Adding the saliva in lieu of gastric juices is important, so probably for a long time. I had a wonderful supper of beer braised steak two nights ago, with a quarter of a baked potato and cooked carrots! It was absolutley amazing! And sat very well, digested well. The next day at lunch I was in a rush, took a small chunk of steak and as I was wolfing it I thought, gee I wonder if I should be chewing this better... three or four mintes later I was on the big ceramic telephone thinking CRAP, I knew better, and this tasted much better last night than it did coming up! It was short lived but the little surgeon on my shoulder was whacking my tummy with a bat, saying stupid patient, stupic patient, I will teach you! lol maybe tmi, but it is related! Regards, Ian