AN IMPROVED SIMPLE AND PRECISE HPLC METHOD FOR DETERMINATION OF FOLIC ACID IN FORTIFIED WHEAT FLOURS AND BREADS WITH FLUORESCENCE DETECTION

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HEYDARI AMIR; VARDAST MOHAMMAD REZA; YEGANEH ZARE SAMAL

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Journal: Studies in Medical Sciences Year:2015 | Volume:25 | Issue:12 Page(s): 1102-1111

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Title

AN IMPROVED SIMPLE AND PRECISE HPLC METHOD FOR DETERMINATION OF FOLIC ACID IN FORTIFIED WHEAT FLOURS AND BREADS WITH FLUORESCENCE DETECTION

Author(s)

HEYDARI AMIR | VARDAST MOHAMMAD REZA | YEGANEH ZARE SAMAL | Issue Writer Certificate

Keywords

FOLIC ACIDQ2

HPLCQ3

FLOURQ3

BREADQ2

Abstract

Background & Aims: FOLIC ACID is one of the important hematopoietic agents necessary for proper regeneration of the blood forming elements and their functioning. Since humans cannot synthesize folates, they must be obtained from dietary sources. The most important dietary sources of folates are fortified foods and cereal products with folate content of 50-200 mg/100 g. In Iran the majority of people consume BREAD as an ideal food because of its low price and availability. The objective of this study was to develop a simple and precise High Performance Liquid Chromatography (HPLC) method for determination of FOLIC ACID in enriched wheat FLOURs and BREAD.Materials & Methods: The method combines several procedures including an extraction technique, oxidation of FOLIC ACID to increase fluorescent properties, and an improved HPLC with fluorescence detection method. The method was performed on a C18 analytical column. The mobile phase consisted of a mixture of methanol and pure water (20/80).The elute was continuously monitored using a fluorescence detector (lex 296 nm and lem 440 nm).Results: The standard curve for FOLIC ACID passed through the origin and was linear over the range 0.1 – 8 mg/L. The peak of FOLIC ACID appeared as sharp with retention times of 1.12 minutes. The intra-day coefficient of variation was evaluated in the range of 3.09-7.82 mg/L. The Inter day coefficients of variation for the method ranged between 2.37 and 5.07 mg/L. The accuracy of the method ranges between 99.2% and 103.7% for intra-day analysis and 98.8% and 106.9% for inter-days analysis. The limit of determination for FOLIC ACID was 0.03 mg/L. The mean concentration of FOLIC ACID was 102 mg and 85 mg per 100 gram of FLOUR and BREAD respectively. The amount of FOLIC ACID was decreased during preparation and fermentation process (16.67%).Conclusions: The obtained results indicated that this method is a rapid, sensitive, and precise technique for measurement of FOLIC ACID in enriched wheat FLOURs and BREADs.

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APA: Copy

HEYDARI, AMIR, VARDAST, MOHAMMAD REZA, & YEGANEH ZARE, SAMAL. (2015). AN IMPROVED SIMPLE AND PRECISE HPLC METHOD FOR DETERMINATION OF FOLIC ACID IN FORTIFIED WHEAT FLOURS AND BREADS WITH FLUORESCENCE DETECTION. STUDIES IN MEDICAL SCIENCE (THE JOURNAL OF URMIA UNIVERSITY OF MEDICAL SCINCES), 25(12), 1102-1111. SID. https://sid.ir/paper/63954/en

Vancouver: Copy

HEYDARI AMIR, VARDAST MOHAMMAD REZA, YEGANEH ZARE SAMAL. AN IMPROVED SIMPLE AND PRECISE HPLC METHOD FOR DETERMINATION OF FOLIC ACID IN FORTIFIED WHEAT FLOURS AND BREADS WITH FLUORESCENCE DETECTION. STUDIES IN MEDICAL SCIENCE (THE JOURNAL OF URMIA UNIVERSITY OF MEDICAL SCINCES)[Internet]. 2015;25(12):1102-1111. Available from: https://sid.ir/paper/63954/en

IEEE: Copy

AMIR HEYDARI, MOHAMMAD REZA VARDAST, and SAMAL YEGANEH ZARE, “AN IMPROVED SIMPLE AND PRECISE HPLC METHOD FOR DETERMINATION OF FOLIC ACID IN FORTIFIED WHEAT FLOURS AND BREADS WITH FLUORESCENCE DETECTION,” STUDIES IN MEDICAL SCIENCE (THE JOURNAL OF URMIA UNIVERSITY OF MEDICAL SCINCES), vol. 25, no. 12, pp. 1102–1111, 2015, [Online]. Available: https://sid.ir/paper/63954/en

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