| EBH | Elastin-based hydrolysate |
| EBH III | Ultrafiltrated hydrolyzed elastin with molecular weight less than 3 kDa |
| EB-I | First fraction of gel-filtrated hydrolyzed elastin |
| EB-II | Second fraction of gel-filtrated hydrolyzed elastin |
| EB-III | Third fraction of gel-filtrated hydrolyzed elastin |
| EB-IV | Fourth fraction of gel-filtrated hydrolyzed elastin |
| UEB | Non-hydrolyzed Elastin extracted from broiler hen skin |
| EB-II1 | First fraction from second fraction of gel-filtrated hydrolyzed elastin |
| EB-II2 | Second fraction from second fraction of gel-filtrated hydrolyzed elastin |
| EB-II3 | Third fraction from second fraction of gel-filtrated hydrolyzed elastin |
| EB-II4 | Fourth fraction from second fraction of gel-filtrated hydrolyzed elastin |