Biochemistry of the Fats.

Bloor, W. R.

doi:10.1021/cr60006a003

Cited by 59 publications

(11 citation statements)

References 67 publications

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“…Extensive studies have been made by Bloor, Leathes, Czonka and others (3,4,5) upon the fatty acids of normal blood plasma. The methods which we have employed in the studies here reported are as follows:…”

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confidence: 99%

The Plasma Fats and the Iodine Absorption Capacity of the Fatty Acids in Hyperthyroidism

Nicholls¹,

Perlzweig²

1928

J. Clin. Invest.

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A diminution in the surface tension of the blood serum has been found in many cases of hyperthyroidism as reported in a previous paper (1). Since it is well known that the unsaturated fatty acids are highly surface active, we have investigated the amount of these substances in relation to the plasma fats as a possible cause of the above observed phenomenon in patients with this disease. The blood fats in a short series of normal persons studied at the same time as a basis for comparison.Sixteen cases of hyperthyroidism and exophthalmic goitre have been studied. The blood was collected shortly after the patient was admitted to the ward and before the administration of iodine was commenced. Determinations were again made when the therapeutic effect of the iodine administered was considered to be at its maximum, and still later after surgical operation.Iodine was administered in the form of Lugol's solution, the usual dosage being 30 minims daily. In many cases the administration of Lugol's solution was continued for a short period after operation in dosage of 5 to 10 minims daily. The patients were given no food for at least sixteen hours before collection of the blood for study. The basal metabolic rate was determined when possible the same day that the blood was taken, and also at frequent intervals thereafter.Extensive studies have been made by Bloor, Leathes, Czonka and others (3, 4, 5) upon the fatty acids of normal blood plasma. The methods which we have employed in the studies here reported are as follows:195

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The Plasma Fats and the Iodine Absorption Capacity of the Fatty Acids in Hyperthyroidism

Nicholls¹,

Perlzweig²

1928

J. Clin. Invest.

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“…for 24 hours and then washed the cotton with distilled water at room temperature for several hours [25,26]. In both cases, the product was called &dquo;dewaxed cotton.&dquo; Bloor [3] and Maclean and Maclean [21] have recognized that hot ethyl alcohol is probably the best solvent for extraction of fatty material from biological tissues. Bloor [3] is emphatic about the superiority of boiling alcohol to all other solvents for the purpose.…”

Section: Literature Reviewmentioning

confidence: 99%

Solvent Extraction of Cotton Wax

Kettering

Goldthwait

Kraemer

1946

Textile Research Journal

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Solvent extractions of many samples of cotton showed that the usual methods of wax extraction are not always adequate for general use, particularly on cottons whose extractable matter has been changed by manufacturing operations such as the addition of spinning oil or warp size, or the removal of part of the wax by bleaching processes. The usual simple extractions may be satisfactory for routiue work on raw or processed cottons if the solvent is selected according to the type of cotton and to the purpose of the extraction. If, however, an accurate estimation of amount of wax is needed, a more inclusive method is desirable. The alcoholchloroform extraction procedure developed by Conrad is shown to be such a method. Several of the various other methods of extraction discussed are more suitable for dewaxing cotton for special uses than for analysis for wax content.

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“…The free fatty acids and sterols represent the derived lipides, which are defined as substances obtained from the other groups by hydrolysis. For a thorough discussion of the various types of fatty compounds which are included in the foregoing classification and for their physical and chemical properties, one may refer to BLOOR'S original paper (6).…”

Section: Various Classifications Of Fats and "Fat-like" Compoundsmentioning

confidence: 99%

“…After removal of the sample and glass tube, the boiling is continued until most of the solvent is distilled into the extractor. If necessary the solvent is siphoned off into a second container and the process continued 6 Directions indicated apply to the Soxhlet apparatus.…”

Section: Various Classifications Of Fats and "Fat-like" Compoundsmentioning

confidence: 99%

“…It (6) in a modified classification in preference to "lipoids" as a group-heading for ether or alcohol soluble compounds yielding fatty acids on hydrolysis and certain derived substances such as fatty acids and sterols. Since this term has been used only in the broad significance to include both the fats (including oils and waxes) and the lipoids, as used in the restricted sense to denote the "fat-like" substances, it appears to be the best one suggested so far.…”

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