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    API refers to the pharmaceutical raw materials used in the production of various types of preparations. It is the active ingredient in the preparations. It is prepared by chemical synthesis, plant extraction, or biotechnology for various powders, crystals, and extracts used as medicinal products. Substances that the patient cannot take directly. Complete definition of API in ICH Q7A: It is intended to be used for any substance or mixture of substances in the manufacture of drugs, and when used in pharmaceuticals, it becomes an active ingredient of drugs.

    Inhibitor Drugs

    Inhibitors drugs are psychotropic drugs, and common ones include alcohol, opium, and barbiturates, which inhibit or reduce the transmission of nerve impulses in the central nervous system, thereby suppressing (slowing) mental and physical activity. "Inhibitor Drugs" on Echemi mainly supplies APIs for inhibitor drugs.

    Anti-stress Drugs

    Anti-stress drugs refer to drugs that relieve and prevent stress syndrome caused by stressors, and can be divided into stress preventive agents, pro-adapters, or stress relievers. At present, commonly used anti-stress drugs include sugars (such as glucose, active polysaccharides, chitosan, etc.), vitamins, amino acids (lysine, methionine, tryptophan, taurine, glutamine, etc.) ), Electrolyte minerals (sodium bicarbonate, sodium chloride, potassium chloride, ammonium chloride, organic magnesium, selenium, zinc, chromium), organic acids (citric acid, malic acid, humic acid, betaine, etc.) ), Vitamins, chemical drugs, Chinese herbal medicine, etc. "Anti-stress Drugs" on Echemi mainly supplies APIs for anti-stress drugs.


    Antibiotic refers to a class of secondary metabolites produced by microorganisms (including bacteria, fungi, actinomyces) or higher animals and plants that have anti-pathogens or other activities during their life, and can interfere with the development of other living cells chemical material. With the widespread use and even abuse of antibiotics, antibiotic resistance is posing a threat to global health. Therefore, the development of new antibiotics is imperative, and based on different mechanisms of new antiviotics are at different stages of research and development. The rapid development of biotechnology has promoted the development of antibody drugs and antibacterial peptide drugs, and has become a new force in the field of antibiotics. The development is expected to provide a new way for the prevention and control of pathogenic microorganisms while solving antibiotic resistance. The "Echemi Antibiotics" list mainly supplies APIs for such drugs.

    Fluid, Electrolyte, and Acid-base Balance

    Fluid, Electrolyte, and Acid-base Balance are necessary to maintain a constant environment in the human body, ensure normal metabolism of cells and maintain normal physiological functions of various organs. Commonly used fluid, electrolyte and acid-base balance regulating drugs mainly include the following categories: glucose, mineral salts, etc., mainly including sodium, potassium, calcium, magnesium and phosphorus. They participate in various metabolic processes and physiological activities in the body, and can provide energy, which plays an important role in maintaining body fluid capacity, osmotic pressure, various electrolyte concentrations, and pH balance. The "Echemi Fluid, Electrolyte, and Acid-base Balance" list mainly supplies APIs for such drugs.
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