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单词 casein
释义

caseinn.

Brit. /ˈkeɪsiːn/, /ˈkeɪsɪɪn/, U.S. /ˈkeɪsin/, /ˈkeɪsiɪn/, /ˌkeɪˈsin/
Forms: 1800s caséin, 1800s caseïn, 1800s– casein, 1800s– caseine.
Origin: A borrowing from French. Etymon: French caséine.
Etymology: < French caséine (1820 or earlier; < classical Latin cāseus cheese (see caseous adj.) + French -ine -in suffix1), with remodelling of the ending after -in suffix1.
1. Biochemistry.
a. Any of a group of closely related proteins which are present in colloidal suspension in milk and can be precipitated by acids; these proteins collectively; = caseinogen n. Also: the product of the precipitation of these proteins, or of the coagulation of milk by rennin (= paracasein n.).
ΚΠ
1823 E. Milligan tr. F. Magendie Elem. Compend. Physiol. 363 Now caséin [Fr. caséum] is the most azotised of all the nutritive proximate principles.
1836 Jrnl. Franklin Inst. 21 134 A further application of this mordant of caseine, oil, and lime is in the printing of stuffs.
1866 H. E. Roscoe Lessons Elem. Chem. xli. 353 Casein is the nitrogenous substance contained in milk and cheese.
1891 W. D. Halliburton Text-bk. Chem. Physiol. xxvi. 580 It will be more convenient..to reserve the term casein for the clotted proteid, and to use the word caseinogen for its precursor in the milk.
1919 E. E. Slosson Creative Chem. 142 A mixture of casein and celluloid has something of the merits of both.
1939 Nature 29 Apr. 734/1 A wool-like fibre is made from casein by dissolving in alkali solution and forcing under pressure into a solution containing acid, formaldehyde and either salts or sugars.
1991 Jrnl. Biol. Chem. 273 2889 The caseins of bovine milk are one class of noncrystallizable proteins.
2006 G. Branfoot So Many Memories xviii. 311 Hot water cooks the casein in the milk, so it's harder to get clean.
b. More fully vegetable casein. The protein legumin. Now rare.
ΘΚΠ
the world > life > biology > substance > proteins > [noun]
casein1838
albuminoid1855
xanthoglobulin1868
myochrome1872
xanthoprotein1883
histone1885
globulose1886
phaseolin1893
leucosin1894
nucleohistone1894
nucleon1895
mucoid1898
protone1898
mucinoid1902
myohaemoglobin1906
nucleoprotamine1911
cytozyme1914
leaf protein1917
cytochrome1925
mucoprotein1925
myoglobin1925
flavoprotein1934
oxymyoglobin1935
ferritin1937
lipovitellin1942
arthropodin1947
trypticase1947
erythropoietin1948
phosvitin1948
opsin1951
orosomucoid1955
metallothionein1960
plastocyanin1961
aequorin1962
ferredoxin1962
LDL1962
fetoprotein1964
thioredoxin1964
actinin1965
adrenodoxin1965
lactoferrin1965
myoglobulin1965
rubredoxin1965
uniporter1967
miraculin1968
nexin1970
bacteriorhodopsin1971
molybdoprotein1971
monellin1972
cytokine1974
ankyrin1975
clathrin1975
electromorph1975
tau1975
uniport1975
microtrabecula1976
porin1976
osteocalcin1977
calmodulin1978
monokine1978
PCNA1978
vimentin1978
interleukin1979
laminin1979
titin1979
villin1979
cyclin1981
triskele1981
acumentin1982
perforin1983
statin1985
activin1986
addressin1988
synuclein1988
chemokine1992
1838 Penny Cycl. X. 343/2 Emulsin (vegetable albumen, vegetable casein, or amygdalin) occurs in most of the elaborated juices of plants.
1863 A. Wynter Subtle Brains 157 Casein, or cheese, exists more abundantly in peas and beans than it does in milk itself.
1885 G. L. Goodale in A. Gray & G. L. Goodale Bot. Text-bk. (ed. 6) II. ii. xi. 363 Casein of plants comprises the following substances: legumin, gluten-casein, conglutin.
1918 Amer. Jrnl. Clin. Med. 25 454/1 Like animal casein (cheese), vegetable casein, or legumin, contains per weight a higher proportion of tissue-forming material and nutriment salts than found in any other vegetable substances.
1998 Appl. Animal Behaviour Sci. 20 75 Biotechnology also makes milk substitutes, such as vegetable casein, more economic.
2. humorous. = cheese n.2. Obsolete.Apparently an isolated use.
ΘΚΠ
the mind > goodness and badness > quality of being good > [noun] > good thing
goodeOE
card1840
cheese1840
honey1848
casein1851
hon1896
1851 C. Kingsley Let. (1877) I. 278 Horn minnow looks like a gudgeon, which is the pure caseine.

Compounds

C1. General attributive, frequently in the names of products made from casein.
ΚΠ
1864 F. H. Storer First Outl. Dict. Solubilities Chem. Substances 123/1 All the soluble earthy and metallic salts precipitate casein solutions.
1889 Cent. Dict. Casein glue, a glue made by dissolving casein in a strong solution of borax, used as a substitute for ordinary glue by bookbinders and joiners.
1937 Jrnl. Royal Aeronaut. Soc. 41 526 Unlike casein cements, they are proof against the attacks of mould and fungus.
1966 H. Brean Traces of Merrilee xxii. 208 A coffee table in front of the small sofa bore an open case of artists' materials, carefully cleaned brushes, a full complement of casein paints.
1996 Farmers Weekly 22 Nov. 44/1 Including additional supplies of fermentable energy in grass silage-based cow diets increases milk yield, protein and casein concentration.
2008 Sci. News 29 Mar. 203/2 The ions surround the casein molecules, charging them up so they repel each other.
C2.
casein plastic n. any of a group of plastics made from casein, usually by hardening with formaldehyde; cf. Galalith n.
ΘΚΠ
the world > matter > chemistry > polymer chemistry > resins and plastics > [noun] > others
Parkesine1862
succinite1868
linoxyn1876
polyanhydride1900
polyether1922
casein plastic1925
alkyd resin1928
polyolefin1930
acrylate1934
polymethyl acrylate1936
polyurethane1939
polytetrafluoroethylene1946
society > occupation and work > materials > derived or manufactured material > synthetic resins and plastics > [noun] > plastic > other plastics
hard plastic1896
Galalith1901
Paxolin1918
casein plastic1925
polyvinyl acetate1927
protein plastic1928
Mipolam1936
acrylic1940
styrene plastic1943
bioplastic1946
ABS1957
Noryl1966
1925 Jrnl. Soc. Chem. Industry 44 991/2 Casein plastics are odourless, non-inflammable, and excellent electric insulators.
1943 V. E. Yarsley in R. S. Morrell Synth. Resins (ed. 2) ii. 59 Casein plastic works in all respects like horn and ivory, and it can be turned, drilled, polished, stamped, moulded, and engraved.
2002 Plastics News (Nexis) 16 Sept. 11 His career began when he traveled to Germany to bring back a process for making casein plastics to the United States.

Derivatives

ˈcaseinate n. [after German Caseinat (1844 or earlier; now usually Kaseinat)] casein in colloidal form bound to calcium or other ions.
ΚΠ
1859 Repertory Patent Inventions 34 230 My method of fixing or applying the said colouring matters upon the fabric consists in the employment of them in solution with albumen.., or any other substance having similar properties and capable of forming albuminates, caseinates, &c.
1897 Brit. Med. Jrnl. 2 Jan. 50/2 Owing to the deficiency of lime in boiled milk the action of rennet, which produces from casein (in solution as calcium caseinate) the calcium salt of dys-chymo-caseose (curd) is modified.
1933 S. W. Cole Pract. Physiol. Chem. (ed. 9) viii. 192 This is probably present in cow's milk mainly as neutral calcium caseinate, whilst in human milk there is a considerable amount of potassium caseinate.
1999 BBC Vegetarian Good Food May 96/1 And look out for additives in prepared foods, such as sodium caseinate and whey, which can be a source of lactose.
This entry has been updated (OED Third Edition, September 2014; most recently modified version published online December 2021).
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n.1823
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