Pengaruh suplementasi β-carotene terhadap kadar glukosa darah dan kadar malondialdehida pada tikus sprague dawley yang diinduksi Streptozotocin

*Elida Soviana  -  Dosen Program Studi Ilmu Gizi, Fakultas Ilmu Kesehatan, Universitas Muhammadiyah Surakarta, Indonesia
Banundari Rachmawati  -  Dosen Patologi Klinik, Fakultas Kedokteran, Universitas Diponegoro, Indonesia
Nyoman Suci Widyastiti  -  Dosen Patologi Klinik, Fakultas Kedokteran, Universitas Diponegoro, Indonesia
Published: 11 Jun 2014.
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Section: Articles
Language: EN
Statistics: 900 2080
Abstract

Background : Hyperglycemia on diabetes mellitus can cause increasing of free radicals production. Free radicals caused lipid peroxidation reaction by forming malondialdehyde (MDA). β-carotene has antioxidant activity may inhibit the formation of ROS.

Objective : To prove the effect of multilevel doses β-carotene 1 mg/kg BW, 20 mg/kg BW and 20 mg/kg BW on alternate days within 30 days orally supplementation on blood glucose level and MDA level on Sprague Dawley male rats induced by streptozotocin (STZ).

Methods : Thirty rats were randomly divided into 5 groups: X1=Negative control/diabetic, X2 (STZ 40 mg/kg BW + BC 1 mg/kg BW), X3 (STZ 40 mg/kg BW + BC 10mg/kg BW), X4 (STZ 40 mg/kg BW + BC 20 mg/kg BW), X5 (technic control/non diabetic). β-Carotene supplementation was given by nasogastric tube on alternate days within thirty days. Blood glucose level was measured by GOD-PAP and MDA level by ELISA with TBARS methods. Data was analized using paired t-test, wilcoxon, one way anova and post hoc bonferroni.

Results : there was a significant difference of blood glucose level (p = 0,0001) and MDA level (p = 0,0001) after suplementation β-carotene on alternate days within 30 days orally. β-carotene 10 mg/kg BW was the most effective and efficient dose to lowering blood glucose, while 20 mg/kg BW to lowering MDA level.

Conclusion : The multilevel doses β-carotene (1 mg/kg BW, 10 mg/kg BW and 20 mg/kg BW) on alternate days within 30 days orally supplementation can decrease blood glucose and MDA level. β-carotene 10 mg/kg BW is the most effecetive and efficient to decrease blood glucose and β-carotene 20 mg/kg BW to decrease MDA level.

Keywords: β-carotene, blood glucose level, MDA level, diabetes mellitus

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