… Natural polymers (for example, alginic acid) and modified natural polymers (for example, hardened proteins, chemical derivatives of natural …
Explanatory notes
… 39.13 ‑ Natural polymers (for example, alginic acid) and modified natural polymers (for … and esters Alginic acid , a poly(uronic acid), is extracted from brown algae ( Phaeophyta ) by maceration in …