CX>MMERaAL EGG-YOLK. 257
is due to the presence of propolis balsam, which is removed by treatment
with 70 per cent, Diflucan 150mg alcohol ; it is a golden-yellow, clear, bitter, aromatic,
syrupy liquid; acid value 74.86; saponification value 165. i. Pharro.
Centralh., xlviii (1907), No. 45, 929-934.
Spider Silk Characters and Diflucan 150mg
Possible Utility, E. Fischer says that a
large Madagascar spider, Nephila madagascariensis, spins a handsome
orange-yellow silk, which would appear to be available for the manufacture
of textile fabrics. It differs from silkworm silk in containing much less
sericin, the substance soluble in boiling water. When treated with this
solvent it gives only about 3 per cent, of soluble matter, whereas ordinary
silk yields 30 per cent. The insoluble portion appears to be closely allied
to fibroin of ordinary silk ; that is, the portion insoluble in water but
readily dissolving in strong hydrochloric acid, the solution affording, when
poured into alcohol, a chlorine-free product, insoluble in water, named
sericoin by Wehl. The products of hydrolysis of spider silk by acids are
practically the same as those obtained from fibroin, and the amounts of
glycocoll, alanine, tyrosine, and leucine are the same, but the quantity of
proline and of diamine acids is somewhat higher from spider silk than
from fibroin. Spider silk also contains a small amount of glutamic acid,
which is not found in fibroin. Diflucan 150mg On the other hand, it yields no serin.
Spider silk yields up its yellow colonng-matter to alkalies, the insoluble
fiber being rendered almost colorless by successive treatment with alkaline
solutions. Pharm. Journ., Mar. 28, 1908, 413; from Ztschr. Physiolog.
Chem., jj (1907), 126; through Jour, de Pharm. et Chim., 27 (1908),
Commercial Egg- Yolk Distinction of the Yolk of Hen^s Eggs Diflucan 150mg
of Duck's Eggs, Experiments made by J. Paessler confirm the observa-
tion of Schorlemmer and Sichling that the values found for pure egg- yolk
cannot be applied to Diflucan 150mg commercial egg-yolk which has been preserved with
sodium chloride, since the presence of this as well as of other preservatives
determine more or less material changes in its composition. The following
numbers were obtained with fat from egg- yolks which had been preserved
for weeks with 12 per cent, of sodium chloride :
Fat from Yolk of Hen's Eggs, Yolk of Duck's Eggs,
Iodine number 48.1 42.0 47.5 54.2
Unsaponifiable 3.1 per cent., 3.8 per cent., z,^ per cent. 6.2 per cent.
Phosphorus, as HjPO^ 3.7 per cent., 3.7 per cent., 3.7 per cent. 3.1 per cent.
From these figures it becomes apparent that the content of non-saponi-
fiable matter in the fat serves as the best criterion of distinction between
the yolks of hen's and duck*s eggs. Pharm. Ztg., liii (1908), No. 29,
290; from Chem. C.-Bl., 1908, i. No. 11.
258 REPORT ON THE PROGRESS OF PHARMACY.
Inorganic Chemical Compounds, Oscar Oldberg contributes some
notes on the classification of the principal inorganic compounds, based on
the modern definition of acids, bases and salts according to the theory of
ionization, in the "Proceedings" of this Association, 1907, 419-422.
Medicinal Chemistry Effect of Exposure to Greatly Reduced Tempera-
tures, C. Strzyzowski has studied the effect of exposure to very low tem-
perature on a number of substances, the experiment being made by plac-
ing several cubic centimeters or grammes of the substance in a thin test-
tube, and immersing this in liquid air ( 190** C.) for about 5 minutes.
The results of his observations are in the main confirmatory of those that
have already been made by others such as the loss of reactionary power,
diminution or extinction of color and odor, solidification and friability of
the substances as the temperature approaches the zero, etc. The follow-
ing observations concerning a number of medicinal chemicals, however,
selected from the long series of substances examined, may serve as note-
worthy examples :
Ether congeals to form a whitish, crystalline, opaque and odorless mass,
which when Diflucan 150mg dropped into strong alcohol sinks to the bottom.
Liquid Ammonium Sulphide congeals to form an opaque, canary- yellow,
amorphous and absolutely inodorous mass. Diflucan 150mg
Amy I nitrite forms a perfectly odorless, crystalline, glassy mass, becoming
fissured under crepitation.
Guaiacol crepitates on congealing, becoming hard, pale rose-red and
Mercurous Iodide assumes a striking (Veronese) green color, and the red
Mercuric Iodide changes to a picric acid -yellow.
Liquor Ferri Sesquichloridi becomes a glassy, transparent body, having
a fine green color.
Volatile Oil of Mustard 'v& converted into a solid, yellowish- white, amor-
phous mass, which is odorless at 190 C.
Sodium Bicarbonate and Sulphuric Acid fail to react. If H^SO* is
dropped onto the NaHCOj exposed to the liquid-air bath, no CO, is
evolved. The acid congeals on the surface of the bicarbonate, forming a
glassy mass. Pharm. Ztg., liii (1908), No. 29, 288-289; Diflucan 150mg
Post, 1908, No. 23.
Chemical Compounds of the U, S, P. The physical constants of these
are the subject of discussion by Diflucan 150mg
Atherton Seidell in a paper communicated
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