E-viri
Recenzirano
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Ozdal, Tugba; Ceylan, Fatma Duygu; Eroglu, Nazife; Kaplan, Muammer; Olgun, Elmas Oktem; Capanoglu, Esra
Food research international, August 2019, 2019-08-00, 20190801, Letnik: 122Journal Article
Propolis is a resinous bee hive product that has many biological activities. In this study, a total of 11 raw propolis samples were collected from various geographical areas in Turkey. Phenolic compounds were extracted from all samples and analyses of total phenolics and flavonoids and total antioxidant capacities were performed. All the samples showed high total phenolic and flavonoid contents and antioxidant capacities. Moreover, the in vitro bioaccessibility of Turkish propolis samples were investigated according to simulated in vitro gastrointestinal digestion method. Bioaccessibility was increased through the gastric and intestinal phases. Furthermore, the composition of polyphenols (phenolic acids and flavonoids) in Turkish propolis extracts was investigated by LC-MS/MS method. A total of 32 phenolic compounds, including Caffeic acid phenylethyl ester (CAPE) which was observed in all samples, were identified in the samples. Higher CAPE contents were determined in the samples from the Marmara region which is in line with its higher antioxidant capacity values. As a conclusion, propolis samples collected from different geographical locations differ for their phenolic and flavonoid contents, individual phenolic profile and bioaccessibility. Display omitted •Biological activity of propolis is strongly related with climate, geographical changes and flora around the hive.•Bioaccessibility of propolis was increased in the gastric phase when compared to the oral phase.•The highest bioaccessibility values were reached in the intestinal phase.•32 phenolic compounds of Turkish propolis samples collected from different regions were identified using LC-MS/MS method.
Vnos na polico
Trajna povezava
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Vir: Osebne bibliografije
in: SICRIS
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