STIMULTANEOUS DETERMINATION OF NARINGIN AND TWO PRESERVATIVES DEVELOPMENT IN YOUNG POMELO EXTRACT
Main Article Content
Abstract
Objectives: To develop an analytical methodology to simultaneously determine naringin and two preservatives (sodium benzoate and potassium sorbate) in extract of young pomelo. Subjects and methods: Naringin, sodium benzoate and potassium sorbate in young pomelo extract were determined by HPLC method. Results: Chromatographic separation was made with C18 column using acetonitrile – acetic acid 0.1 % (20 : 80) as the mobile phase at 1,0 ml/min and detected at 235 nm. The process was validated the system suitsability; selectivity; linearity range of naringin (10.0 – 500.0 (ppm); y = 9902.5x; R2 = 1.0000), potassium sorbate (0.4 – 20.0 (ppm); y = 34597x; R2 = 1.0000), and sodium benzoate (0.4 – 20.0 (ppm); y = 35395x; R2 = 1.0000); precision of both three compounds with RSD < 2.0%; and accuracy with recovery ratio in 98 – 102 (%). Conclusion: The process could be applied to determine the content of marker and preservatives in young pomelo extract.
Article Details
Keywords
naringin, sodium benzoate, potassium sorbate, young pomelo extract, HPLC.
References
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