Chemical composition, antioxidant activities, in an allergic asthma model, of Olea europaea L. leaf extracts from Collo (Skikda, Algeria)

2019 ◽  
pp. 1-12
Author(s):  
Zineb Rouibah ◽  
Amir Ben Mensour ◽  
Ons Rekik ◽  
Mahieddine Boumendjel ◽  
Faiza Taibi ◽  
...  
Keyword(s):  
Chemical Composition ◽  
Allergic Asthma ◽  
Olea Europaea ◽  
Antioxidant Activities ◽  
Leaf Extracts ◽  
Olea Europaea L ◽  
Asthma Model ◽  
Olea Europaéa

scholarly journals Evaluation of Phytochemical and Antioxidant Properties of 15 Italian Olea europaea L. Cultivar Leaves

Molecules ◽  
2019 ◽  
Vol 24 (10) ◽  
pp. 1998 ◽  
Author(s):  
Francesca Nicolì ◽  
Carmine Negro ◽  
Marzia Vergine ◽  
Alessio Aprile ◽  
Eliana Nutricati ◽  
...  
Keyword(s):  
Superoxide Anion ◽  
Olea Europaea ◽  
Antioxidant Activities ◽  
Antioxidant Properties ◽  
Dry Weight ◽  
Total Phenolic ◽  
Therapeutic Effects ◽  
Leaf Extracts ◽  
Olea Europaea L ◽  
Olea Europaéa

Olive leaf extracts are of special interest due to their proven therapeutic effects. However, they are still considered a by-product of the table olive and the oil industries. In order to learn possible ways of exploiting this waste for health purposes, we investigated the phytochemical profiles and antioxidant activities in the leaves of 15 Italian Olea europaea L. cultivars grown in the same pedoclimatic conditions. The phenolic profiles and amounts of their seven representative compounds were analyzed using HPLC ESI/MS-TOF. The antioxidant activities were determined using three different antioxidant assays (DPPH, ORAC, and superoxide anion scavenging assay). Wide ranges of total phenolic content (11.39–48.62 g GAE kg−1 dry weight) and antioxidant activities (DPPH values: 8.67–29.89 µmol TE mg−1 dry weight, ORAC values: 0.81–4.25 µmol TE mg−1 dry weight, superoxide anion scavenging activity values: 27.66–48.92 µmol TE mg−1 dry weight) were found in the cultivars. In particular, the cultivars Itrana, Apollo, and Maurino, showed a high amount of total phenols and antioxidant activity, and therefore represent a suitable natural source of biological compounds for use in terms of health benefits.

scholarly journals Phytochemical Properties and Anti-Proliferative Activity of Olea europaea L. Leaf Extracts against Pancreatic Cancer Cells

Molecules ◽  
2015 ◽  
Vol 20 (7) ◽  
pp. 12992-13004 ◽  
Author(s):  
Chloe Goldsmith ◽  
Quan Vuong ◽  
Elham Sadeqzadeh ◽  
Costas Stathopoulos ◽  
Paul Roach ◽  
...  
Keyword(s):  
Pancreatic Cancer ◽  
Cancer Cells ◽  
Olea Europaea ◽  
Proliferative Activity ◽  
Leaf Extracts ◽  
Olea Europaea L ◽  
Pancreatic Cancer Cells ◽  
Olea Europaéa

Selective ultrasound-enhanced enzymatic hydrolysis of oleuropein to its aglycon in olive (Olea europaea L.) leaf extracts

2017 ◽  
Vol 220 ◽  
pp. 282-288 ◽  
Author(s):  
María del Mar Delgado-Povedano ◽  
Feliciano Priego-Capote ◽  
María Dolores Luque de Castro
Keyword(s):  
Enzymatic Hydrolysis ◽  
Olea Europaea ◽  
Leaf Extracts ◽  
Olea Europaea L ◽  
Hydrolysis Of ◽  
Olea Europaéa

scholarly journals Chemical Profiles and Antioxidant Activities of Leaf, Pulp, and Stone of Cultivated and Wild Olive Trees (Olea Europaea L.)

2019 ◽  
Vol 20 (3) ◽  
pp. 350-370 ◽  
Author(s):  
Hédia Hannachi ◽  
Walid Elfalleh ◽  
Majda Laajel ◽  
Imen Ennajeh ◽  
Ridha Fethi Mechlouch ◽  
...  
Keyword(s):  
Olea Europaea ◽  
Antioxidant Activities ◽  
Olea Europaea L ◽  
Chemical Profiles ◽  
Wild Olive ◽  
Olive Trees ◽  
Olea Europaéa

scholarly journals Chemical Composition and Water Permeability of Fruit and Leaf Cuticles of Olea europaea L.

2017 ◽  
Vol 65 (40) ◽  
pp. 8790-8797 ◽  
Author(s):  
Hua Huang ◽  
Markus Burghardt ◽  
Ann-Christin Schuster ◽  
Jana Leide ◽  
Isabel Lara ◽  
...  
Keyword(s):  
Chemical Composition ◽  
Water Permeability ◽  
Olea Europaea ◽  
Olea Europaea L ◽  
Olea Europaéa

Antioxidant and aldose reductase inhibition activity of Ligustrum japonicum and Olea europaea L. leaf extracts

2011 ◽  
Vol 113 (7) ◽  
pp. 876-885 ◽  
Author(s):  
Vassiliki T. Papoti ◽  
Kyriaki Pegklidou ◽  
Eleftheria Perifantsi ◽  
Nikolaos Nenadis ◽  
Vassilios J. Demopoulos ◽  
...  
Keyword(s):  
Aldose Reductase ◽  
Olea Europaea ◽  
Inhibition Activity ◽  
Leaf Extracts ◽  
Aldose Reductase Inhibition ◽  
Olea Europaea L ◽  
Ligustrum Japonicum ◽  
Olea Europaéa
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