Zobrazeno 1 - 10
of 73
pro vyhledávání: '"Spyros Grigorakis"'
Publikováno v:
Applied Sciences, Vol 14, Iss 15, p 6508 (2024)
Natural polyphenols may be very effective lipid antioxidants; however, the studies pertaining to specific commodities, such as refined olive kernel oil (OKO), are extremely limited, and thus there is a lack of relevant information. To provide coverag
Externí odkaz:
https://doaj.org/article/0c4bc320cfd9423fae74745a77148722
Publikováno v:
International Journal of Molecular Sciences, Vol 25, Iss 14, p 7820 (2024)
Olive leaves (OLLs) are an exceptional bioresource of natural polyphenols with proven antioxidant activity, yet the applicability of OLL extracts is constrained by the relatively high polarity of the major polyphenols, which occur as glycosides. To o
Externí odkaz:
https://doaj.org/article/d396b0428ff34aacbc8fdb84d81a2ec4
Autor:
Eirini Papadaki, Spyros Grigorakis, Dimitrios Palaiogiannis, Stavros I. Lalas, Paraskevi Mitlianga
Publikováno v:
Molecules, Vol 29, Iss 6, p 1193 (2024)
This study was undertaken to investigate the effects of hydrothermal treatments under mild acid and alkaline conditions on polyphenol release and recovery from wheat bran (WB). After an initial screening of various food-grade substances, strong evide
Externí odkaz:
https://doaj.org/article/6465a8df629e44729d96bf50df7a1af8
Publikováno v:
Applied Sciences, Vol 13, Iss 16, p 9484 (2023)
The current study aimed at developing an effective organosolv treatment, with the objective to obtain potato peel extracts highly enriched in polyphenols. To this end, two low-cost solvents were employed, 1- and 2-propanol, which are considered green
Externí odkaz:
https://doaj.org/article/06954f686b154b868641e1ae38080555
Publikováno v:
Environments, Vol 10, Iss 7, p 118 (2023)
Oat bran (OB) may be regarded as food industry by-product, with a high perspective as a bioresource in the production of high-value polyphenolic substances. On this basis, the investigation presented herein aimed at (i) using 1- and 2-propanol organo
Externí odkaz:
https://doaj.org/article/edfc9059291248edb1dbbf4535606824
Autor:
Olga Kaltsa, Spyros Grigorakis, Achillia Lakka, Eleni Bozinou, Stavros Lalas, Dimitris P. Makris
Publikováno v:
AgriEngineering, Vol 2, Iss 2, Pp 226-239 (2020)
Olive leaves (OLL) are considered to be a highly appreciated bioresource of bioactive polyphenolic phytochemicals, embracing several different structures. However, extraction processes based on deep eutectic solvents (DES) are very limited despite th
Externí odkaz:
https://doaj.org/article/94eac157ce8143d89d0c4a6babf9fcbd
Publikováno v:
ChemEngineering, Vol 6, Iss 3, p 35 (2022)
This study was focused on the simultaneous organosolv treatment/extraction of waste orange peels (WOP) for the effective recovery of polyphenolic antioxidants. The treatments were performed with aqueous glycerol mixtures, which were acidified either
Externí odkaz:
https://doaj.org/article/8237d6340031408aaed4b66d0ab54f5c
Autor:
Amalia Alygizou, Spyros Grigorakis, Panagiota Gotsiou, Sofia Loupassaki, Antony C. Calokerinos
Publikováno v:
Journal of Analytical Methods in Chemistry, Vol 2021 (2021)
The aim of the present study is to quantify hydrogen peroxide, generated from various types of honey produced in Crete, as a potent antimicrobial agent, and establish any correlation with their physicochemical parameters. The basic physicochemical pa
Externí odkaz:
https://doaj.org/article/5038ee7de52740009a393b3659b37522
Autor:
Eleni Tsavea, Fotini-Paraskevi Vardaka, Elisavet Savvidaki, Abdessamie Kellil, Dimitrios Kanelis, Marcela Bucekova, Spyros Grigorakis, Jana Godocikova, Panagiota Gotsiou, Maria Dimou, Sophia Loupassaki, Ilektra Remoundou, Christina Tsadila, Tilemachos G. Dimitriou, Juraj Majtan, Chrysoula Tananaki, Eleftherios Alissandrakis, Dimitris Mossialos
Publikováno v:
Foods, Vol 11, Iss 7, p 943 (2022)
Pine honey is a honeydew honey produced in the East Mediterranean region (Greece and Turkey) from the secretions of the plant sucking insect Marchalina hellenica (Gennadius) (Coccoidea: Marchalini-dae) feeding on living parts of Pinus species. Nowada
Externí odkaz:
https://doaj.org/article/2e3b665caae74a0d848b079a3d18dde9
Autor:
Hamida Akli, Spyros Grigorakis, Abdessamie Kellil, Sofia Loupassaki, Dimitris P. Makris, Antony Calokerinos, Abderrahmane Mati, Nikos Lydakis-Simantiris
Publikováno v:
Applied Sciences, Vol 12, Iss 2, p 831 (2022)
The extraction of phenolic compounds from olive leaves was optimized using three glycerol-based deep eutectic solvents (DESs) with lysine, proline, and arginine. A three-level Box–Behnken design was used to examine the influence of the liquid/solid
Externí odkaz:
https://doaj.org/article/220f19d2cd614eb89ce8db0df334bed9