期刊
EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE
卷 2016, 期 -, 页码 -出版社
HINDAWI LTD
DOI: 10.1155/2016/8934362
关键词
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资金
- University Research Fund (URF), Cape Peninsula University of Technology
Background. Hypoxis hemerocallidea is a native plant that grows in the Southern African regions and is well known for its beneficial medicinal effects in the treatment of diabetes, cancer, and high blood pressure. Aim. This study evaluated the effects of Hypoxis hemerocallidea on oxidative stress biomarkers, hepatic injury, and other selected biomarkers in the liver and kidneys of healthy nondiabetic and streptozotocin-(STZ-) induced diabetic male Wistar rats. Materials and Methods. Rats were injected intraperitoneally with 50mg/kg of STZ to induce diabetes. The plant extract-Hypoxis hemerocallidea (200mg/kg or 800mg/kg) aqueous solutionwas administered (daily) orally for 6 weeks. Antioxidant activities were analysed using a Multiskan Spectrumplate reader while other serum biomarkers were measured using the RANDOX chemistry analyser. Results. Both dosages (200mg/kg and 800 mg/kg) of Hypoxis hemerocallidea significantly reduced the blood glucose levels in STZ-induced diabetic groups. Activities of liver enzymes were increased in the diabetic control and in the diabetic group treated with 800mg/kg, whereas the 200mg/kg dosage ameliorated hepatic injury. In the hepatic tissue, the oxygen radical absorbance capacity (ORAC), ferric reducing antioxidant power (FRAP), catalase, and total glutathione were reduced in the diabetic control group. However treatment with both doses improved the antioxidant status. The FRAP and the catalase activities in the kidney were elevated in the STZ-induced diabetic group treated with 800mg/kg of the extract possibly due to compensatory responses. Conclusion. Hypoxis hemerocallidea demonstrated antihyperglycemic and antioxidant effects especially in the liver tissue.
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