INTRODUCTION Hyperglycemia plays an important role in the pathogenesis of diabetic complications, as it increases protein glycation, as well as the progressive accumulation of advanced glycation end products (AGEs), which are complex structures that produce fluorescence. The glycation reaction raises the levels of protein carbonyl, N ε-(carboxymethyl)lysine (CML), and fructosamine and decreases...

The present study examined effects of alpha-mangostin (α-MG) supplementation on the retinal microvasculature, including ocular blood flow (OBF) and blood-retinal barrier (BRB) permeability in a type 2 diabetic animal model. Male Sprague-Dawley rats were divided into four groups: normal control and diabetes with or without α-MG supplementation. Alpha-mangostin (200 mg/Kg/day) was administered by...

Non-enzymatic glycation of proteins is the major cause of diabetic complications and therefore, inhibition of this reaction could reduce the morbidity of this disease. The aim of this study was to evaluate the in vitro effects of aqueous and hydroethanol extracts of Echium italicum L., Anchusa arvensis L. and Trichodesma incanum (Bunge) A. DC. of Boraginaceae on albumin, hemoglobin, and crystal...

Diabetes mellitus (DM) is a metabolic disorder characterized by chronic hyperglycemia. Although the clear mechanisms of DM and insulin resistance are still to be cleared, it has been well documented that reactive oxygen species (ROS) play a pivotal role in DM and multiple types of insulin resistance. For the past few years, natural substances have been shown to have the potential to treatment D...

Three iridoids (lamalbid (I1), sesamoside (I2) and shanzhiside methyl ester (I3)) and seven polyphenols (cistanoside F (P1), chlorogenic acid (P2), pedalitin-6-O-laminaribioside (P3), pedaliin (P4), isoacteoside (P6), pedalitin (P7) and martynoside (P8)) were identified in young sesame leaves (Sesamum indicum L.) other than the acteoside (P5) reported previously. P3 was a new compound, and I1, ...

Abstract Protein glycation, a post-translational modification found in biological systems, is often associated with core defect glucose metabolism. In particular, advanced glycation endproducts are complex heterogeneous sugar-derived protein modifications implicated the progression of pathological conditions such as atherosclerosis, diabetic complications, skin diseases, rheumatism, hypertensio...

The species Calophyllum brasiliense Cambés (Calophyllaceae) is widespread throughout Central and South America. stem bark infusion used for lowering blood glucose. Aim: To optimize the spray dry extract of this plant using a D-optimal experimental design. Materials methods: As factors were air-drying speed (3.5-4.5 m3/h), feed flow rate suspension (5-11 mL/min), inlet air temperature (90-130 °C...