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LC Determination of Gallic Acid in Preparations Derived from Schinus terebinthifolius Raddi |
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| Authors: | Carvalho Melina G Freire F&#;tima D Raffin Fernanda N Arag&#;o C&#;cero Fl&#;vio Soares Moura T&#;lio F A L |
| Institution: | 1.Núcleo de Pesquisa em Alimentos e Medicamentos, Universidade Federal do Rio Grande do Norte, Av. Sen. Salgado Filho, Lagoa Nova, Natal, RN, 59072-970, Brazil ;2.Departamento de Farmácia, Universidade Federal do Rio Grande do Norte, Av. Sen. Salgado Filho, Lagoa Nova, Natal, RN, 59072-970, Brazil ; |
| Abstract: | The aim of the present paper was to develop and validate a method to determine gallic acid and tannins by LC. Validation was carried out in accordance with Brazilian Resolution 899/2003. The method showed satisfactory results for precision, accuracy, specificity and linearity. Variations on the composition and flow rate of the mobile phase influenced the peak area and retention time. The method was applied to determine the amount of hydrolysable tannins in preparations containing Schinus terebinthifolius Raddi. |
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