31. Affected individuals usually display a large blood fructose concentration after the ingestion of fructose, sucrose or sorbitol . 32. Typically, diagnosis has been done by culturing on sorbitol -MacConkey medium and then using typing antiserum. 33. Food additives such as sucrose, sorbitol or glycerol may be added to increase viscosity and therefore increase gelatinization. 34. The sweetener sorbitol has the same benefit, but is only about one-third as effective as xylitol. 35. Even " sugar-free " food can contain carbohydrates such as maltodextrin, sorbitol , starch and fructose. 36. The amount of sorbitol that accumulates, however, may not be sufficient to cause osmotic influx of water. 37. Xylitol has a lower laxation threshold than some sugar alcohols, but is more easily tolerated than mannitol and sorbitol . 38. Such creatures have evolved means through which they can produce high concentration of various compounds such as sorbitol and glycerol. 39. This generates high levels of glycogen in the eggs, which is converted into the polyhydric alcohols glycerol and sorbitol . 40. Fructose and sorbitol can both be converted to fructose-1-phosphate, which inhibits GKRP and frees GK.
