Gelatin or a chemically modified product thereof, an aqueous composition containing the same, a medical laminate, a method for producing a medical laminate and a method for isolating a cell sheet
A gelatin or chemically modified product thereof having a high-molecular weight component content of 10%-50% by mass and having a value, being the low-molecular weight component content deducted from the high-molecular weight component content, of at least 0% by mass.