Acetylcholine is an ester of acetic acid and choline with chemical formula CH 3 CO O CH 2 CH 2 N + (CH 3) 3. This structure is reflected in the systematic name, 2-acetoxy-N,N,N-trimethylethanaminium. Acetylcholine (ACh) was first identified in 1914 by Henry Hallett Dale for its actions on heart tissue.
1 Place pork tenderloin in roasting pan. 2  Roast for 30 minutes. 3  Turn the pork over and roast for another 25 minutes. 4  The pork tenderloin is ready when the internal temperature reaches 145 degrees Fahrenheit (63 degrees Celsius).
Next, cook the pork loin for about 20-30 minutes per pound. Insert a meat thermometer, and test the meat after cooking. When internal temperature of the meat is 150 degrees Fahrenheit, the meat is ready to be taken out of the oven. Cover the roast with aluminum foil, and let it sit for 30 minutes before serving.