1 Changes in stool color may be due to diarrhea; bleeding in the intestine; diseases of the intestines, liver, or pancreas; and medications. 2  Diagnosis when stool color changes depends on what process is suspected of causing the change, for example, gastrointestinal (GI) endoscopy if bleeding is supsected.n most cases, stool color changes are not symptoms of disease. Changes in stool color may be due to: 1  Diarrhea may cause green or yellow stools. 2  Some foods (beets, Jell-O, licorice).
The Maillard Reaction. One of the most important flavor-producing reactions in cooking is the Maillard reaction. It is sometimes called the âbrowning reactionâ in discussions of cooking, but that description is incomplete at best.
However, the Maillard reactions of vitamin C are less pleasant. They are involved in the browning of cut fruit and can cause changes in the flavor of foods. In addition, the Maillard degradation of vitamin C in the body may be involved in clouding the lenses of the eyes and in the age-related loss of elasticity in the skin and sinews.