Material for Gel Formation and Gel Composition

2:

• The material for gel formation according to claim 1, wherein a thiol group modification rate of the component A is 5% or more and 50% or less.

3:

• The material for gel formation according to claim 1, wherein the component A has an average molecular weight of 10,000 or more and 600,000 or less.

4:

• The material for gel formation according to claim 1, wherein a maleimide group modification rate of the component B is 1% or more and 30% or less.

5:

• A material for in situ gel formation, comprising at least one selected from the group consisting of a modified hyaluronic acid having a thiol group and a salt thereof.

6:

• A material for in situ gel formation, comprising at least one selected from the group consisting of a modified hyaluronic acid having a maleimide group and a salt thereof.