Simplex lattice design for optimization of the mass ratio of Curcuma longa L., Curcuma zedoaria (Christm.) Roscoe and Curcuma aromatica Salisb. to maximize curcuminoids content and antioxidant activity

Author:

Monton Chaowalit1,Chuanchom Panupong1,Popanit Puwadon1,Settharaksa Sukanya1,Pathompak Pathamaporn1

Affiliation:

1. Drug and Herbal Product Research and Development Center , College of Pharmacy, Rangsit University , Pathum Thani 12000 , Thailand

Abstract

Abstract The aim of this work was to optimize the mass ratio of three Curcuma plants’ rhizomes to obtain the highest curcuminoid content and antioxidant activity using the simplex lattice design. The selected Curcuma plants were C. longa, C. zedoaria and C. aromatica. The simplex lattice design was applied in the work. The individual curcuminoids (curcumin, demethoxycurcumin and bis-demethoxycurcumin) and total curcuminoid content were determined using high-performance liquid chromatography. Curcuma longa alone provided the highest content of bis-demethoxycurcumin and demethoxycurcumin. A mixture of C. longa and C. aromatica in the mass ratio of 72:28 % provided the highest curcumin content. The results showed that C. longa alone exhibited the highest antioxidant activity.

Publisher

Walter de Gruyter GmbH

Subject

Pharmaceutical Science,Pharmacology,General Medicine

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