Potential use of natural dyes extracted from Melastoma malabathricum L. seeds as corrosion inhibitors on low carbon steel: A review

Trecy Kartika Pardede, Nofrijon Sofyan

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Anthocyanins are compounds that can be obtained naturally in many plants. Interestingly, cyanidin and glycosides, which are one of the main groups of natural anthocyanins, have aromatic rings so that anthocyanins tend to bond to metal surfaces through heteroatomic interactions or π-πinteractions. These properties lead to potential applications of anthocyanins as corrosion inhibitors. The inhibition efficiency of organic compounds is closely related to their adsorption properties. It is known that adsorption mainly depends on the presence of heteroatoms and πelectrons which causes greater adsorption of the inhibitor molecules on the metal surface. Melastoma malabathricum L. plant has been identified to contain delphinidin hexoside, cyanidin delphinidin dihexoside, cyanidin hexoside, and cyanidin dihexoside. This shows that Melastoma malabathricum L. is rich in anthocyanins. Because of that, it is expected that this plant has a high potential to be used as an organic inhibitor. In this paper, several extraction methods for natural dyes have been reviewed including Melastoma Malabathricum L. seeds. In general, the higher the inhibitor concentration, the higher the effect of the corrosion inhibition on low carbon steel in an acidic environment up to a critical concentration.

Original languageEnglish
Title of host publicationAdvances in Metallurgy and Engineering Materials
Subtitle of host publicationCharacterizations and Innovation
EditorsJaka Fajar Fatriansyah, Deni Ferdian, Wahyuaji Narottama Putra, Akhmad Herman Yuwono, Donanta Dhaneswara, Nofrijon Sofyan
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735444669
DOIs
Publication statusPublished - 9 May 2023
EventInternational Meeting on Advances in Metallurgy and Materials 2020, i-MAMM 2020 - Virtual, Online
Duration: 16 Nov 202017 Nov 2020

Publication series

NameAIP Conference Proceedings
Volume2538
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

ConferenceInternational Meeting on Advances in Metallurgy and Materials 2020, i-MAMM 2020
CityVirtual, Online
Period16/11/2017/11/20

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