Quercetin 3-rutinoside 7-glucoside (Morkotin A) | CAS:30311-61-6

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Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.

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Flavonoid pigments in swallowtail butterflies.[Reference: WebLink]

METHODS AND RESULTS:
Flavonoid pigments have been identified in the swallowtail butterfly Eurytides marcellus and its larval foodplant Asimina triloba (Annonaceae). Although quercetin 3-glycoside, quercetin 3-rutinoside and quercetin 3-rutinoside 7-glucoside are present in the plant, only quercetin 3-glucoside is sequestered by the insect. Flavonoids have also been found in 10 out of 27 other papilionid species examined. These were mainly 3- and 7-glycosides of the flavonols quercetin and kaempferol.
CONCLUSIONS:
The sequestration of flavonoids by papilionid butterflies appears to be related both to the phylogeny of the Papilionidae and to the choice of larval foodplants by the various phylogenetic groups.

Plant Systematics & Evolution, 1975, 124(1):57-66.

Leaf flavonoids ofGalium sect.Aparinoides (Rubiaceae).[Reference: WebLink]

METHODS AND RESULTS:
13 taxa belonging to 4 “species groups” ofGalium L. sect.Aparinoides (JORD.)GREN. produce 15 leaf flavonoids: Apigenin-7-diglucoside, Luteolin-7-monoglucoside and 7-diglucoside, Diosmetin, Diosmetin-7-monoglucoside and 7-diglucoside; Kaempferol-3-rutinoside, Kaempferol-3,7-diglucoside, Quercetin, two Quercetin-3-monoglycosides, Rutin, Quercetin 3-rutinoside 7-glucoside, Quercetin-7-glycoside and an unidentified aglycone. TheG. trifidum, G. obtusum andG. palustre groups (with the exception of theG. tinctorium subspecies andG. elongatum) have similar flavone-flavonole patterns, while theG. antarcticum group produces a specific pattern. Leaf flavonoids of theG. trifidum andG. antarcticum group are inhomogenous, becauseG. tinctorium subsp.tinctorium andG. antarcticum lack flavones.
CONCLUSIONS:
For all taxa (with the exception of those of theG. antarcticum group) intraspecific variation is demonstrated, and 4 populations ofG. trifidum subsp.trifidum, G. tinctorium subsp.tinctorium,G. obtusum subsp.obtusum andG. labradoricum even exhibit intrapopulation variation. The implications of flavonoid data on the systematics and the astonishing intrapopulation and intraspecific variation are discussed.

Product Name	Quercetin 3-rutinoside 7-glucoside (Morkotin A)
CAS No.:	30311-61-6
Catalog No.:	CFN70335
Molecular Formula:	C₃₃H₄₀O₂₁
Molecular Weight:	772.7 g/mol
Purity:	>=98%
Type of Compound:	Flavonoids
Physical Desc.:	Powder
Source:	The fruits of Azadirachta indica
Solvent:	DMSO, Pyridine, Methanol, Ethanol, etc.
Price:	$318/10mg