Results: 337

Assessment of aflatoxin B1 contamination in rice and maize

Rev. cuba. med. mil; 52 (3), 2023
Introduction: Aflatoxins B1 are among the most common poisonous mycotoxins produced by certain fungi that harm animals and crops. Mycotoxins can cause a variety of adverse health effects and pose a serious health threat to humans. The Maximum Residue Limits of aflatoxin B1 in processed cereals and ingred...

Chemical composition and antioxidant capacity of purified extracts of Prosopis pallida (Humb. & Bonpl. ex Willd.) Kunth (Fabaceae) fruits from Northern Peru

The purpose of this work was to evaluate the antioxidant capacity of Prosopis pallida (Fabaceae) fruits “algarrobo”, in addition to determine their main chemical components. Fruit purified extracts from the regions of Tumbes, Piura, Lambayeque, and La Libertad (Peru) were eval...

Evaluation of the acute toxicity and antidiabetic activity of Coutoubea spicata “nicolau” ethanolic extract and ethyl acetate fraction

In order to understand antidiabetic potential and toxicity, this study aimed to evaluate the acute toxicity and antidiabetic activity of ethanolic extract and ethyl acetate fraction obtained from Coutoubea spicata “nicolau” shoots. Chemical constituents and acute toxicity were investigated. In alloxa...

Estudio biodirigido de metabolitos secundarios con actividad antimicrobiana y aislamiento de D-pinitol de semillas de Leucaena esculenta y L. leucocephala

Phytochemical bio-guided studies are used to find compounds with biological activity. Flavonoids from seeds of Leucaena species have antimicrobial activity in strains of medical interest, therefore, fresh seeds were collected from the town of Tlayacapan, Morelos, Mexico. ...

Desarrollo inicial de un fitofármaco derivado del jugo de citrus limón (limón) para el tratamiento de crisis hipertensivas

Rev. chil. cardiol; 42 (2), 2023
Objetivo: Obtener un fitofármaco a base de extracto seco de limón con estándares de calidad, procesamiento amigable con el medio ambiente y con antecedentes de efectividad y seguridad, evaluando sus efectos en pacientes hipertensos con frecuentes crisis hipertensivas. Métodos y resultados: Se selecci...

Valorization of Campomanesia xanthocarpa leaves: chemical composition and antioxidant activity of crude extract and fractions

Campomanesia xanthocarpa leaves are a byproduct of fruit production without studies on antioxidant activity. Thus, this study aimed to identify the antioxidant compounds of C. xanthocarpaleaves by ultra-high performance liquid chromatography coupled with electrospray...

Anticancer activity of Inula graveolens by induction of ROS-independent apoptosis and suppression of IL6-IL8 in cervical cancer cells

Cancer is an important disease that causing to deaths in the world. Cervical cancer is one of the most common among women and must be treated quickly to prevent cell proliferation. Natural products have been used for cancer treatment due to their antiproliferative and apoptosis induction pro...

Gastroprotective effect of the crude ethanolic extract from the stem barks of Piptadenia viridiflora (Kunth) Benth. (Fabaceae)

The objective of this work was to evaluate the gastroprotective activity of the crude ethanolic extract (CEE) from the stem barks of Piptadenia viridiflora using the acute models of inducing gastric ulcers by ethanol, ethanol-acidified, and ischemia-reperfusion, and correlating thi...

The in vitro cytotoxicity against human melanoma cells, tyrosinase inhibition and antioxidant activity of Grewia tenax leaves extracts

Grewia tenax (Forssk.) Fiori (Malvaceae) grows in the Arabian Peninsula and is used for several medicinal purposes. To characterize the dermatological bioactivities of G. tenax in terms of its antimelanoma, antityrosinase and antioxidant activities. Cytotoxicity was assesse...

In vitro antiparasitic and antibacterial evaluation of organic extracts of Salvadoran flora

Currently, in developing countries, parasitic and bacterial diseases as amebiasis, giardiasis, trichonomiasis, leishmaniasis, trypanosomiasis, tuberculosis, and nocardiasis are a public health problem. The pharmacological treatment for these diseases is not completely effective and c...