Anthraquinones Flashcards
Scientific name - rhubarb
Rheum officinale, Rheum rhaponticum, Rheum palmatum
Family - rhubarb
Polygonaceae
Constituents (3) - rhubarb
Rhein anthrones (2.2%), glucorhein, glucogallic acid
Adulterant for rhapontic rhubarb
Rhaponticin
Which rhubarb variety has a rhanponticin adulterant?
Rhapontic rhubarb
T or F: rhaponticin gives a blue fluorescence under light
t
What is a macroscopic evaluation to determine a certain rhubarb variety?
Fluoresence test (blue fluorescence for rhaponticin of rhapontic rhubarb)
3 types of rhubarb
High-grade (Chinghai, Shensi-type), Medium-grade (Canton-type), Third grade
Use - rhubarb
Kidney stones, Jaundice
Part used - senna
Dried leaflets
Scientific name - senna
Cassia angustifolia (Tinnevelly senna), Cassia acutifolia (Alexandria senna)
Ways to differentiate between the 2 sennas
MgOAc in daylight, Filtered UV
w/ MgOAc in Daylight: Alexandria
Pink
w/ MgOAc in Daylight: Tinnevelly
Orange
Filtered UV: Alexandria
Green-orange
Filtered UV: Tinnevelly
Yellow-green
Family - senna
Fabaceae
Constituents - senna
Sennosides A and B (major), sennosides C and D (minor)
What type of anthraquinone glycoside are the components of senna?
Dianthrone glycoside
Use - senna
Very potent cathartic (more than sacred bark) - due to 2 anthrones
Where is senna cultivated?
Wetlands
T or F: senna resembles rice paddies and are successor to rice
T
Senna resembles what?
Rice paddies
Senna is a successor to what?
Rice
Adulterated with argel leaves
Senna
Senna has an adulterant called ____ (____)
Argel leaves (Solenostemma arghel)
Which senna leaves have the best quality?
Blue-green leaves
Which senna leaves have the poorest quality?
Yellow leaves
What type of anthraquinone glycoside is goa powder?
Anthranol glycoside
Would goa powder test positive on Borntrager’s Test?
No
Would goa powder test positive on Modified Borntrager’s Test?
Yes
Scientific name - goa powder
Andira araroba
Family - goa powder
Fabaceae
Constituents - goa powder
Chrysarobin (anthranol)
T or F: Chrysarobin can be used as a laxative?
F. too drastic effect as laxative or cathartic
Use of chrysarobin
Anti-eczema, anti-psoriasis, antifungal, antiviral (Topical)
Use - goa powder
keratolytic (for psoriasis, trichophytosis, eczema)
What reagent is used to extract chrysarobin?
Hot benzene
Only anthraquinone glycoside too irritating for oral use
Chrysarobin
Hot benzene is used to extract this glycoside
Chrysarobin
What has replaced the use of chrysarobin?
Anthralin