1. Effect of gamma irradiation on microbiological, chemical and sensory characteristics of licorice root product;Al-Bachir;Radiation Physics and Chemistry,2004
2. 21 CFR parts 182 and 184 GRAS status of licorice, (Glycyrrhiza), ammoniated glycyrrhizin and monoammonium glycyrrhizinate;Anonymous;Federal Register,1985
3. Ochratoxin A in food containing liquorice;Bresch;Nahrung,2000
4. Toxicologic evaluation of licorice extract as a cigarette ingredient;Carmines;Food and Chemical Toxicology,2005
5. CEN (European Committee for Standardization). 2003. Method EN 14132:2003 for the determination of ochratoxin A in barley and roasted coffee. HPLC method with immunoaffinity column clean-up. Publication date 21 May 2003. CEN Brussels, Belgium.