albuminoidadj.n.

1795 C. Caldwell tr. J. F. Blumenbach Elements Physiol. II. xli. 139 An albuminoid drop [L. albuminosa gutta]..appears to be indeed the principal fluid which the female contributes towards the process of conception.

1826 London Med. Repository & Rev. New Ser. 2 529 The Fallopian tubes at the same time..embrace the ovaria with their fimbriated extremities, which thus burst the ovum, and absorb its albuminoid fluid.

1859 G. H. Lewes Physiol. Common Life I. ii. 128 These four albuminoid substances, namely albumen, fibrine, caseine, and gluten.

1869 T. H. Huxley in Fortn. Rev. Feb. 135 All living matter is more or less albuminoid.

1903 E. A. Minchin in E. R. Lankester Zool. I. ii. 182 The so-called carminophilous granules,..composed apparently of an albuminoid substance which is stained red by picrocarmine and acetocarmine.

1922 J. Joyce Ulysses 483 I have examined the patient's urine. It's albuminoid.

1949 H. W. C. Vines Green's Man. Pathol. (ed. 17) iii. 24 Cloudy swelling, also known as parenchymatous, granular, or albuminoid degeneration, is..found in all diseases attended by considerable pyrexia or toxæmia.

1965 F. Gerrard Macgregor's Struct. Meat Animals (ed. 2) vii. 131 The Nitrogenous Ratio, sometimes called the Albuminoid Ratio, is the proportion of the proteins to the sum of the carbohydrates, the fats multiplied by 2.5, and the indigestible matter or roughage.

2000 C. A. Russell in F. L. Holmes & T. H. Levere Instruments & Exper. Hist. Chem. xii. 325 The results..raised the critical question as to whether albuminoid substances were in fact the right subjects for analysis.

1926 Jrnl. N.Y. Entomol. Soc. 34 328 Albuminoid, simple proteins like collagen, according to Hawk ‘include the principal organic constituents of the skeletal structure of animals’.

1928 Science 17 Feb. 194/2 I concluded that the cuticula of nematodes was composed of a protein of the albuminoid type.

1971 Radiation Res. 47 189 Large concentrations of RNA are associated with the insoluble albuminoid proteins of the lens.

2002 Nikkei Weekly (Japan) (Nexis) 4 Mar. Mikimoto Pharmaceutical Co. has released a health supplement that contains conchiolin, an albuminoid protein extracted from pearl shells.

1855 Brit. & Foreign Medico-chirurg. Rev. 15 547 The protein bodies. Numerous memoirs have been published upon this subject amongst which we may especially notice the following..Leconte and De Goumoens: On the Albuminoids, [etc.].

1873 Pop. Sci. Monthly Dec. 162 The plastic matters of which vegetable tissue is built..are of two kinds, viz., amyloids..and albuminoids.

1896 Daily News 26 Mar. 5/1 The Italian workman has too much hydrocarbonate for dinner, and too little albuminoid.

1931 A. D. Hall Soil (ed. 4) v. 169 Grain from an early soil is, on the whole, characterised by a higher proportion of carbohydrate to albuminoid.

1952 A. M. Smith Manures & Fertilisers x. 262 The warranty declares the percentage of albuminoids, which is the old name for crude protein and is simply the percentage of nitrogen multiplied by 6.25.

1891 Athenæum 25 July 131 The restriction of the term albuminoids to ossein, gelatin, chondrin, and the like, not true proteids, will, we hope, be followed.

1913 J. W. Jenkinson Vertebr. Embryol. iii. 46 Chemically the vitelline membrane (of Birds) is an albuminoid allied to keratin.

1966 Investigative Ophthalmol. 5 298/1 Despite the recognized importance of albuminoid in the physiology of the normal and pathologic lens, the mechanism of origin of this water-insoluble protein fraction remains obscure.

1997 G. S. Helfman et al. Diversity of Fishes iii. 34/2 As with fish skin, the chemical composition of scales is poorly known. About 41% to 84% is organic protein, mostly albuminoids such as collagen (24%) and ichthylepidin (76%).