Benztropine is also used to treat and prevent these symptoms when they are caused by drugs such as chlorpromazine (Thorazine), fluphenazine (Prolixin), perphenazine (Trilafon), and others. Benztropine may also be used for purposes not listed in this medication guide.
As days go past the freshness reduces. In general, the fresher your keg draft beer is, the better it tastes. Keg beer will remain fresh if dispensing with CO2, while maintaining the proper temperature and pressure: For non-pasteurized draft beer about 45-60 days. For pasteurized draft beer about 90-120 days. When dispensing keg beer with a party pump (air), any draft beer will remain fresh for no more than 8-12 hours.
3. Third, the beer must be kept cold, but not too cold - Kegs WILL Freeze. The 30 - 45 day expiration date usually assumes the beer will be kept below 40 deg F. Higher temperatures greatly accelerate spoilage which can lead to an off taste. The entire system, including the hoses, must be kept cold, from the keg to the faucet. A good rule is to treat beer the same way you would treat milk.