| veratric acid | C9H10O4; 3,4-Dimethoxybenzoic acid;obtained by methylation and subsequent oxidation of protocatechuic acid; present in the seeds of Schoenocaulon officinale (Sabadilla officinarum). (05 Mar 2000) |
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| gentisic acid | 2,5-Dihydroxybenzoic acid; 5-hydroxysalicylic acid;this compound is chemically related to salicylate and aspirin (acetylsalicylate) and shares with the latter agent analgesic and anti-inflammatory properties. (05 Mar 2000) |
| receptors, retinoic acid | Proteins in the nucleus or cytoplasm that specifically bind retinoic acid or retinol and trigger changes in the behaviour of cells. Retinoic acid receptors, like steroid receptors, are ligand-activated transcription regulators. Several types have been recognised. (12 Dec 1998) |
| Gerhardt's test for acetoacetic acid | In fresh urine a red colour develops upon addition of FeCl3; no colour develops if the urine has first been boiled; this test has low specificity and sensitivity. Synonym: Gerhardt's reaction. (05 Mar 2000) |
| casamino acid | <biochemistry> The group of amino acids which results when casein, a protein found in milk, is broken down by enzymes. (09 Oct 1997) |
| gibberellic acid | <plant biology> Diterpenoid compounds with gibberellin activity in plants. at least 70 related gibberellic acids have been described and designated as a series GA1, GA2 etc. (17 Dec 1997) |
| reductic acid | 2,3-Dihydroxy-2-cyclopenten-1-one;a strong reducing product (antioxidant) formed in hot alkaline sugar solutions. (05 Mar 2000) |
| catechinic acid | <chemical> 3,3',4',5,7-flavanpentol. Extracted from uncaria gambier, acacia catechu and other plants; it stabilises collagen and is therefore used in tanning and dyeing; it prevents capillary fragility and abnormal permeability, but was formerly used as an antidiarrhoeal. Synonym: cachou; cashoo; cutch. Chemical name: 2H-1-Benzopyran-3,5,7-triol, 2-(3,4-dihydroxyphenyl)-3,4-dihydro-, (2R-trans)- (12 Dec 1998) |
| catechuic acid | <chemical> 3,3',4',5,7-flavanpentol. Extracted from uncaria gambier, acacia catechu and other plants; it stabilises collagen and is therefore used in tanning and dyeing; it prevents capillary fragility and abnormal permeability, but was formerly used as an antidiarrhoeal. Synonym: cachou; cashoo; cutch. Chemical name: 2H-1-Benzopyran-3,5,7-triol, 2-(3,4-dihydroxyphenyl)-3,4-dihydro-, (2R-trans)- (12 Dec 1998) |
| glacial phosphoric acid | An anhydride of phosphoric acid used as a reagent, and in the manufacture of zinc oxyphosphate cement for dentistry. Synonym: metaphosphoric acid. (05 Mar 2000) |
| regulatory sequences, nucleic acid | DNA sequences involved in regulating the expression of other genes. (12 Dec 1998) |
| meclofenamic acid | <chemical> A non-steroidal anti-inflammatory agent with antipyretic and antigranulation activities. It also inhibits prostaglandin biosynthesis. Pharmacological action: non-steroidal anti-inflammatory agents, cyclooxygenase inhibitors. Chemical name: Benzoic acid, 2-((2,6-dichloro-3-methylphenyl)amino)- (12 Dec 1998) |
| meconic acid | 3-Hydroxy-4-oxy-4H-pyran-2,6-dicarboxylic acid;obtained from opium; it forms soluble salts (meconates) with many of the alkaloids of opium. (05 Mar 2000) |
| glucaric acid | <chemical> D-glucaric acid. A sugar acid derived from d-glucose in which both the aldehydic carbon atom and the carbon atom bearing the primary hydroxyl group are oxidised to carboxylic acid groups. Chemical name: Glucaric acid (12 Dec 1998) |
| glucoascorbic acid | 3-Keto-d-glucoheptonofuranolactone;a compound resembling ascorbic acid but with an additional -CHOH-between C-5 and C-6 of ascorbic acid; shows toxic effects on addition to diet which apparently are not caused by ascorbic acid antagonism. (05 Mar 2000) |
| acid |
An essential component of wine, that preserves it, enlivens, shapes it's flavors, and helps prolong it's aftertaste. There are four major kinds of acids - tartaric, malic, lactic, citric - found in wine. Acid contributes to the crispness and longevity of a wine, particularly white wine. Acid is identifiable by the crisp, sharp character it imparts to a wine.
출처: www.valleyvineyards.com/wine_glossary.htm
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| acid |
an agent able to produce positively charged hydrogen ions (H + ). [Since the hydrogen ion is a bare proton, it usually exists in a solvated form (such as H 3 O + ).]
출처: www.cartage.org.lb/en/themes/Sciences/Chemistry/Or...
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| acidosis |
A condition when the rumen becomes too acid. Usually due to over-consumption of grain.
출처: www.goatworld.com/articles/terminology.shtml
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| acid |
Substances that contain one or more hydrogen atoms in their molecular structures. Acids have a pH that ranges from 0-6, and react with bases to form a salt.
출처: www.pub.ac.za/resources/glossary.html
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| acid rain |
Refers loosely to a mixture of wet and dry "deposition" (deposited material) from the atmosphere containing higher than "normal" amount of nitric and sulfuric acids. The precursors or chemical forerunners of acid rain formation result from both natural sources, such as volcanoes and decaying vegetation, and man-made sources, primarily emissions of sulfur and nitrogen oxides resulting from fossil fuel combustion.
출처: www.netl.doe.gov/coal/Coal%20Primer/glossary.html
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