Betekenis van:
keratin

keratin
Zelfstandig naamwoord
  • hoornstof, keratine
  • a fibrous scleroprotein that occurs in the outer layer of the skin and in horny tissues such as hair, feathers, nails, and hooves

Synoniemen

Hyperoniemen


Voorbeeldzinnen

  1. Keratin hydrolyzates, reaction products with coco-acyl chloride
  2. A biological material consisting predominantly of partially hydrolyzed keratin
  3. AMP-ISOSTEAROYL GELATIN/KERATIN AMINO ACIDS/LYSINE HYDROXYPROPYLTRIMONIUM CHLORIDE
  4. Amino acids, keratin, reaction products with octanoyl chloride
  5. Keratins, hydrolyzates. A biological material consisting predominantly of partially hydrolyzed keratin
  6. Greasy wool and other keratin fibres (including wool from sheep, camel, alpaca, goat)
  7. 2-Hydroxy-1-propanaminium, N,N-dimethyl-N-(coco-alkyl)-, 3-hydrolyzed keratin derivs., chlorides
  8. Lye (4.1.2): either sodiumhydroxide or potassiumhydroxide clears the material of the feed, assisting the detection of muscle fibres, hairs and other keratin structures.
  9. Gelatins, polymers with keratin hydrolyzates and L-lysine, 2-hydroxy-N,N,N- trimethyl-1-propanaminium chloride, reaction products with isostearoyl chloride, compounds with 2-amino-2-methyl-1-propanol
  10. Fibre-specific criteria are set in this section for acrylic, cotton and other natural cellulosic seed fibres, elastane, flax and other bast fibres, greasy wool and other keratin fibres, man-made cellulose fibres, polyamide, polyester and polypropylene.
  11. A level of 4 is nevertheless allowed when fabrics intended for furniture, curtains or drapes are both light coloured (standard depth < 1/12) and made of more than 20 % wool or other keratin fibres, or more than 20 % silk, or more than 20 % linen or other bast fibres.
  12. These requirements (as detailed in points 5.1, 5.2, 5.3 and 5.4) and taken separately) do not apply if documentary evidence can be presented that establishes the identity of the farmers producing at least 75 % of the wool or keratin fibres in question, together with a declaration from these farmers that the substances listed above have not been applied to the fields or animals concerned.
  13. The test should be made on raw wool, before it comes through any wet treatment, for each lot of wool or two times a year if more than two lots of wool per year are received. These requirements (as detailed in points 5.1, 5.2, 5.3 and 5.4) and taken separately) do not apply if documentary evidence can be presented that establishes the identity of the farmers producing at least 75 % of the wool or keratin fibres in question, together with a declaration from these farmers that the substances listed above have not been applied to the fields or animals concerned.