Browsing by Author "Kutuk, Nursah"
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The Effect of the Plant Age and Growth Period on the Nutritional Substance, Chlorophyll and Steviol Glycoside Rates in Stevia (Stevia Rebaudiana Bertoni) Leaves
Ucar, Esra; Ozyigit, Yasar; Eruygur, Nuraniye; Guven, Dilek; Yur, Suleyman; Turgut, Kenan; Ozek, Temel; Kutuk, Nursah (TAYLOR & FRANCIS INC, 2018)Stevia (Stevia rebaudiana Bertoni) is a perennial and subshrub herb of the Asteraceae family, which originates from South America. Stevia has long been used as a sweetener and herbal medicine throughout the world. The most ... -
Green Synthesis of Iron Oxide Nanoparticles Using Black Tea Extract and Investigation of Its Properties
Cetinkaya, Sevil; Kutuk, Nursah (AMER SCIENTIFIC PUBLISHERS, 2018)Iron oxide nanoparticles (FeNPs) were synthesized by green method using black tea (BT) extract as a reducing agent at room temperature. The effect of polyphenol content on the formation of FeNPs was investigated. The ... -
Modeling of Total Phenolic contents in Various Tea samples by Experimental Design Methods
Eruygur, Nuraniye; Dincel, Nazire Gulsah Kutuk; Kutuk, Nursah (DE GRUYTER POLAND SP ZOO, 2018)Tea, from the old ages to the day, is widely consumed both for enjoyment and health care due to its positive effects. The consumption of these products is increasing day by day as a result of the clear presentation of the ...