Spices and their properties Gulab: It has a warm nature and strengthens the brain and nerves. It removes fainting, weakness and unconsciousness and expels phlegm. It hardens the gums and is also a choleretic. Mint sweat: It has a warm nature and strengthens the stomach. It is a blood generator, appetite suppressant, heart pain reliever, anticonvulsant and wind breaker. Eliminates heatstroke and hiccups in children. Birch extract: Strengthens the heart and body, it is also a laxative.