1127
Mr* seec ^ s b y distillation), emulsin, starch , fixed oil, and woody
Pan^ Jn< '” tPecatiar gum of Quince seed; Bassorin; Mucus; Quince Mucilage). —One°‘ quince seed forms, with forty parts of water, a thick mucilage, which produces,lead 116 l (| ll°"' 11 t!' suits, Gelatinous coagula or precipitates ; acetate and diacetate of
s«; •’ I ,r °tochloride of tin, nitrate of mercury, ami sesquichloride of iron. Rectified
‘ ' .
r,t produces at first scarcely any effect; after some time partial coagulation iseffected.
Suliiu,"*al ;
fitriol communicates a pinkish tint, and causes the separation of a frothy coa-> which floats on the mixture. Silicate of potash, infusion of nutgalls, and'“Un**? °f ammonia, produce no change in the mucilage. Quince mucilage, usually^ assor 'n, appears to me to be a peculiar substance: hence I propose to call ittate r* is distinguished from arabine (see gum. Arabic) by the effect of alcohol, sili-b e l 0 °J Potash,sulphuric acid, and oxalate of ammonia; from bassorin and cerasin (see(J V its solubility in water, both hot and cold; from tragacanthin (kee gum traga-Seen' ^ le effect of sulphate of iron, oxalate of ammonia, and alcohol; from carra-ejfp lft . ( see p. 564) by the effect of silicate of potash and acetate of lead.—(For someJ:' ; ' rini, 'uts on mucilage of quince seed, see Bostock, in Nicholson's Journal, vol.'• P- 31).
j^fiYsioLOGiCAL Effects.—T lie fruit is not eatable in its raw state.
e Wed in pies or tarts, along with apples, it is much esteemed. The•hi SSC d .juice (succus cydoniee) is said to be cooling and astringent.q u - exc ellent marmalade (miva cydoniee) and syrup are prepared from theij e j Ce by the confectioner. The mucilage of quince seed is nutritive,^’o i Ce ot, and emollient. The whole seeds, if taken in large quantity,Jiel l P erba ps, act like bitter almonds (see p. 1110), as they are said tohydrocyanic acid.
'bn u Es *—Quince seeds are employed in medicine only on account of theyj ago which they yield.
3 ii . ICCr> cruM Cydonije, L. Mucilage of Quince Seed. (Quince seed,qt, • ^stilled Water, Oj. Boil with a gentle heat for ten minutes, and-—Never used internally. Employed externally as an emollientCop- Scathing application to cracked lips and nipples ; to the inflamed(pj^'etiva; to the skin when affected with erysipelas; to painful
' tl,l0rr hoidal tumours, &c. Hair-dressers use it, as a cement, for dressing
e li
air in braids.
Other Medicinal Rosacea.
“ilier ? d’ e stems of the Cherry (Cerasus avium), Plum (Prunus domestica ), and someV"diio^ 060118 trecs > there exudes a mucilaginous liquor, which concretes into tears,
«tc.
Of
I' tle gummi nostras, cherry-tree gum (gummi cerasi), plum tree gum (gummi pruni),tw 0 ma y be employed in medicine as a substitute for tragaeanth gum. It consiststae othe’ UlUm y‘l )r ' n ciples : oue called arabine (see gum Arabic), soluble in cold water;, Alc^J ^ttued prunin or cerasin, insoluble in cold, but soluble in hot water.
It rlj a( , ( ,,ii ““ arvensis, Field Ladies’ Mantle, or Parsley Piert, is a small, indigenous,
*0*1
It belongs to Tetrandria, Monogynia, in the
,*Ua] s us plant, with green flowers. „ .....
?i))ou s It I s astringent (owing to tannic acid), and, perhaps, slightly mucila-
? r av e ;' It w as formerly eaten raw or pickled, and thought serviceable in cases olLi uh r f U,nc '■ hence it was called break-stone. Prout (Inq. into the Nat. and Treat.*' ar ticni e es ’ ^ c - PP- 149 and 185, 2nd ed.) regards it as a diuretic, and as producing-,in
t^i Ul a.r i* , i i if
en
JUj, . I J”----7--/ - ’15-- -- .-- 7 . * • • )••
, states of the system, a large secretion of lithic acid. A strong infusion of it,'fequpntl., __ I _* »_i:.r i_ • .i,_ i __ tl,»
^ ^. ,,s phat^ Uen ^y’ S0lnet imes gives great relief, he says, in the less severe cases of the', lla rv n » C ° r ear thy deposit, where the source of irritation is chiefly confined to the
*«qfV n ucpuoit, nuutu tut/ wuivu ui iiiuuuuii vmvnj .— -- ~
^Uced r ^ ans > ai *d where the constitution is sound, and the strength not remarkablyVa fious species of Rosa, perhaps most frequently on R. rubiginosa, the Sweet