Evaluation of photosensitivity of medical plants sold in the herbal shop in bursa province

Thesis Type: Postgraduate

Institution Of The Thesis: Bursa Uludağ University, Sağlık Bilimleri Enstitüsü, Turkey

Approval Date: 2018

Thesis Language: Turkish

Student: Özgür Sarı

Supervisor: SONGÜL SONAL


The first documents on phytotherapy, also known as folk medicine or the name of Anatolian medicine, date back to B.C. Along with the industrial revolution, pharmaceutical industry has gained importance with advance in basic sciences, but complementary medicine has remained in indispensable for human. In recent years, people's interest in medicinal plant use has become popular and academic work has gained momentum. The reason for the growing interest in the people is the perception of "harmlessness". However, there are useful compounds along with toxic metabolites in the biochemistry of each medical plant. When plant biochemistry was examined, there are photosensitized substances which are basic compounds and alkaloids, flavonoids, glycosides, tannins glycoalkaloids and antiaminics as intermediates; and also defined or unidentified intermediate toxic alkaloids are found. Photosensitized substances are cause with sunlight when taken by humans and animals; there are adverse effects such as morphological (skin rashes etc.) and physiological (liver failure etc.) in case of dermal contact or consumption. In the scope of the thesis to determine the photosensitivity effect of medical herbs sold in the herbal shops in Osmangazi, Yıldırım and Nilüfer districts of Bursa. At the point of sale of 52 herbal shop and the results of the interviews with 560 people in three districts; purchase preference places, awareness of advers effects, consumption quantities and consumption habits were recorded. The most preferred and consumed photosensitious plants were determined. According to the reports of the Directorate of Aktar's and Spices, Zingiber officinale (Ginger) was determined as the most-selling medical plant in Bursa. But, in our field study has revealed that Hypericum perforatum (St. John's Worth) was the most pereffered medicinal plant. It was also seen that both sales representatives and consumers had no knowledge of the advers effects of medicinal plants.