Novel Spectrophotometric Method for the Quantitation of Urinary Xanthurenic Acid and Its Application in Identifying Individuals with Hyperhomocysteinemia Associated with Vitamin <svg     style="vertical-align:-4.47125pt;width:21.4625px;" id="M1" height="20.262501" version="1.1" viewBox="0 0 21.4625 20.262501" width="21.4625"  xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg">
	
		
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</svg> Deficiency

<table>Correlation of results of XA concentrations obtained by the proposed method and those determined by an established HPLC method (a) or with an established fluorometric procedure (b).</table>

BioMed Research International

fig4

Figure 4

Figure 4: Novel Spectrophotometric Method for the Quantitation of Urinary Xanthurenic Acid and Its Application in Identifying Individuals with Hyperhomocysteinemia Associated with Vitamin <svg     style="vertical-align:-4.47125pt;width:21.4625px;" id="M1" height="20.262501" version="1.1" viewBox="0 0 21.4625 20.262501" width="21.4625"  xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg">
	
		
			<g transform="matrix(.022,-0,0,-.022,.062,14.638)"><path id="x42" d="M372 352v-2q176 -27 176 -159q0 -99 -95 -151q-73 -40 -196 -40h-221v28q65 5 78.5 19t13.5 76v404q0 63 -12 77t-72 18v28h257q102 0 150 -34q26 -18 41 -48.5t15 -65.5q0 -111 -135 -150zM213 362h47q80 0 117.5 32t37.5 96q0 56 -33 92t-100 36q-41 0 -56 -10
q-13 -8 -13 -50v-196zM213 328v-203q0 -54 17 -72.5t66 -18.5q67 1 110.5 37t43.5 110q0 147 -192 147h-45z" /></g>

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t96 -62.5q53 0 78 45.5t25 105.5q0 68 -35 116t-99 48z" /></g>

		
	
</svg> Deficiency 

Figure 4 | Novel Spectrophotometric Method for the Quantitation of Urinary Xanthurenic Acid and Its Application in Identifying Individuals with Hyperhomocysteinemia Associated with Vitamin 
	
		
			

			

		
	
 Deficiency 

BioMed Research International

Novel Spectrophotometric Method for the Quantitation of Urinary Xanthurenic Acid and Its Application in Identifying Individuals with Hyperhomocysteinemia Associated with Vitamin Deficiency

Figure 4