Prodelphinidins on:
[Wikipedia]
[Google]
[Amazon]
Prodelphinidin is a name for the polymeric tannins composed of
Prodelphinidin is a name for the polymeric tannins composed of gallocatechin
Gallocatechol or gallocatechin (GC) is a flavan-3-ol, a type of chemical compound including catechin, with the gallate residue being in an Cis-trans isomerism, isomeric ''trans'' position.
This compound possesses two epimers. The most common, (+) ...
. It yields delphinidin
Delphinidin (also delphinidine) is an anthocyanidin, a primary plant pigment, and also an antioxidant. Delphinidin gives blue hues to flowers in the genera ''Viola'' and ''Delphinium''. It also gives the blue-red color of the grape variety Cab ...
during depolymerisation under oxidative conditions.
Natural occurrences
Prodelphinidins are one of the two sorts of tannins ingrape
A grape is a fruit, botanically a berry, of the deciduous woody vines of the flowering plant genus ''Vitis''. Grapes are a non- climacteric type of fruit, generally occurring in clusters.
The cultivation of grapes began approximately 8,0 ...
(the other being procyanidin
Procyanidins are members of the proanthocyanidin (or condensed tannins) class of flavonoids. They are oligomeric compounds, formed from catechin and epicatechin molecules. They yield cyanidin when depolymerized under oxidative conditions.
See th ...
s) being produced especially in the skin of the berry.
Prodelphinidins can be found in ''Cistus salviifolius
''Cistus salviifolius'', common names sage-leaved rock-rose, salvia cistus or Gallipoli rose, is a shrub of the family Cistaceae.
Etymology
The genus name ''Cistus'' derives from the Ancient Greek words ''κίσθος'' (''kisthos'') meaning bas ...
''. Gallocatechin-(4→8)-catechin (prodelphinidin B3
Prodelphinidin B3 is a prodelphinidin dimer found in food products such as barley and beer, in fruits and pod vegetables. It can also be found in pomegranate
The pomegranate (''Punica granatum'') is a fruit-bearing deciduous shrub in the fam ...
), gallocatechin-(4→8)-gallocatechin and catechin-(4→8)-gallocatechin can be found in the pomegranate
The pomegranate (''Punica granatum'') is a fruit-bearing deciduous shrub in the family Lythraceae, subfamily Punica, Punicoideae, that grows between tall. Rich in symbolic and mythological associations in many cultures, it is thought to have o ...
peels. Prodelphinidin B-2 3'-O-gallate
Prodelphinidin is a name for the polymeric tannins composed of gallocatechin. It yields delphinidin during depolymerisation under oxidative conditions.
Natural occurrences
Prodelphinidins are one of the two sorts of tannins in grape (the other ...
can be found in green tea
Green tea is a type of tea made from the leaves and buds of the '' Camellia sinensis'' that have not undergone the withering and oxidation process that creates oolong teas and black teas. Green tea originated in China in the late 1st millenn ...
leaves and prodelphinidin B-2 3,3'-di-O-gallate
Prodelphinidin is a name for the polymeric tannins composed of gallocatechin. It yields delphinidin during Depolymerization, depolymerisation under oxidative conditions.
Natural occurrences
Prodelphinidins are one of the two sorts of tannins in ...
can be found in ''Myrica rubra
''Myrica rubra'', also called yangmei (; Cantonese: yeung4 mui4; Shanghainese: ), , Chinese bayberry, red bayberry, yumberry, waxberry, or Chinese strawberry (and often mistranslated from Chinese as arbutus) is a subtropical tree grown for its ...
''.
Particular oligomeric prodelphinidins
Prodelphinidin B3
Prodelphinidin B3 is a prodelphinidin dimer found in food products such as barley and beer, in fruits and pod vegetables. It can also be found in pomegranate
The pomegranate (''Punica granatum'') is a fruit-bearing deciduous shrub in the fam ...
(gallocatechin-(4α→8)-catechin) and prodelphinidin B9
Prodelphinidin B9 is a prodelphinidin dimer (chemistry), dimer found in beer.
References
Condensed tannin dimers
{{aromatic-stub ...
(epigallocatechin-(4α→8)-catechin) can be isolated in beer
Beer is an alcoholic beverage produced by the brewing and fermentation of starches from cereal grain—most commonly malted barley, although wheat, maize (corn), rice, and oats are also used. The grain is mashed to convert starch in the ...
. Prodelphinidin C2
Prodelphinidin C2 is a prodelphinidin trimer found in malt
Malt is any cereal grain that has been made to germinate by soaking in water and then stopped from germinating further by drying with hot air, a process known as "malting".
Malted gr ...
(gallocatechin-(4α→8)-gallocatechin-(4α→8)-catechin) can be isolated in malt
Malt is any cereal grain that has been made to germinate by soaking in water and then stopped from germinating further by drying with hot air, a process known as "malting".
Malted grain is used to make beer, whisky, malted milk, malt vinegar, ...
.
The A-type proanthocyanidin epigallocatechin-(2β→7,4β→8)-epicatechin can be found in the leaves of ''Dioclea lasiophylla Dioclea or Diocleia, and also Dioklea or Diokleia may refer to :
* Diocleia (festival), an annual festival in ancient Megara in honor of the hero Diocles, famous for the kissing contest between men
* Dioclea (state), a medieval state of Duklja, i ...
'',
See also
*Crofelemer
Crofelemer (USAN, trade name Mytesi) is an antidiarrheal indicated for the symptomatic relief of non-infectious diarrhea in adult patients with HIV/AIDS on antiretroviral therapy. Other possible uses include diarrhea in children, acute infectiou ...
, a complex mixture of procyanidins and prodelphinidins from the latex of the South American tree ''Croton lechleri
''Croton lechleri'' is a species of flowering plant in the spurge family, Euphorbiaceae, that is native to northwestern South America. It is commonly known as ''sangre de grado'' (Peruvian Spanish), ''sangre de drago'' (Ecuadorian Spanish) or ' ...
'' (locally called Sangre de Grado or Sangre de Drago)
References
{{Condensed tannin Condensed tannins Grape