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| Names | |
|---|---|
| Preferred IUPAC name 9,9′-Bis(3,5-dihydroxyphenoxy)[2,2′-bioxanthrene]-1,1′,3,3′,6,6′,8,8′-octol | |
| Identifiers | |
3D model (JSmol) | |
| ChemSpider | |
PubChem CID | |
CompTox Dashboard (EPA) | |
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| Properties | |
| C36H22O18 | |
| Molar mass | 742.55 g/mol |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
| Infobox references | |
8,8'-Bieckol is an eckol-type phlorotannin found in the brown algae Ecklonia cava [1] and Ecklonia kurome . [2]
Phloroglucinol is an organic compound with the formula C6H3(OH)3. It is a colorless solid. It is used in the synthesis of pharmaceuticals and explosives. Phloroglucinol is one of three isomeric benzenetriols. The other two isomers are hydroxyquinol (1,2,4-benzenetriol) and pyrogallol (1,2,3-benzenetriol). Phloroglucinol, and its benzenetriol isomers, are still defined as "phenols" according to the IUPAC official nomenclature rules of chemical compounds. Many such monophenolics are often termed "polyphenols" by the cosmetic and parapharmaceutical industries, which does not match the scientifically accepted definition.
Arame, sea oak is a species of kelp, of the brown algae, best known for its use in Japanese cuisine.
Y-23684 is an anxiolytic drug with a novel chemical structure, which is used in scientific research. It has similar effects to benzodiazepine drugs, but is structurally distinct and so is classed as a nonbenzodiazepine anxiolytic.
Perrottetinene is a naturally occurring cannabinoid compound found in liverworts from the genus Radula native to Japan, New Zealand and Costa Rica, namely Radula perrottetii, Radula marginata and Radula laxiramea, along with a number of similar compounds. Its chemical structure closely resembles that of THC, the main active component of marijuana. The absolute configuration of perrottetinene was established in 2008 by an enantioselective total synthesis. In 2018, a study showed that perrottetinene is moderately psychoactive through activation of the cannabinoid receptor 1. The same study also reported reduced prostaglandin D2 and E2 brain concentrations in mice after perrottetinene administration.
Ecklonia cava is an edible marine brown alga species found in the ocean off Japan and Korea. It is used as an herbal remedy in the form of an extract called Seanol, a polyphenolic extract, and Ventol, a phlorotannin-rich natural agent. Phlorotannins, such as fucodiphlorethol G, 7-phloro eckol, 6,6'-bieckol, eckol, 8,8'-bieckol, 8,4"'-dieckol and phlorofucofuroeckol A can be isolated from Ecklonia cava. Other components are common sterol derivatives.
Ecklonia is a genus of kelp belonging to the family Lessoniaceae.
An aurone is a heterocyclic chemical compound which is a type of flavonoid. There are two isomers of the molecule, with (E)- and (Z)-configurations. The molecule contains a benzofuran element associated with a benzylidene linked in position 2. In aurone, a chalcone-like group is closed into a 5-membered ring instead of the 6-membered ring more typical of flavonoids.
Phlorotannins are a type of tannins found in brown algae such as kelps and rockweeds or sargassacean species, and in a lower amount also in some red algae. Contrary to hydrolysable or condensed tannins, these compounds are oligomers of phloroglucinol (polyphloroglucinols). As they are called tannins, they have the ability to precipitate proteins. It has been noticed that some phlorotannins have the ability to oxidize and form covalent bonds with some proteins. In contrast, under similar experimental conditions three types of terrestrial tannins apparently did not form covalent complexes with proteins.
Eckol is a phlorotannin isolated from brown algae in the family Lessoniaceae such as species in the genus Ecklonia such as E. cava or E. kurome or in the genus Eisenia such as Eisenia bicyclis.
Croceitalea is a genus in the phylum Bacteroidetes (Bacteria).
Hydrangenol is a dihydroisocoumarin. It can be found in Hydrangea macrophylla, as well as its 8-O-glucoside. (−)-Hydrangenol 4′-O-glucoside and (+)-hydrangenol 4′-O-glucoside can be found in Hydrangeae Dulcis Folium, the processed leaves of H. macrophylla var. thunbergii.
Pedunculagin is an ellagitannin. It is formed from casuarictin via the loss of a gallate group.
Phlorofucofuroeckol A is a phlorotannin isolated from brown algae species such as Eisenia bicyclis, Ecklonia cava, Ecklonia kurome or Ecklonia stolonifera.
Ecklonia stolonifera is a brown alga species in the genus Ecklonia found in the Sea of Japan. It is an edible species traditionally eaten in Japan.
Ecklonia kurome is a brown alga species in the genus Ecklonia found in the Sea of Japan.
Dieckol is a phlorotannin that can be found in arame, in Ecklonia cava or in Ecklonia stolonifera.
6,6'-Bieckol is an eckol-type phlorotannin found in the brown algae Ecklonia cava and Ecklonia stolonifera.
Eckstolonol is a phlorotannin found in the edible brown algae arame and turuarame.
Beta-amyrin synthase is an enzyme with systematic name (3S)-2,3-epoxy-2,3-dihydrosqualene mutase . This enzyme catalyses the following chemical reaction
Winogradskyella eckloniae is a Gram-negative, aerobic, rod-shaped and motile bacterium from the genus of Winogradskyella which has been isolated from the alga Ecklonia cava from the Jeju Island.
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