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Resin acids occur in nature as tacky, yellowish gums consisting of several compounds. They are water-insoluble. A common resin acid is abietic acid. [1] Resin acids are used to produce soaps for diverse applications, but their use is being displaced increasingly by synthetic acids such as 2-ethylhexanoic acid or petroleum-derived naphthenic acids.
The resin-like gum comes from the dried sap extracted from the stem and roots, and is used as a spice. The resin is greyish-white when fresh, but dries to a dark amber colour. The asafoetida resin is difficult to grate and is traditionally crushed between stones or with a hammer.
Examples of resin acids are abietic acid (sylvic acid), C 20 H 30 O 2, plicatic acid contained in cedar, and pimaric acid, C 20 H 30 O 2, a constituent of galipot resin. Abietic acid can also be extracted from rosin by means of hot alcohol. Rosin is obtained from pines and some other plants, mostly conifers. [5] Plant resins are generally ...
Bile acid sequestrants are polymeric compounds that serve as ion-exchange resins. Bile acid sequestrants exchange anions such as chloride ions for bile acids. By doing so, they bind bile acids and sequester them from the enterohepatic circulation. The liver then produces more bile acids to replace those that have been lost.
Structure of abietic acid, a component of rosin. Rosin is the principal component has been used for centuries as a flux for soldering. (Abietic acid in the flux removes oxidation from the surfaces of metals, increasing their ability to bond with the liquified solder.) Is approved by the US FDA as a miscellaneous food additive. [7]
Ceramide can be further hydrolyzed by acid ceramidase to form sphingosine and a free fatty acid, both of which are able to leave the lysosome, unlike ceramide. The long-chain sphingoid bases released from the lysosome may then re-enter pathways for synthesis of ceramide and/or sphingosine-1-phosphate. The salvage pathway re-utilizes long-chain ...
Balsam is a solution of plant-specific resins in plant-specific solvents (essential oils).Such resins can include resin acids, esters, or alcohols.The exudate is a mobile to highly viscous liquid often containing crystallized resin particles.
Shilajit or mumijo, Mohave lava tube, 2018. Shilajit (Sanskrit: शिलाजीत; lit. ' conqueror of mountain ', 'conqueror of the rocks'), salajeet (Urdu: سلاجیت), mumijo or mumlayi or mumie [1] is an organic-mineral product of predominantly biological origin, formed at high altitudes of stony mountains, in sheltered crevices and cave.