Sürdürülebilir Kalkınma Amaçları
Yayınlar
- Kitap BölümüYalnız künye2024Effect of ecosystems and agricultural practices on Physalis peruviana phytochemicals
Aydin, Sevinc
As a result of the gradual decrease in natural resources and the increase in chronic diseases caused by unhealthy nutrition, the inclination among consumers toward food products that are both biologically active and beneficial, and environmentally friendly, is increasing. Therefore, environmental factors and agricultural practices that affect the amount of biologically active ingredients in these products have gained importance and become the subject of numerous scientific studies. Goldenberry (Physalis peruviana) is a yearly plant that is grown in mild climates, and it is a plant that is first planted in seed trays for primary development and then in the field for fruit production. Both its leaves, trunk, and roots have medicinal properties and its fruit is rich in components such as vitamins A and C, iron and phosphorus, flavonoid, and carotenoid which have made this plant, and particularly its fruit, more attractive. The amount and biological effect of these components, which are known as secondary metabolites, vary depending on the soil and the climate where this plant is grown and agricultural practices. With this compilation study, our aim is to summarize the studies that examined the positive or negative effects of environmental conditions that affect goldenberry cultivation and agricultural practices applied to increase the yield of the bioactive phytochemical ingredients of this plant, and thus to provide insight for relevant studies to be conducted.
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İncele - MakaleYalnız künye2021ANTIOXIDANT ACTIVITIES AND SOME BIOCHEMICAL CONTENTS OF THE SEEDS OF THE OKUZGOZU AND BOGAZKERE (Vitis vinifera L.) GRAPE VARIETIES GROWN IN TURKEY
Aydin, Sevinc
The Vitis vinifera L. grape species is a fruit that is the most prevalently grown in the whole world and has economic significance. It is known that, due to its climate conditions, Turkey has rich resources in terms of Vitis vinifera L. With this study, we aimed to determine the phenolic, vitamin and fatty acid contents of the Okuzgozu and Bogazkere varieties of Vitis vinifera L. and see the effects of these contents on antioxidant activity. Fatty acids in the lipid extract were analyzed by gas chromatography after conversion into methyl esters. For flavonoid and vitamin analyses, a high-performance liquid chromatography device (HPLC-UV. Shimadzu) was used. Antioxidant activity was determined by Radical Scavenging Activity (DPPH) and Lipid Peroxidation (MDA) experiments, As a result of the study, some saturated and unsaturated fatty acid, phenolic compound and vitamin contents of the two varieties were obtained. It was observed that the amounts of unsaturated fatty acids, whose effects on antioxidant activity are known, in the Okuzgozu variety were significantly higher than those in the Bogazkere variety. The results on phenolic and vitamin compounds revealed higher amounts in the Okuzgozu variety in comparison to Bogazkere as in the case of fatty acids. The finding that these contents and antioxidant activity were in proportion suggested that the antioxidant effect of the Okuzgozu variety is higher. If the substances that provide this effect are correctly isolated from the plant, they may be used beneficially in both the food and pharmaceutical sectors.
- MakaleYalnız künye2021BIOCHEMICAL COMPOSITION AND ANTIOXIDANT PROFILE OF GEOGRAFICALLY LABELED KOHNU GRAPE (Vitis vinifera L.) CULTIVAR FROM TURKEY
Akbaba, Emel; Aydin, Sevinc; Sanyurek, Nesrin Karaca
Vitis vinifera L. is cultivated throughout the World including Turkey which is one of the largest producers of grape. Grape is consumed as fresh or dry fruit as well as used in the wine industry in which good quality of grapes are preferred. Grape is also a part of the traditional Mediterranean diet which is linked to a low risk of cardiovascular and degenerative diseases. Kohnu is a geographically labeled type of grape cultivated in the eastern cities of Turkey. In this study, Kohnu grapes harvested from two different cities of Turkey were compared through phenolic compounds, phytosterols, vitamins, fatty acids, and antioxidative properties. The concentrations of phenolic compounds in the sample from Elazig were obtained to be significantly higher as compared to the sample from Malatya. Especially vanillic acid was found to be much higher in Elazig samples. The concentrations of fatty acids especially palmitic acid, palmitoleic acid, oleic acid, and linoleic acid were obtained significantly higher in Elazig samples as compared to Malatya samples. Vitamin and phytosterol concentrations of the samples from Elazig were also determined as higher as compared to Malatya samples. Significantly higher antioxidant activity of Kohnu grape seeds from Elazig was obtained via DPPH radical scavenging activity and MDA levels. The antioxidant profile of Kohnu grape seeds of Elazig samples could be related to phenolic composition and vitamins.
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İncele - MakaleYalnız künye2020Scopus SJRQ4The protective effects of golden berry (Physalis peruviana L.) extract against to the oxidative and destructive effects of type i diabetes in rats
Erman, Fazilet; Kaya, Tubay; Aydin, Sevinc; Erman, Orhan; Yilmaz, Okkes
Type I diabetes is known as insulin-dependent diabetes mellitus, and the most important factor playing role in its formation is the genetic predispo- sition. Physalis peruviana L. (Goldenberry) is a plant, which has strong antioxidant properties, from Solanaceae family and, because of its fructose con- tent, plays regulatory role in blood glucose level of diabetics. In this study, it has been investigated the effects of goldenberry on the malondialdehyde (MDA), reduced glutathione (GSH), total protein, vitamins A, D, E, and K, and cholesterol levels which are the indicators of antioxidant defense and the oxidative damages in serum, muscle, kidney, liver and brain tissues of the rats, on which type I diabetes was induced by STZ. According to the obtained results, among the rats with STZ-induced type I diabetes, it was ob- served that the level of glutathione (GSH) increased and the level of malondialdehyde (MDA) decreased in all of the tissues of rats given goldenberry extract, while significant decreases were determined in the levels of vitamins K-1, K-2, D-2 and D-3 in all of tissues (except serum), and there were also decreases in the level of α-tocopherol and cholesterol in tis- sues of muscle, liver and kidney. In this study, it was shown that the goldenberry decreased the destructive effects of type-I diabetes by decreasing the serum glucose and lipid peroxida- tion and increasing the level of glutathione. It is believed that the obtained results would be used in fol- low-up of diabetic patients and in early diagnosis of the disease in future.
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