Vitamin A suppositories

An example of a simple oxidatiim reaction is the craiver-sion of Fe " into Fe. Examples of active substances that are prone to oxidation are acetylcystein, adrenaline, apomorphine, clioquinol, dithranol, dobutamine, ergotamine, hydroquinone, isoniazid, mesalazine, naloxone, neomycin, oxycodone, paracetamol, peptides, salbutamol, phenothiazine derivatives (promazine, promethazine, chlorpromazine), phenylephrine, physostigmine, tetracycline, tretinoin, the vitamins A and D, and the excipients flavouring agents, fragrances and unsaturated fats (vegetable oils, suppository bases). 

The main problem in sample preparation is related to the quantitative recovery of steroids 6om single or multicomponent preparations. Steroids are used therapeutically in most pharmaceutical formulations, including tablets, oily or aqueous injections, capsules, suppositories, creams and ointments. In most cases, sample preparation is not a serious problem. Problems can arise when side reactions occur during extraction. For example. Vitamins D are considered very sensitive compounds among the steroids. They are sensitive to atmospheric oxygen, traces of acids and bases, light, heat, etc. To avoid decomposition during the sample preparation and to obtain reproducible results some precautions are recommended (10) ... 

Uses Emollient for cosmetics, creams/lotions, topicals, makeup, bath preps., aftershave lotions plasticizer solvent, carrier, vehicle in flavors, fragrances, vitamins, antibiotics, medicinals vehicle for nutritional prods. emollient, moisturizer, lubricant, penetrant, extender, carrier, vehicle, solvent, solubilizer, fixing agent, humectant in pharmaceuticals, dermatologicals, dry skin prods., suppositories emollient, moisturizer, vise, modifier for pharmaceuticals ManufAXstrib. A E Connock Inolex Somerset Cosmetic Co. 

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