Definition of Usnic. Meaning of Usnic. Synonyms of Usnic

Here you will find one or more explanations in English for the word Usnic. Also in the bottom left of the page several parts of wikipedia pages related to the word Usnic and, of course, Usnic synonyms and on the right images related to the word Usnic.

Definition of Usnic

Usnic
Usnic Us"nic, a. (Chem.) Pertaining to, or designating, a complex acid obtained, as a yellow crystalline substance, from certain genera of lichens (Usnea, Parmelia, etc.).

Meaning of Usnic from wikipedia

- Usnic acid is a naturally occurring dibenzofuran derivative found in several lichen species with the formula C18H16O7. It was first isolated by German...
- Exposure to UV-B radiation induces the ac****ulation of usnic acid and melanic compounds. Usnic acid is thought to play a role in protecting the photosymbiont...
- usNIC (user-space NIC) is Cisco's low-latency computer networking product for MPI over 10 Gigabit Ethernet in high-performance computing. It operates...
- accord with the reported presence of the known lichenous natural product usnic acid, though as of 2015, no report appears indicating the standard cyanobacterial...
- 4-cyclohexadien-1-one + NAD+ ⇌ {\displaystyle \rightleftharpoons } (S)-usnic acid + NADH + H+ In the reverse direction, (S)-usnate is reduced by NADH...
- to the action of lichen phenolics such as usnic acid derivatives. From the 1950s the lichen product usnic acid was the object of most antitumour research...
- usnate is the copper salt of usnic acid. It has been used as an antimicrobial. Frankos VH (January 2005). "NTP nomination for usnic acid and Usnea barbata herb"...
- determined by the photosynthetic component. Special pigments, such as yellow usnic acid, give lichens a variety of colors, including reds, oranges, yellows...
- attached. Secondary metabolites found in Xanthoparmelia conspersa include usnic acid, hyposalazinic acid, stictic and norstictic acid. "Xanthoparmelia conspersa...
- high quality. According to Paul Bergner, Author of Medical Herbalism. "The usnic acid in Usnea is effective against gram positive bacteria such as Streptococcus...
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