Results 71 to 80 of about 5,725 (181)

Purification and Antimicrobial Properties of Oleuropein. [PDF]

Olive leaves contain substantial amounts of phenolic substances, including the polyphenol oleuropein. This compound has been reported as containing antimicrobial properties. The purpose of this study was to develop an improved method for the extraction and purification of oleuropein from olive leaves and characterise its activity as well as the mode of
openaire   +1 more source

Stability of oleuropein in the human proximal gut

Journal of Pharmacy and Pharmacology, 2009
Abstract Objectives We aimed to assess the intralumenal stability of oleuropein in human gastric and small intestinal contents. We additionally aimed to assess the stability characteristics of oleuropein in media simulating the intralumenal conditions.
Markopoulos, C., Vertzoni, M., Agalias, A., Magiatis, P., Reppas, C.   +4 more
openaire   +3 more sources

Reduction of astringency and evaluation of bioactivity of compounds produced by enzymatic glycosylation of oleuropein

NFS Journal
Olive leaves are treated as a waste product during olive oil production. However, they contain a higher concentration of the important bioactive compound oleuropein than the oil itself.
Yiqian Zhang, Yujia Zhang, Shigeki Yoshida   +2 more
doaj   +1 more source

Effects of Adding Punicalagin or Oleuropein to TRIS Diluent on Quality of Frozen–Thawed Semen from Rams

Animals
This study aimed to investigate the effects of adding different levels of punicalagin or oleuropein to TRIS diluent on the quality of frozen–thawed semen from Najdi rams.
Mohamed Shehab-El-Deen, Mohamed Ali, Ibrahim Alolayan, Abdullah Aljuaythin, Yasser Alrauji, Soliman Aldobaib, Shaaban S. Elnesr   +6 more
doaj   +1 more source

Effects of oleuropein on malondialdehyde level and expression of GluN2B gene following passive avoidance memory impairment in mice

Majallah-i Dānishgāh-i ’Ulūm-i Pizishkī-i Īlām, 2021
Introduction: Oleuropein is the most important phenolic compound in olive leaves which has several pharmacological properties. So far, this compound has been shown to have antioxidant, anti-inflammatory, anti-atrogenic, antimicrobial, and antiviral ...
Gelavij Mahmoodi, Azam Moshfegh
doaj  

Antitumor Perspectives of Oleuropein [PDF]

Journal of Food Science, 2019
Jose M, Moran, Olga, Leal-Hernandez, Raul, Roncero-Martin, Juan D, Pedrera-Zamorano   +3 more
openaire   +2 more sources

Oleuropein-Rich Olive Leaf Extracts May Ameliorate Consequences of Glucose-Induced Oxidative Stress in Hep G2 Cells

Natural Product Communications, 2018
Olive leaf is reputed to have many beneficial health-related properties, often attributed to the iridoid glycoside oleuropein. In this work, the composition and antioxidant activity of oleuropein-rich olive leaf extracts prepared by ultrasonication were ...
Mirjana Amidžić, Patricia Marić, Barbara Fumić, Roberta Petlevski, Kristina Bljajić, Marijana Zovko Končić   +5 more
doaj   +1 more source

Antiproliferative Properties of Oleuropein in Human Osteosarcoma Cells

Natural Product Communications, 2016
In this study, we evaluated the antiproliferative activity on two human osteosarcoma cell lines (MG-63 and Saos2) of oleuropein, an olive oil compound traditionally found in the Mediterranean diet.
Jose M. Moran, Olga Leal-Hernandez, Maria L. Canal-Macías, Raul Roncero-Martin, Rafael Guerrero-Bonmatty, Ignacio Aliaga, Juan D. Pedrera Zamorano   +6 more
doaj   +1 more source

The Role of Oleuropein, Derived from Olives, in Human Skin Fibroblast Cells: Investigating the Underlying Molecular Mechanisms of Cytotoxicity and Antioxidant and Anti-Inflammatory Activities

International Journal of Clinical Practice
Oleuropein is the main compound in olives, producing a relatively bitter taste for unprocessed and raw olives. It has been dramatically applied in herbal and traditional medicine and contains several biological functions, anti-inflammatory effects ...
Vahid Asghariazar, Fatemeh Vahidian, Arash Karimi, Soheil Abbaspour-Ravasjani, Behzad Mansoori, Elham Safarzadeh   +5 more
doaj   +1 more source

Microchannels Effective Method for the Extraction of Oleuropein Compared with Conventional Methods

Journal of Chemistry, 2017
Different methods of oleuropein extraction from olive leaf were investigated, including maceration, soxhlet, ultrasonic-assisted extraction, and microchannel.
Mahnaz Yasemi, Amir Heydarinasab, Masoud Rahimi, Mehdi Ardjmand   +3 more
doaj   +1 more source