
1) Food additive
Found on
https://www.crosswordclues.com/clue/polylysine

Polylysine (ε-poly-L-lysine, EPL) is a small natural homopolymer of the essential amino acid L-lysine that is produced by bacterial fermentation. ε-Poly-L-lysine is used as a natural preservative in food products. ==Chemical structure & function== ε-Polylysine is typically produced as a homo-polypeptide of approximately 25-30 L-lysine residues....
Found on
http://en.wikipedia.org/wiki/Polylysine

<biochemistry> A polymer of lysine, it carries multiple positive charges and is used to mediate adhesion of living cells to synthetic culture substrates or of fixed cells to glass slides (for observation by fluorescence microscopy, for example). ... (18 Nov 1997) ...
Found on
http://www.encyclo.co.uk/local/20973

A polymer of lysine, it carries multiple positive charges and is used to mediate adhesion of living cells to synthetic culture substrates, or of fixed cells to glass slides (for observation by fluorescence microscopy, for example).
Found on
http://www.encyclo.co.uk/visitor-contributions.php
No exact match found.