Background:

Lignine (Lignin) is a complex organic polymer, which plays an important role in plant cell wall structure.

[1]. Chong HS, et al. Simultaneous determination of sodium iron chlorophyllin and sodium copper chlorophyllin in food using high-performance liquid chromatography and ultra-performance liquid chromatography-mass spectrometry. Food Chem. 2019 Mar 15;276:390-396.