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.
Rate-limiting reaction is the slowest reaction in a series of reactions. It is used to calculate the rate law of the overall reaction. Recall from thermochemistry that slow reactions tend to have higher activation energy (energy âhillâ). Slower reactions have to climb a higher energy hill to produce transition states and, subsequently, products; therefore, rate-limiting reaction will have the highest activation energy of all reactions in the series.