Drugs with hydrocarbons Flashcards
Pharmacognosy II (38 cards)
What are hydrocarbons?
Hydrocarbons contain C and H and by addition of functional groups can form other natural compounds. The most common functional groups: are carboxylic acid, alcohols, ketones, aldehydes, and phenols. We have also monobasic, dibasic, and tribasic, alcohols, esters, and waxes.
The Latin name for Roselle.
- Hibiscus sabdariffa (Malvaceae)
- dried calyces and epicalyces
What kind of acids does it contain?
- citric
- tartaric
- malic
- lactone and hydroxy citric acid
For what is it used?
a. colorant and flavoring component of herbal preparations
b. astringent and cooling agent
c. diuretic action
The Latin name for Gum Benjamin.
Sumatra benzoin and Siam benzoin
It is obtained from what?
Sumatra benzoin is a balsamic resin obtained from the incised stem Styrax benzoin, and Styrax paralleloneurus.
Which acids does it contain?
It contains free balsamic acid (cinnamic and benzoic) and esters derived from them.
Uses of Sumatra Benzoin.
- expectorant and antiseptic
- ingredient of friar’s balsam or as cosmetic lotion
- food, drinks, perfumery, and toiletry industries
- component of incense
Constituents of artichoke leaf.
- phenolic acid (chlorogenic, caffeic, and cynarin)
- flavonoids (luteolin-7beta-d-glucoside and 7beta-d-rutionoside)
- volatile oils, sesquiperpene lactones
The Latin name for artichoke leaf.
Cynara scolymus
Uses of artichoke leaf.
- indigestion and dyspepsia
- cholagogue
- hepatoprotective properties and antioxidant activity
The Latin name for nettle leaf.
Urtica dioica and U. urens
Constituents of nettle.
- acids (chlorogenic, caffeoylmallic, caffeic, malic, fumaric)
- flavonoids (quercetin and its glycosides isoquercitrin and rutin)
- 5-hydroxytryptamine (serotonin)
Uses of nettle.
- diuretic
- rheumatic
3.assist micturition in cases of benign prostatic hyperplasia
The Latin name for coneflowers.
Echinaceae angustifolia (roots), narrow-leaved coneflower, and E. pallida (pale flower).
Constituents of coneflower.
- echinacoside
- cynarin
- esters involving tartaric acid, such as caftaric acid and cichoric acid
- polysaccharides, alkaylamides, acetylenes
Uses of coneflower.
- immunostimulant properties
- common cold and other respiratory complaints
The Latin name for almond oil.
Prunus dulcis
Uses of almond oil.
- volatile almond oil is used as flavoring agent
- laxative action
- toilet article and vehicle for oily injection
The Latine name for coconut oil.
Cocos nucifera
Characteristics of coconut oil.
Consists of triglycerides mainly lauric and myristic, together with smaller quantities caproic, caprylic, oleic, palmitic, and stearic acids.
Due to its constitution, it has very low iodine value and high saponification value.
It is easily absorbed from GIT (fat absorption problems) due to medium chain-length acids.
Nonaqueous medium for oral administration of some medicines.
The Latin name for linseed oil.
Linum usitatissimum
Uses of linseed oil.
- to make demulcent preparations
- used in liniments and has antibacterial properties
Constitution of linseed oil.
30-40% fixed oil, 6% mucilage, 25% protein, and small quantities of cyanogenetic glucosides linamarin, and lotaustralin.