Ultrasonic-Assisted Thymol and Carvacrol Extraction from Za’atar Leaves Using Cold-Pressed Sesame Oil

Figure 2

Chromatograms of thymol and carvacrol standards. 0.01 mg/ml thymol and carvacrol standards (a) and 0.1 mg/ml thymol and carvacrol (b) were injected to HPLC using the developed method.

(a)

(b)