LACCA.—LAC.
loi
■
Ross. ; Sard.; Sax.; Wirtem.; Spiel-mann)
R. Seed Lac, in powder, one part.
Alum, one half part.
Distilled Water, eight parts.
Boil together till reduced to one half.When cold, add
Water of Red Roses, ] of each,
two parts.
- Sage,Filter. (Ross. ; Sax.)
R. Powdered Lac, one ounce.
Alum, half an ounce.
Rose Water, two pounds.
Digest in a covered vessel, and filter when
it has become of a fine red colour. (Hisp.)
R. Powdered Lac, one ounce.
Alum, one dram and a half.
Sage Water, three ounces.
Rose Water, one ounce and a half.
Boil together, and filter. (Spielmann)
R. Lac,
Alum,
Sage Water,
Rose Water,
Scurvy-grass Water,Boil slowly, and strain. (Sard.)
Bruns, prescribes one ounce of lac, twodrams of alum, and two ounces each, of thethree waters. — Wtrtem. — one ounce of lac,one dram and a half of alum, and one ounceand a half each, of the three waters.
six drams,two drams.
,}
one ounce,one dram.
of each,two ounces.
of each,one pound.
R. Lac,
Alum,
Sage Water,
Selfheal Water,
Scurvy-grass Water,Digest, without boiling, till the liquorbecomes of a fine red colour, and strain.It may be flavoured by adding two scruplesof cloves. (Palat.)
It is excitant, and is reputed anti-scor-butic. — It is employed in lotions and gargles.
alcoholic tincture of lac. (Amst. ;Fuld. ; Van Mons)
R. Stick Lac, in powder,Alcohol,
one part,six parts.
Infuse for twelve hours in a water-bath,and filter. (Van Mons)
Amst. prescribes one part of lac, andeight parts of alcohol (0.884;, tobe infusedfor eight days. — Fuld. — one of lac and six-teen of spirit of scurvy-grass.
It is recommended in affections of themouth arid gums attributed to weakness,and is most frequently employed in theform of gargle : but it is likely that it onlyacts by virtue of the alcohol which it con-tains.
COMPOUND ALCOHOLIC TINCTURE OF LAC.
(Bavar. ; Ferr.; Lusit. ; Ross.; Sard.;Suec. ; Herbip.)
R. Powdered Lac, one ounce.
Myrrh, three ounces.
Spirit of Scurvy-grass,
one pound and a half.Digest for some days, and strain.(Ross.; Suec)
Lusit. prescribes one ounce of lac, threedrams of myrrh, two pounds of the spirit,and eight days' maceration. — Ferr. — oneounce of lac, two drams of myrrh, and onepound and a half of the spirit.R. Lac, in powder, two ounces.
Alum, in powder, one dram and a half.Spirit of Scurvy-grass, one pound.
Digest in a sand-bath, and strain. (Sard.)Herbip. directs one ounce of lac and twoscruples of alum to be digested in one poundof spirit of scurvy-grass, till the liquor as-sumes a fine red colour. — Lusit.' — oneounce of lac, three drams of myrrh, twopounds of spirit, and eight days' digestion.— Bavar. — five parts of lac, one part ofalum, thirty-six of water, and five of spirit.
It is slightly stimulant, and is recom-mended in lotions and gargles, to astheniculcerations of the mouth. The tinctureprepared according to the second formula ismore active and astringent than the other.
alkaline tincture of lac
Tinctura Laccœ kalica. (Bruns.; Hamb.;Hass. ; Piderit ; Van Mons)
R. Seed Lac, one ounce.
Myrrh, half an ounce.
Pulverize, and pour upon thera
Deliquesced Sub-carbonate of Potass,half an ounce.Reduce the whole to a soft paste ; dry itover a slow fire, and pour upon the pulverizedmass
Spirit of Scurvy-grass, six ounces.
Filter, after three or four days' digestion.
Boerhaave recommended this tinctureinternally, in gout and rheumatism ; andexternally, in scorbutic affections of themouth and gums. He gave it in Spanishor Madeira wine. The sub-carbonate ofpotass is the principal source of its activity.
alumixated tincture of lac. (ant. ;Hisp. ; Sard. ; Herbip.)
R. Powdered Lac, two ounces.
------------- Alum, one dram and a half.
Spirit of Scurvy-grass, one pound.
Digest in a sand-hath, and strain. (Sard.)
Herbip. prescribes half an ounce of lac,
two scruples of alum, and one pound of