Asparagus fern caterpillar
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the caterpillar of a noctuid moth, Laphygma exigua, a pest of beets, asparagus, corn, cotton, peas, and peppers.
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- Aspartame
a white, crystalline, odorless, slightly water-soluble noncarbohydrate powder, C 14 H 18 N 2 O 5 , synthesized from amino acids, that is 150–200 times as sweet as sugar: used as a low-calorie sugar substitute in soft drinks, table sweeteners, and other food products. Contemporary Examples Artificial sweeteners such as aspartame (NutraSweet) and saccharine are […]
- Aspartase
aspartase aspartase a·spar·tase (ə-spär’tās’, -tāz’) n. An enzyme found in various bacteria, yeasts, and plants that catalyzes the conversion of aspartic acid to fumaric acid by removing ammonia and catalyzes the reverse reaction by adding ammonia. Also called aspartate ammonialyase.
- Aspartate aminotransferase
aspartate aminotransferase aspartate aminotransferase n. AST.
- Aspartate
a salt or ester formed from . aspartate a·spar·tate (ə-spär’tāt) n. A salt of aspartic acid. An ester of aspartic acid.
- Aspartic acid
a nonessential amino acid, C 4 H 7 NO 4 , produced by the hydrolysis of asparagine and proteins, found chiefly in young sugar cane and sugar-beet molasses, and used in the preparation of culture media and as a dietary supplement. Symbol: D. Abbreviation: Asp; noun a nonessential amino acid that is a component of […]