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).
How long does it take to cook a four-pound pork loin? Bone-in pork loin may be roasted at 350 degrees Fahrenheit for 25 to 40 minutes per pound (100 to 160 minutes for a 4-pound loin), while a boneless loin should be roasted for 20 to 25 minutes per pound (80 to 100 minutes for a 4-pound loin).