Original Article
Copyright ©2009 The WJG Press and Baishideng.
World J Gastroenterol. Dec 7, 2009; 15(45): 5674-5684
Published online Dec 7, 2009. doi: 10.3748/wjg.15.5674
Figure 1
Figure 1 Urinary excretion patterns of 2Py and N1-methylnicotinamide in diabetic and non-diabetic subjects. A and B: Representative HPLC chromatograms of urinary excretions of 2Py (indicated by arrow) and N1-methylnicotinamide (NMN) of a non-diabetic (Aa and Ba) and a diabetic (Ab and Bb) subject, before and after 100 mg nicotinamide loading at 7:00 am Urine samples taken at given time were normalized to equal volumes before HPLC analysis; C and D: Summaries of the results from the measurements shown in A and B, respectively. Bar graphs indicate mean ± SD.