Bitter Principles Flashcards
Uncetain chemicals of bitter principles?
Picrotoxin, colocynthin, quassin
Abundant bitter principles?
Compositae?
Labiatae?
Gentianaceae?
All of them
Phenolic bitter principles family?
Rutaceae or cannabinaceae?
Cannabinaceae
Humulus lupulus cannabinaceae
Humulone + lupulone
What is used in the preparation of beer? Belongs to which bitter principle
Hops, Phenolic bitter principle
Alcoholic soln. Humulone + Fecl3 —> ??
Reddish violet
Santonin belongs to lactone or coumarin bitter principles?
Its family?
Lactone
Compositae
% of santonin and artemisin
2-3.5% of santonin and artemisin
Santonin + NaOH —> ??
Violet red changes to reddish yellow
Santonin + ?? + h2o —> no colour , + fecl3 —> violet
H2so4
Khellin is a chromone bitter principle, its S.N?
Ammi Visnaga Umbellifera
Ammi visnaga umbellifera refers to chromone or coumarone?
Chromone
Khellin + ?? —> rose red
KOH
Khellin + tannic acid. —> ??
Faint ppt.
Uses: coronary vasodilator + bronchodilator
Bitter principle ?S.N ?
Chromone, ammi visnaga
Khellin
Xanthotoxin (ammoidin) is coumarone or coumarin?
Coumarin
Ammi majus (family?)
Ruta gravelolens (family?)
Fragara xanthoxyloides (family?)
Coumarone or coumarin?
Umbelliferae
Rotaceae
Umbelliferae
Coumarins of xanthotoxin
Xanthotoxin + h2so4 —>
Xanthotoxin + froehd’s reagemt —>
Orange yellow
Which reagent gives orange yellow —> light green when reacting with xanthotoxin?
H2SO4
Which reagent gives orange yellow —> dirty green when reacting with xanthotoxin?
Froehd’s reagent
Used for leukodermia?
Xanthotoxin (ammoidin) , coumarin bitter principle
Ammi majus umbelliferae
Fragara xanthoxyloides umbelliferae
Ruta gravelolens rutaceae
Coumarone bitter principles ? Xanthotoxin - khellin - rotenone?
Rotenone
Derris elleptica, derris malacecensis! Lonchocqrpus utilis refer to family? (Liliaceae or leguminosae)?
Leguminosae
Preparation pf coumarone, rotenone
Powder + ?? In Soxhlet
Ccl4
Preparation pf coumarone, rotenone
Rotenone+ acetone + 50% HNO3 giving what colour ? Red - Blue - violet?
Blue
What compound is known as climbing shrub?
Picrotoxin
[Anamirta cocculus Menispermaceae]
Menispermaceae belongs to ( picrotoxin or quassin)?
Picrotixin
A. Picrotoxin + H2SO4 giving what colour?
B. Pictotoxin + H2SO4 react with what to give blue colour?
C. Picrotixn +?? —> green colour
A. Golden yellow turns to reddish brown
B. Anisaldehyde
C. Vanillin hydrochloride
What is used as antidote ( barbiturates poisoning)?
Picrotoxin ( anamirta cocculus Menispermaceae)
What is known to be as insecticide and anthelmintic? Picrotixin or quassin?
Quassin
Picrotixn: as antidote for barbiturate poisoning
Simaroubaceae for quassin or pyrethrum?
Quassin
Quassin+ sucrose + h2so4 —> red or violet?
Red
Quassin + phloroglucin + hcl —> violet or crimson colour?
All red colour of quassin test
Crimson colour (red)
Sponge Tethya crypta is Ara-A (1) or avarol (4)
Ara-A (1)
Is ara-A 1 semi synthetic (yes / No)
Yes. Its semi synthetic