Antioxidant and anti-diabetic potential of Passiflora alata Curtis aqueous leaves extract in type 1 diabetes mellitus (NOD-mice)

被引:36
作者
Colomeu, T. C. [1 ]
Figueiredo, D. [1 ]
Cazarin, C. B. B. [2 ]
Schumacher, N. S. G. [1 ]
Marostica, M. R., Jr. [2 ]
Meletti, L. M. M. [3 ]
Zollner, R. L. [1 ]
机构
[1] Univ Estadual Campinas, Fac Med Sci, Dept Internal Med, BR-13083887 Campinas, SP, Brazil
[2] Univ Estadual Campinas, Sch Food Engn, Dept Food & Nutr, BR-13083862 Campinas, SP, Brazil
[3] Agron Inst Campinas, BR-13012970 Campinas, SP, Brazil
基金
巴西圣保罗研究基金会;
关键词
Antioxidant capacity; Passiflora alata Curtis; Glutathione (GSH); Type 1 Diabetes mellitus; Non-obese diabetic mice; PROINFLAMMATORY CYTOKINES; OXIDATIVE STRESS; END-PRODUCTS; EXPRESSION; CONSTITUENTS; POLYPHENOLS; RECEPTOR; ASSAYS;
D O I
10.1016/j.intimp.2013.11.005
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
Leaves of Passiflora alata Curtis were characterized for their antioxidant capacity. Antioxidant analyses of DPPH, FRAP, ABTS, ORAC and phenolic compounds were made in three different extracts: aqueous, methanol/acetone and ethanol. Aqueous extract was found to be the best solvent for recovery of phenolic compounds and antioxidant activity, when compared with methanol/acetone and ethanol. To study the anti-inflammatory properties of this extract in experimental type 1 diabetes, NOD mice were divided into two groups: the P. alata group, treated with aqueous extract of P. alata Curtis, and a non-treated control group, followed by diabetes expression analysis. The consumption of aqueous extract and water ad libitum lasted 28 weeks. The treated-group presented a decrease in diabetes incidence, a low quantity of infiltrative cells in pancreatic islets and increased glutathione in the kidney and liver (p <0.05), when compared with the diabetic and non-diabetic control-groups. In conclusion, our results suggest that the consumption of aqueous extract of P. alata may be considered a good source of natural antioxidants and compounds found in its composition can act as anti-inflammatory agents, helping in the control of diabetes. (C) 2013 Elsevier B.V. All tights reserved.
引用
收藏
页码:106 / 115
页数:10
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