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논문 기본 정보

자료유형
학술저널
저자정보
Ebuka E. David (Alex Ekwueme Federal University Ndufu-Alike Ikwo) Muhammad A. Yameen (COMSATS University Abbottabad Campus) Ikechuku O. Igwenyi (Ebonyi State University) Chidinma N. David (Ebonyi State University) Valentine Nwobodo (Nnamdi Azikiwe University) Akindele K. Ismail (Alex Ekwueme Federal University Ndufu-Alike Ikwo)
저널정보
대한소아소화기영양학회 Pediatric Gastroenterology, Hepatology & Nutrition Pediatric Gastroenterology, Hepatology & Nutrition 제25권 제1호
발행연도
2022.1
수록면
79 - 86 (8page)
DOI
10.5223/pghn.2022.25.1.79

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Purpose: To determine the effect of zinc deficiency on fecal protein, electrolyte, and shortchain fatty acid levels in both heat-stable (ST) and heat-labile (LT) enterotoxigenic Escherichia coli (ETEC)-induced diarrhea in rats. Methods: Albino rats, weighing 100 to 150 g, were divided into 2 groups, with 15 animals each: non-zinc and zinc-deficient. These two groups were sub-divided into three sub-groups with five rats each: control (saline); LT-ETEC; and ST-ETEC. Sodium phytate (30 mmol/L) was added to the animals’ water to induce zinc deficiency, while diarrhea was induced using 5×109 ETEC cells/mL. Fecal protein levels were estimated using the Bradford method, while sodium and potassium levels were determined using atomic absorption spectrophotometry. Shortchain fatty acids were measured using gas chromatography-mass spectrometry. Results: Among the non-zinc and zinc-deficient groups, there were significant increases (p=0.04), (p=0.03) in fecal protein concentrations (mg/mL) in the LT-ETEC- (4.50±0.33), (6.50±0.26) and ST-ETEC- (3.85±0.19), (5.98±0.32) induced groups compared to the control groups (2.60±0.52), (3.50±0.11) respectively. Fecal sodium and potassium levels (mg/L) were significantly (p=0.029) increased in non-zinc-deficient rats induced with LT-ETEC (9.35±0.95, 1.05±0.48), and ST-ETEC (9.96±1.02, 1.21±0.45) compared with the control group (8.07±0.44, 0.47±0.17) but the increase were not statistically significant (p=0.059) in the zinc deficient rat groups. Fecal acetate and propionate levels (mg/g) significantly (p=0.032) increased when induced with LT-ETEC and ST-ETEC in non-zinc and zinc-deficient groups compared with the control groups. Conclusion: Zinc deficiency among rats with ETEC-induced diarrhea elevated fecal protein loss but may not have an effect on fecal sodium, potassium and short-chain fatty acid levels.

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