Abstract
Purpose
The effects of orally administered β-lactoglobulin hydrolysate-iron complex (β-LGH-Fe) on haematological and biochemical parameters in anaemic rats were evaluated. Female weaning Sprague–Dawley rats were fed with iron-deficient diet to induce iron deficiency anaemia. After 6 weeks, the obtained anaemic rats were divided into five groups: iron deficiency control group (iron-deficient diet without β-LGH-Fe complex supplementation, IDC); three groups supplemented with different dosages of β-LGH-Fe complex (0.5 mg Fe/kg BW, iron-deficient diet with low β-LGH-Fe, IDLFe; 2.0 mg Fe/kg BW, iron-deficient diet with medium β-LGH-Fe, IDMF; 4.0 mg Fe/kg BW, iron-deficient diet with high β-LGH-Fe, IDHFe); and ferrous sulphate-supplemented group at a dosage of 2.0 mg Fe/kg BW.
Results
β-LGH-Fe complex could significantly improve hematocrit and haemoglobin decrease, and normalise the serum iron level, total iron-binding capacity and transferrin saturation of anaemic rats in a dose-dependent manner. Serum ferritin content and hepatic nonheme iron level were also increased. In addition, the antioxidant enzyme activities of superoxidase dismutase, catalase and glutathione peroxidase in both plasma and liver homogenate were improved. The production of malondialdehyde and pro-inflammatory cytokines (TNF-α and IL-6) decreased.
Conclusions
It suggests that β-LGH-Fe complex can ameliorate iron deficiency anaemia, which might make it a potential ingredient with anti-anaemia activity.
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Abbreviations
- CTA:
-
Catalase
- Hb:
-
Haemoglobin
- HTC:
-
Haematocrit
- IDA:
-
Iron deficiency anaemia
- IL-6:
-
Interleukin-6
- GSH-Px:
-
Glutathione peroxidase
- MDA:
-
Malondialdehyde
- SOD:
-
Superoxidase dismutase
- TNF-α:
-
Tumour necrosis factor α
- TS:
-
Transferrin saturation
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Acknowledgments
We are grateful for the financial support of this work by the National Natural Science Foundation of China (Beijing, China; Grant No. 30972291) and Beijing Natural Science Foundation (Beijing, China; Grant No. 5102021). J. Z. and X. Y. M. worked on preparing the project design, data analysis, final revision and submission of manuscript. J. Z., T. A. and J. J. M. conducted the experiment with the animals and performed the laboratorial analysis. J. Z. and X. W. performed the statistical analysis. None of the authors had any conflict of interest related to their participation in this study. All authors have read and approved the final manuscript.
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Zhou, J., Mao, XY., Wang, X. et al. Anti-anaemia efficacy of β-lactoglobulin hydrolysate-iron complex on iron-deficient anaemic rats. Eur J Nutr 53, 877–884 (2014). https://doi.org/10.1007/s00394-013-0591-x
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DOI: https://doi.org/10.1007/s00394-013-0591-x