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Although a wide range of terpene structures exist, few of them are biologically significant; by contrast, diterpenoids possess a rich pharmacology and include important compounds such as retinol, phytol or taxadiene.
Carbohydrate-deficient transferrin (CDT, also known as desialotransferrin or asialotransferrin) is a laboratory test used to help detect heavy ethanol consumption. [ 1 ] Physiology
The terpene alpha-pinene is a major component of the common solvent, turpentine. The one terpene that has major applications is natural rubber (i.e., polyisoprene). The possibility that other terpenes could be used as precursors to produce synthetic polymers has been investigated. Many terpenes have been shown to have pharmacological effects.
Sequences containing this protein domain belong to the terpene synthase family. It has been suggested that this gene family be designated tps (for terpene synthase). Sequence comparisons reveal similarities between the monoterpene (C 10) synthases, sesquiterpene (C 15) synthases and the diterpene (C 20) synthases. It has been split into six ...
The provitamin beta carotene is a terpene derivative called a carotenoid. The steroids and sterols in animals are biologically produced from terpenoid precursors. Sometimes terpenoids are added to proteins, e.g., to enhance their attachment to the cell membrane; this is known as isoprenylation.
Panay, the former chief product officer of Microsoft, joined Amazon last October as the head of its gadgets and services division, including Alexa. As a result, his most pressing task since day ...
Side-products are β-terpineol in a mixture of the cis isomer, the trans isomer, and 4-terpineol. The biosynthesis of α-terpineol proceeds from geranyl pyrophosphate, which releases pyrophosphate to give the terpinyl cation. This carbocation is the precursor to many terpenes and terpenoids. Its hydrolysis gives terpineol.
In the biosynthesis of serotonin, the intermediate product is not tryptamine but 5-hydroxytryptophan, which is in turn decarboxylated to form 5-hydroxytryptamine (serotonin). [ 13 ] Biosynthesis of β-carboline alkaloids occurs through the formation of Schiff base from tryptamine and aldehyde (or keto acid ) and subsequent intramolecular ...