clarification or context would be required