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HPC is an ether of cellulose in which some of the hydroxyl groups in the repeating glucose units have been hydroxypropylated forming -OCH 2 CH(OH)CH 3 groups using propylene oxide. The average number of substituted hydroxyl groups per glucose unit is referred to as the degree of substitution (DS).
hydroxypropyl cellulose: cellulose fibre from wood pulp with –OCH 2 CH(OH)CH 3 groups added gives body I. isobutane: Isobutane (CH 3) 2 CHCH 3:
Natural gelators include tragacanth, [6] gelatin, collagen, [4] and guar gum; semi-synthemic gelators include methylcellulose and other cellulose derivatives; [5] [8] [6] while synthetic gelators include carbomers, [6] polyvinyl alcohol, polyethylene and its copolymers.
Hypromellose , short for hydroxypropyl methylcellulose (HPMC), is a semisynthetic, inert, viscoelastic polymer used in eye drops, as well as an excipient and controlled-delivery component in oral medicaments, found in a variety of commercial products. [1] [2] The full form of HPMC is Hydroxypropyl Methyl Cellulose.
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Hydroxypropyl cellulose, a derivative of cellulose Heterotrophic Plate Count a procedure for estimating the number of live, culturable heterotrophic bacteria in water HPC (Hematopoietic Progenitor Cell), Cord Blood is the brand name of an allogeneic cord blood hematopoietic progenitor cell therapy
This page was last edited on 9 December 2023, at 01:36 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
powdered cellulose, microcrystalline cellulose anti-caking agent 461 A E U methylcellulose: thickener, emulsifier, vegetable gum 463 E U hydroxypropyl cellulose: thickener, vegetable gum, emulsifier 464 A E U hydroxypropyl methylcellulose: thickener, vegetable gum, emulsifier 465 A E U methyl ethyl cellulose, ethyl methyl cellulose