4-amino-3-hydroxy-benzoic acid
35,000 - 36,000 Per kg
25 Kilogram (MOQ)
Citric Acid Monohydrate
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Citric acid is a weak organic acid, and it is a natural preservative and is also used to add an acidic, or sour, taste to foods and soft drinks. In biochemistry, it is important as an intermediate in the citric acid cycle and therefore occurs in the metabolism of virtually all living things. It can also be used as an environmentally benign cleaning agent. icon Citric acid exists in greater than trace amounts in a variety of fruits and vegetables, most notably citrus fruits. Lemons and limes have particularly high concentrations of the acid; it can constitute as much as 8% of the dry weight of these fruits (about 47 gL in the juices). The concentrations of citric acid in citrus fruits range from 0.005 molL for oranges and grapefruits to 0.30 molL in lemons and limes. Within species these values vary depending on the cultivar and the circumstances in which the fruit was grow. icon History The discovery of citric acid has been credited to the 8th century Persian alchemist Jabir Ibn Hayyan (Geber). Medieval scholars in Europe were aware of the acidic nature of lemon and lime juices; such knowledge is recorded in the 13th century encyclopedia Speculum Majus (The Great Mirror), compiled by Vincent of Beauvais.[citation needed] Citric acid was first isolated in 1784 by the Swedish chemist Carl Wilhelm Scheele, who crystallized it from lemon juice. Industrial-scale citric acid production began in 1890 based on the Italian citrus fruit industry.
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acetic acids
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acetic acids
