Difference between Albuminoid and Scleroprotein

What is the difference between Albuminoid and Scleroprotein?

Albuminoid as a noun is a simple protein of a subclass mainly derived from animal connective or supportive tissue while Scleroprotein as a noun is any of many fibrous proteins found in connective tissue etc

We hope you now know whether to use Albuminoid or Scleroprotein in your sentence.