21. Food items were identified from undigested fruit seeds, pulp and skin or insect parts. 22. He understood the devastating consequences of allowing them to sit there, undigested and unmetabolized. 23. Bacterial fermentation of undigested polysaccharides produces these. 24. They sometimes eat their own green, faecal pellets to recover undigested proteins and vitamins. 25. Ravens may also consume the undigested portions of animal feces, and human food waste. 26. Fat-soluble nutrients consumed with olestra products are excreted with the undigested olestra molecules. 27. Undigested remains were expelled the following day.28. :Also note that what appears to come out undigested isn't necessarily so. 29. When patients swallow the drug, it reaches the gut undigested and mops up the toxin. 30. Like kingfishers, bee-eaters regurgitate pellets of undigested material, typically long black oblongs.
