Three week dietary intervention using apricots, pomegranate juice or/and fermented sour sobya and impact on biomarkers of antioxidative activity, oxidative stress and erythrocytic glutathione transferase activity among adults

Table 3 Initial and final mean urinary polyphenols, plasma and urinary antioxidative activity, urinary TBARS and erythrocytic GST activity among subjects receiving different dietary supplements

Parameter	Unit	Control			Apricot			Pomegranate			Pomegranat+Sobya			Sobya
		Baseline	Final		Baseline	Final		Baseline	Final		Baseline	Final		Baseline	Final
		x̄±SE	x̄±SE	P	x̄±SE	x̄±SE	P	x̄±SE	x̄±SE	P	x̄±SE	x̄±SE	P	x̄±SE	x̄±SE	P
Urinary polyphenol	GAE/mg creat	10.36±1.8	8.11±2.2		18.47±9.7	10.36±2.2		5.70±1.4	55.23±21.7	<0.05	10.40±3.2	21.62±7.3		11.84±6.2	9.86±1.8
Urinary Antioxidant activity	AEAC/mg creat*	9.74±2.0	8.13±2.7		4.25±0.9	7.56±2.9		7.18±0.9	46.57±18.0	<0.05	10.90±2.4	20.25±3.9		3.89±0.9	10.30±2.3
Urinary TBARS	μg/mg creat	83.04±12.1	75.17±15.3		68.82±30.9	50.19±7.7		173.93±44.8	51.48±8.2	<0.05	157.70±47.8	40.62±8.3	<0.05	82.77±27.8	29.97±4.4
Plasma antioxidant	AEAC/100 ml	6.36±2.81	5.99±2.66		4.16±0.51	3.90±0.86		3.64±0.30	5.92±0.68	<0.05	2.78±0.11	4.49±0.58	<0.05	3.70±0.33	4.55±0.27
E-GST Activity	IU/g Hb	5.94±3.3	5.45±4.1		4.64±1.2	3.97±0.8		4.73±1.0	8.34±1.0		4.56±1.0	6.90±1.0		4.26±0.5	7.21±0.8	<0.05

x̄±SE: Mean ± standard Error, * : mmol ascorbic acid equivalent antioxidant capacity / mg creatinine, GAE : gallic acid equivalent; Mean values are significantly different if the P-Values are less than 0.05 (P<0.05)

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