Multiple Biological Effects of Olive Oil By-products such as Leaves, Stems, Flowers, Olive Milled Waste, Fruit Pulp, and Seeds of the Olive Plant on Skin

Phytotherapy Research : PTR
Asuka KishikawaKuniyoshi Shimizu

Abstract

As olive oil production increases, so does the amount of olive oil by-products, which can cause environmental problems. Thus, new ways to utilize the by-products are needed. In the present study, five bioactive characteristics of olive oil by-products were assessed, namely their antioxidant, anti-bacterial, anti-melanogenesis, anti-allergic, and collagen-production-promoting activities. First, the extracts of leaves (May and October), stems (May and October), flowers, olive milled waste, fruit pulp and seeds were prepared using two safe solvents, ethanol and water. According to HPLC and LC/MS analysis and Folin-Ciocalteu assay, the ethanol extracts of the leaves (May and October), stems (May and October) and flowers contained oleuropein, and the ethanol extract of the stems showed the highest total phenol content. Oleuropein may contribute to the antioxidant and anti-melanogenesis activities of the leaves, stems, and flowers. However, other active compounds or synergistic effects present in the ethanol extracts are also likely to contribute to the anti-bacterial activity of the leaves and flowers, the anti-melanogenesis activity of some parts, the anti-allergic activity of olive milled waste, and the collagen-production-promoti...Continue Reading

References

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Citations

May 4, 2016·Phytotherapy Research : PTR·Daniel Martín-VertedorJonathan Delgado-Adámez
Jan 12, 2017·Cytotechnology·Asuka KishikawaKuniyoshi Shimizu
May 12, 2017·International Journal of Molecular Sciences·Hui TanKuniyoshi Shimizu
May 10, 2017·International Journal of Immunopathology and Pharmacology·Theoharis C TheoharidesIrene Tsilioni
Jan 25, 2018·Journal of Cosmetic Dermatology·Margit Lw JuhászEllen S Marmur
Jan 1, 2019·Journal of Medicinal Food·Sonam TamrakarKuniyoshi Shimizu
Apr 26, 2020·Journal of Cosmetic Dermatology·Rungsima WanitphakdeedechaWoraphong Manuskiatti
Oct 2, 2019·Food Science & Nutrition·Gabriella TamasiClaudio Rossi
Oct 28, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Evangelia KritikouNikolaos S Thomaidis
Jun 29, 2021·Journal of Agricultural and Food Chemistry·Morgane CarraraDelphine Margout
Oct 31, 2021·Journal of Food Biochemistry·Masood Sadiq ButtMuhammad Rizwan

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