منابع مشابه
Post Harvest Discoloration of Dark-Fleshed Fish Muscle: A Review
Discoloration of dark-fleshed fish species during storage and processing was mainly due to the reaction of myoglobin, a monomeric globular heme protein contributed to the pigmentation of red meat fish, alone and with other muscle components. Metmyoglobin formation caused by the autooxidation of myoglobin was a major factor influencing the darkening of dark-fleshed fish meat during iced and froz...
متن کاملThe yellow discoloration of desflurane
rane (Suprane, Baxter Healthcare, Puerto Rico, USA) in the Dräger vaporizer (Dräger D-vapor, Dräger Medical GmbH, Lübeck, Germany) had turned yellow while filling the vaporizer (Fig. 1). We immediately changed the vaporizer. Yellow discoloration of desflurane occurs relatively infrequently and is not widely known; however, this was the second incident in our hospital. The yellowing of desfluran...
متن کاملTooth Discoloration-A Review
Tooth colour has esthetic importance since it is visible during speech and smile. It plays a major role in overall smile of an individual. This review discusses the various causes of tooth discoloration.
متن کاملDifferential diagnosis of tooth discoloration
considerations and assumptions Scientifically, the following questions have not been accurately answered yet: 1. What determines tooth color, its shades and hues and its variations even in the same person? 2. Does tooth color result from the distribution of a pigment at variable concentrations in tooth structure? 3. Is color a consequence of the level of mineralization of tooth tissues, their t...
متن کاملTooth Discoloration and Bleaching
Bacterial, mechanical, or chemical irritation to the pulp may result in tissue necrosis and release of disintegration by-products that may penetrate tubules and discolor the surrounding dentin. The degree of discoloration is directly related to how long the pulp has been necrotic. The longer the discoloration compounds are present in the pulp chamber, the greater the discoloration. Such discolo...
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ژورنال
عنوان ژورنال: NIPPON SUISAN GAKKAISHI
سال: 1963
ISSN: 1349-998X,0021-5392
DOI: 10.2331/suisan.29.1037