Astringent cinchona

QnmoTANNic Acm, a tannin existing in cinchona barks, probably in combination with the alkaloids. It is a light yellow substance soluble in water, alcohol, and ether its taste is astringent, but not bitter. Dilute H. SO decomposes it at a boiling temperatim, into glucose and a red substance —quinova red ... 

MERCURIC BICHLORIDE (7487-94-7) HgClj Contact with acids or acid fumes evolves chloride and mercury vapors. Possible violent reaction with chlorine nitrate, sodium acetylide. Incompatible with albumin, alkalis, alkaloid salts, anhydrous ammonia, antimony, arsenic, borax, bromides, carbonates, chloric acid, copper, formates, gelatin, hydrozoic acid, infusions of cinchona, iron, lead and silver salts, lime water, light metals, methyl isocyanoacetate, oak bark or senna, phosphates, potassium, reduced iron, sodiiun, sodium peroxyborate, sulfides, sulfites, tannic acids, trinitrobenzoic acid, urea nitrate, vegetable astringents. Decomposed by sunlight. On small fires, use water spray, fog, foam, dry chemical powder, or CO2 extinguishers. 

Incompat. Tannie acid, infusion cinchona and other vege -table astringent infusions and decoctions iron in soln. 

Definition Extract derived from Cinchona spp. Uses Natural flavoring agent in foods medicine (analgesic, anesthetic, antibacterial, antimalarial, antimicrobial, antipyretic, astringent, bactericide, fungicide, febrifuge. 

Witch hazel (Hamamelis virginiana) extract Zinc oxide astringent, medicine Black catechu (Acacia catechu) extract Cinchona extract Zinc acetate Zinc phenolsulfonate astringent, mild... 

Cinchona has astringent and bitter tonic properties also reportedly has analgesic and local anesthetic properties, among others (Goodman AND Gilman jiangsu naniing). 

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