Modulation of the Hyperglycemia Condition in Diabetic Lab Rats with Extracts of the Creole Jamaica Flower (Hibiscus sabdariffa L.) from the Morelia Region (Mexico)

Author:

Suárez-Diéguez Teodoro1ORCID,Palma-Morales Marta23ORCID,Camacho Bernal Gloria Isabel1,Valdez López Erick Noe1,Rodríguez-Pérez Celia234ORCID,Cruz-Cansino Nelly del Socorro1ORCID,Nieto Juan Antonio5ORCID

Affiliation:

1. Área Académica de Nutrición, Instituto de Ciencias de la Salud, Universidad Autónoma del Estado de Hidalgo, Abasolo 600, Colonia Centro, Pachuca de Soto E42000, Hidalgo, Mexico

2. Biomedical Research Centre, Institute of Nutrition and Food Technology (INYTA) José Mataix, University of Granada, Av. Del Conocimiento s/n, E18071 Granada, Spain

3. Department of Nutrition and Food Science, Faculty of Farmacy, University of Granada, Cartuja Campus, E18011 Granada, Spain

4. Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), E18012 Granada, Spain

5. Bioactivity and Nutritional Immunology Group (BIOINUT), Faculty of Health Science, Universidad Internacional de Valencia (VIU), Calle Pintor Sorolla 21, E46002 Valencia, Spain

Abstract

Extracts from Jamaica flowers (Hibiscus sabdariffa) from Morelia (Mexico) were evaluated as antidiabetic ingredients in a diabetic rat lab model for 80 days at doses of 200, 400, and 600 mg extract/kg rat weight. The hydroalcoholic extract (water:ethanol 80:20 (v/v) at 50 °C) showed a TPC value of 403.28 ± 7.71 mg GAE/g extract, and an antioxidant activity of 0.219 ± 0.00003 mmol Trolox/g (ABTS) and 0.134 ± 0.00001 mmol Trolox/g (DPPH). The extract allowed reducing the diabetic glucose plasma levels under fasting conditions in a dose-dependent manner by 35.2%, 41.63%, and 50.1%. Additionally, the highest dose of the extract (600 mg/kg) slightly reduced the short-term postprandial glucose response while improving the long-term response, reducing hyperglycemia by 45.1%. The same dose also improved lipid metabolism by reducing total cholesterol, triglycerides, VLDL, and LDL, while the HDL level increased. The improvement in glucose and lipid management in the treated groups also led to reduced levels of glycosylated hemoglobin, as well as lower insulin resistance (TyG index), compared to the diabetic control group. The results of this study suggest that extracts from Hibiscus sabdariffa (Morelia) can be used as potential functional ingredients or nutraceuticals for managing the diabetic condition.

Publisher

MDPI AG

Reference44 articles.

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