''Uncaria guianensis'', the cat's claw, is a plant species in the genus ''
Uncaria
''Uncaria'' is a genus of flowering plants in the family Rubiaceae. It has about 40 species.''Uncaria'' At: World Checklist of Rubiaceae At: Kew Gardens Website. (see ''External links'' below). Their distribution is pantropical, with most speci ...
'' found in the
Amazon biome. Other names for the plant include ''uña de gato'', ''Paraguayo'' and ''vincaria''.
[Uncaria guianensis on liberherbarum.com]
/ref>
''Uncaria guianensis'' contains many phytochemicals ((-)- epicatechin, alkaloid, beta- Sitosterol, campesterol
Campesterol is a phytosterol whose chemical structure is similar to that of cholesterol, and is one of the ingredients for E number E499.
Natural occurrences
Many vegetables, fruits, nuts, and seeds contain campesterol, but in low concentrat ...
, campherol, catechol
Catechol ( or ), also known as pyrocatechol or 1,2-dihydroxybenzene, is a toxic organic compound with the molecular formula . It is the ''ortho'' isomer of the three isomeric benzenediols. This colorless compound occurs naturally in trace amoun ...
, catechutannic acid, chlorogenic acid
Chlorogenic acid (CGA) is the ester of caffeic acid and (−)-quinic acid, functioning as an intermediate in lignin biosynthesis. The term "chlorogenic acids" refers to a related polyphenol family of esters, including hydroxycinnamic acids ( caf ...
, ellagic acid
Ellagic acid is a polyphenol found in numerous fruits and vegetables. It is the dilactone of hexahydroxydiphenic acid.
Name
The name comes from the French term ''acide ellagique'', from the word ''galle'' spelled backwards because it can be ...
, gallic acid
Gallic acid (also known as 3,4,5-trihydroxybenzoic acid) is a trihydroxybenzoic acid with the formula C6 H2( OH)3CO2H. It is classified as a phenolic acid. It is found in gallnuts, sumac, witch hazel, tea leaves, oak bark, and other plants. I ...
, hyperin, oleanolic acid
Oleanolic acid or oleanic acid is a naturally occurring pentacyclic triterpenoid related to betulinic acid. It is widely distributed in food and plants where it exists as a free acid or as an aglycone of triterpenoid saponins.
Natural occurren ...
, rutin
Rutin, also called rutoside, quercetin-3-O-rutinoside and sophorin, is the glycoside combining the flavonol quercetin and the disaccharide rutinose (α-L-rhamnopyranosyl-(1→6)-β-D-glucopyranose). It is a flavonoid found in a wide variety of pl ...
, stigmasterol
Stigmasterol – a plant sterol (''phytosterol'') – is among the most abundant of plant sterols, having a major function to maintain the structure and physiology of cell membranes. In the European Union, it is a food additive listed with E num ...
, ursolic acid
Ursolic acid (sometimes referred to as urson, prunol, malol, or 3β-hydroxyurs-12-en-28-oic acid), is a pentacyclic triterpenoid identified in the epicuticular waxes of apples as early as 1920 and widely found in the peels of fruits, as well ...
)[ and proanthocyanidin B1 and ]proanthocyanidin B2
Procyanidin B2 is a B type proanthocyanidin. Its structure is (−)- Epicatechin-(4β→8)-(−)-epicatechin.
Procyanidin B2 can be found in ''Cinchona pubescens'' (Chinchona: in the rind, bark, and cortex), in ''Cinnamomum verum'' (Ceylon cinnamo ...
,liberherbarum.com
Proanthocyanidin-B2 B type proanthocyanidins, in the root.
References
External links
*
*
guianensis
{{Cinchonoideae-stub