Journal
FOOD CHEMISTRY
Volume 170, Issue -, Pages 303-307Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2014.08.059
Keywords
Purine contents; HPLC; Pork; Beef; Hyperuricemia; Gout
Funding
- Grant from Dietary Nutrition Research and Education Fund of Danone Institute Center [DIC2008-002]
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Determination of adenine, hypoxanthine, guanine and xanthine in different parts of pork and beef using high performance liquid chromatography was described. Chromatographic separation was carried out on Waters Atlantis T-3 column (4.6 mm x 250 mm x 5 pm) with column temperature at 30 degrees C. The mobile phase contained 99% 10.0 mmol/L ammonium formate solution at pH 3.6 and 1.0% methanol. Chromatography was achieved at a flow rate of 1.0 mL/min and detection wavelength at 254 nm. The results indicated that total purine amounts in pork rump and beef sirloin were higher than those in other parts (P < 0.05). The principal purine bases were hypoxanthine and adenine, and hypoxanthine content was the most highest in all samples (P < 0.05). As pork rump and beef sirloin contain considerable amounts of total purine and uricogenic purine base, we suggest that excess consumption of them be avoid, whereas pork loin chop and beef rib eye are more suitable for a low-purine diet. (C) 2014 Elsevier Ltd. All rights reserved.
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