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Aspartame is an artificial non- saccharide sweetener 200 times sweeter than sucrose and is commonly used as a sugar substitute in foods and beverages. [ 4 ] It is a methyl ester of the aspartic acid / phenylalanine dipeptide with brand names NutraSweet, Equal, and Canderel. [ 4 ]
Aspartate transaminase (AST) or aspartate aminotransferase, also known as AspAT/ASAT/AAT or (serum) glutamic oxaloacetic transaminase (GOT, SGOT), is a pyridoxal phosphate (PLP)-dependent transaminase enzyme (EC 2.6.1.1) that was first described by Arthur Karmen and colleagues in 1954. [1][2][3] AST catalyzes the reversible transfer of an α ...
The artificial sweetener aspartame has been the subject of several controversies since its initial approval by the U.S. Food and Drug Administration (FDA) in 1974. The FDA approval of aspartame was highly contested, beginning with suspicions of its involvement in brain cancer, [1] alleging that the quality of the initial research supporting its safety was inadequate and flawed, and that ...
Dipeptide. A dipeptide is an organic compound derived from two amino acids. The constituent amino acids can be the same or different. When different, two isomers of the dipeptide are possible, depending on the sequence. Several dipeptides are physiologically important, and some are both physiologically and commercially significant.
Other colors used are green for stevia. [1] A sugar substitute is a food additive that provides a sweetness like that of sugar while containing significantly less food energy than sugar-based sweeteners, making it a zero-calorie (non-nutritive) [2] or low-calorie sweetener. Artificial sweeteners may be derived through manufacturing of plant ...
Food microbiology is the study of the microorganisms that inhabit, create, or contaminate food.This includes the study of microorganisms causing food spoilage; pathogens that may cause disease (especially if food is improperly cooked or stored); microbes used to produce fermented foods such as cheese, yogurt, bread, beer, and wine; and microbes with other useful roles, such as producing ...
Acesulfame potassium is usually combined with aspartame, sucralose, or saccharin rather than alone and its use is particularly common among smaller beverage producers (e.g. Big Red). Diet Rite is the non-aspartame diet soft drink brand with the highest sales today; it uses a combination of sucralose and acesulfame potassium. [citation needed]
Aspartate carbamoyltransferase (also known as aspartate transcarbamoylase or ATCase) catalyzes the first step in the pyrimidine biosynthetic pathway (EC 2.1.3.2). [1] In E. coli, the enzyme is a multi- subunit protein complex composed of 12 subunits (300 kDa in total). [2] The composition of the subunits is C 6 R 6, forming 2 trimers of ...