Mauritia flexuosa L.f. is a palm tree which presents great morphological variability (morphotypes), represented mainly by the mesocarp color of its fruits. The objective of the study was to characterize the physicochemical and antioxidant properties of three morphotypes of Mauritia flexuosa L.f. (Yellow, Colour and Shambo) of greater economic importance in the Peruvian Amazon. Shambo showed a significantly high content of bioactive compounds (total phenolics, flavonoids and carotenoids) and DPPH radical scavenging activity compared to the Yellow and Colour morphotypes (p <= 0.05). There was a significant correlation between DPPH radical scavenging activity and total phenolics, flavonoids and carotenoids (p <= 0.01). Furthermore, milk-based beverages enriched with carotenoids of those morphotypes of Mauritia flexuosa L.f. have been shown to be a good source of bioactive compounds for use ...

Mashua (Tropaeolum tuberosum R. & P.) es un cultivo andino de alto valor nutricional y propiedades medicinales, que presenta una gran diversidad en morfología y color. El objetivo del estudio fue evaluar el contenido de compuestos fenólicos y la actividad antioxidante in vitro de las accesiones de mashua de mayor importancia económica en la Región Puno, Perú. Se evaluaron seis accesiones de mashua (tres de color púrpura y tres de color amarillo). El contenido de polifenoles totales, flavonoides totales e identificación de compuestos fenólicos se determinó mediante el ensayo de Folin-Ciocalteu, método colorimétrico de cloruro de aluminio y HPLC-DAD, respectivamente. La actividad antioxidante in vitro se evaluó mediante los ensayos FRAP y DPPH. En general, la mashuas de color púrpura presentaron un contenido significativamente mayor de polifenoles totales, flavonoides totales,...

Introduction: Eryngium foetidum, commonly known as sacha culantro, is a plant that grows in the Peruvian Amazonian jungle, studied for its high concentration of antioxidant substances and various ethnopharmacological properties. The main goal of the study is to observe the cytoprotective and antioxidant effect of the extract from its leafs in Mus musculus previously administered with Sodium fluoride (NaF) using the Micronucleus test and the Comet assay. Methods: The extract was administrated orally in four different concentrations: 180, 360, 720, 1440 mg/Kg for ten days, at the 11th day a single dose of NaF was administrated via intraperitoneal at 20 mg/Kg. The genotoxicity study was made with mice from the strain BALB/c, using the Micronucleus test on bone marrow and the Comet assay on peripheral blood according the OECD guides 474 and 489 respectively. The statistical analysis was made...

Cocoa contains bioactive components, which vary according to genetic and environmental factors. The present study aimed to ascertain the anti-allergic properties of native Peruvian cocoa populations (“Blanco de Piura” or BPC, “Amazonas Peru” or APC, “Criollo de Montaña” or CMC, “Chuncho” or CCC, and an ordinary cocoa or OC). To do so, after an initial in vitro approach, an in vivo study focused on the induction of an anaphylactic response associated with allergic asthma in Brown Norway rats was carried out. Based on their polyphenol content, antioxidant activity and in vitro effects, the APC and CMC were selected to be included in the in vivo study. Cocoa diets were tested in a model of allergic asthma in which anaphylactic response was assessed by changes in body temperature, motor activity and body weight. The concentration of specific immunoglobulin E (IgE), mast cell...