DYNAMIC SUBSTANCE RESEARCH IN DOMESTIC AND IMPORTED BLACK TEA SOLD IN TURKEY

Abstract

Tea is a popular product known worldwide with health benefits for consumers. For centuries, it has been considered a safe and healthy beverage. Although the tea plant has many beneficial effects on human health, the chemicals that can be found in the tea plant can cause negative effects on health. Recently, the use of dyes in teas comes to the fore among imitations or adulterations made in foods recently. These substances pose a health risk.The purpose of this study; sold in the provinced in Turkey's Southeast Anatolia and Eastern Anatolia regions and to assess the presence of dye in the domestic and imported tea. In the study (Mardin; 7, Sirnak, 3, Van, 15, Diyarbakir, 13, Siirt, 9, Batman; 4, Gaziantep, 14, Kilis, 4 and Sanliurfa; 10) Iran, Sri Lanka, India and originating in Turkey A total of 79 samples were taken from the black teas and a wool yarn dyeing analysis with ( GMMAY S: 94-107 ) method was performed to look for dyes. The analyzes were carried out in an advanced private laboratory with European Union accreditation. According to the analysis results, no dye was detected in any of the tea samples. According to these results, it was concluded that no dyestuff is used in the harvesting, processing, drying and packaging stages of local and imported teas sold in the Southeastern Anatolia and Eastern Anatolia regions. Turkey determined to make the presence of dyes in general in the domestic and imported tea in other regions such analysis is required.