Decomposition Behavior of Curcumin during Solar Irradiation when Contact with Inorganic Particles

1st Annual Applied Science and Engineering Conference

工业技术;自然科学

Nandiyanto, A.B.D.^1 ; Wiryani, A.S.^1 ; Rusli, A.^1 ; Purnamasari, A.^1 ; Abdullah, A.G.^2 ; Riza, L.S.^3

Departemen Kimia, Universitas Pendidikan Indonesia, Jl. Dr. Setiabudi no 229, Jawa Barat, Bandung

40154, Indonesia^1

Departemen Pendidikan Teknik Elektro, Universitas Pendidikan Indonesia, Jl. Dr. Setiabudi no 229, Jawa Barat, Bandung

40154, Indonesia^2

Departemen Ilmu Komputer, Universitas Pendidikan Indonesia, Jl. Dr. Setiabudi no 229, Jawa Barat, Bandung

40154, Indonesia^3

关键词: Decomposition behaviors;    Decomposition rate;    Experimental methods;    Inorganic materials;    Inorganic particles;    Less concentrations;    Solar irradiation;    Titanium dioxides (TiO2);   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/180/1/012135/pdf
DOI  :  10.1088/1757-899X/180/1/012135

来源: IOP

【 摘 要 】

Curcumin is one of materials which have been widely used in medicine, Asian cuisine, and traditional cosmetic. Therefore, understanding the stability of curcumin has been widely studied. The purpose of this study was to investigate the stability of curcumin solution against solar irradiation when making contact with inorganic material. As a model for the inorganic material, titanium dioxide (TiO2) was used. In the experimental method, the curcumin solution was irradiated using a solar irradiation. To confirm the stability of curcumin when contact with inorganic material, we added TiO2micro particles with different concentrations. The results showed that the concentration of curcumin decreased during solar irradiation. The less concentration of curcumin affected the more decomposition rate obtained. The decomposition rate was increased greatly when TiO2was added, in which the more TiO2concentration added allowed the faster decomposition rate. Based on the result, we conclude that the curcumin is relatively stable as long as using higher concentration of curcumin and is no inorganic material existed. Then, the decomposition can be minimized by avoiding contact with inorganic material.