Kartal, MuratIşık, Selin2022-05-312022-05-312010http://hdl.handle.net/20.500.12575/80661In this study, callus tissues of the Silybum marianum seeds are produced with cell culture and the extracts which are obtained from extraction of Silybum marianum callus tissues, were analyzed by HPLC. Analysing of Olea europaea, olive leaves which are taken from different regions were extracted by according to the European Pharmacopeiae and the extracts were analyzed by the HPLC with the method indicated in European Pharmacopeiae. Camellia sinensis analysis, tea room wastes and oven fibers taken from ÇAY-KUR management with the aim of recycle tea wastes extracted with water using soxhlet aparey. The presence and amount of catechin in dry powder compared with standardized green tea extract by HPLC. In this extract catechin derivatives compounds determined in high rates. When the results were evaluated; tea leaves extract can obtained from factory waste formed during the proccessing of tea, and also these wastes can be used in food, drug and cosmetic industry, in this way they may contribute to the economy. Dried and powdered Melissa officinalis and Rosmarinus officinalis leaves are extracted according by specified methods of European Pharmacopeia and these extracts? rosmarinic acid percentage were analysed with UV Spectrophotometer by using European Pharmacopeia.trBiyoteknolojitıbbi bitkilerkaliteBiyoteknolojik yönden önemli tıbbi bitkiler ve bitkisel ürünlerde kalitenin belirlenmesiQuality control of herbals and herbal products on biotechnologically important medicinal plantsmasterThesis