Propylene glycol (1,2-propanediol, PG) is a solvent commonly used in the preparation of commercial food flavorings. Under acidic or basic conditions, PG can react with components of food flavorings to give new compounds. Three particular reactions are described: the reaction of PG with aldehydes and ketones to give acetals and ketals, the reaction of PG with organic acids to give mono-and di-esters, and the transesterification reaction of PG with lactones to give dihydroxy esters. The effect of propylene glycol on the sensory quality of stored food flavorings is discussed.
Diagnostic Pathology: Bone was designed for practicing pathologists who need access to up-to-date, comprehensive, and concise bone pathology knowledge in one convenient place. It includes the latest diagnostic information in this challenging subspecialty, while its unique image collection serves as an exceptional educational aid. Authored and updated by experts in the field, Diagnostic Pathology: Bone will be an essential guide to understanding bone tumor pathology and diagnosis. Features quick-reference test data tables and diagnoses of various bone and cartilage tumor types Templated page layout, bulleted text, and a generous number of high-quality images for point-of-care clinical reference Stunning image collection includes gross pathology, histopathology, immunohistochemistry, FISH, and correlative radiologic imaging to serve as an exceptional educational aid Brand-new chapters covering Ewing-like sarcomas with specific translocations, other types of vascular tumors of bone (new entities), and tumors of the synovium Includes new molecular pathology diagnostic information for bone tumors and new immunohistochemical antigens to identify bone pathologies
An abundantly illustrated history of the country school with plans of interiors and grounds. Annotation c. Book News, Inc., Portland, OR (booknews.com).
Thank you for visiting our website. Would you like to provide feedback on how we could improve your experience?
This site does not use any third party cookies with one exception — it uses cookies from Google to deliver its services and to analyze traffic.Learn More.