Definition Carboxylic acids are organic acids with the general structure R-COOH (less commonly: R-CO2H). It is composed of a residue, a carbonyl group, and a hydroxyl group. The functional group is called the carboxy group (carboxyl group). Molecules with two or three carboxy groups are called dicarboxylic acids or tricarboxylic acids. An example of a … Carboxylic Acids
Products Preservatives can be found in liquid, semi-solid and solid pharmaceuticals. They are also used for food and cosmetics. Structure and properties Preservatives belong to various chemical groups. These include, for example: Acids and their salts Benzoic acid derivatives, 4-hydroxybenzoic acid derivatives. Quaternary ammonium compounds Alcohols Phenols Preservatives can be of natural and synthetic origin. … Preservative
Products Some drugs are commercially available as mouthwashes. A selection of the active ingredients they contain is listed below: Local anesthetics: Lidocaine Disinfectant: chlorhexidine Herbal extracts: chamomile, sage, echinacea, mallow. Anti-inflammatory: benzydamine Antibiotics: Tyrothricin Structure and properties Mouthwashes are liquid dosage forms for the administration of active pharmaceutical ingredients into the mouth and throat. They … Mouthwashes
Definition On the one hand, drugs contain the active ingredients that mediate the pharmacological effects. On the other hand, they consist of excipients, which are used for the production or to support and regulate the drug effect. Placebos, which consist only of excipients and contain no active ingredients, are an exception. Excipients can be of … Auxiliary Materials
Products Bread is available, for example, in bakeries and grocery stores, and people also like to make their own. Most additives for baking bread are available in pharmacies and drugstores. Ingredients Only four basic ingredients are needed to make a loaf of bread: Cereal flour, e.g. wheat, barley, rye and spelt flour. Drinking water Salt … Bread
Products Acid regulators are available as pure substances in specialized stores, for example in pharmacies and drugstores. They are found in numerous foods as additives (with E numbers) and in medicines as excipients. Structure and properties Acidity regulators are organic and inorganic acids and bases. Some examples are listed below: Acids: Adipic acid Malic acid … Acid Regulators
