Background: The possibility of utilizing the bioorganic tomato peel as a cheap source for pectin production
and its application as a corrosion inhibitor was investigated to implement viable cyclical
economy principle in solving the main problem of waste disposal.
Methodology: Pectin, from two batches (A and B) from canning factory, was extracted in two steps with
ammonium oxalate/oxalic acid, under reflux. Physico-chemical properties, characterisation of structure
(FTIR and NMR spectroscopy) and application as corrosion inhibitor of pure tin for isolated pectin were
investigated.