Journal
MOLECULES
Volume 24, Issue 10, Pages -Publisher
MDPI
DOI: 10.3390/molecules24101998
Keywords
Olea europaea L; phenolic compound; antioxidant activity; by-product; HPLC ESI; MS-TOF
Ask authors/readers for more resources
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 mu mol TE mg(-1) dry weight, ORAC values: 0.81-4.25 mu mol TE mg(-1) dry weight, superoxide anion scavenging activity values: 27.66-48.92 mu mol 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.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available