Journal of the Chemical Society, Part 1The Society., 1962 "Titles of chemical papers in British and foreign journals" included in Quarterly journal, v. 1-12. |
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Page 223
... amylopectin . The samples of pea and amylomaize amylopectin obtained from dispersions were subjected to differential ultracentrifugation ; 0.2 % aqueous solutions were centrifuged for two periods of 2 hr . each at 40,000 r.p.m. in the ...
... amylopectin . The samples of pea and amylomaize amylopectin obtained from dispersions were subjected to differential ultracentrifugation ; 0.2 % aqueous solutions were centrifuged for two periods of 2 hr . each at 40,000 r.p.m. in the ...
Page 228
... amylopectin components isolated from a dispersion . All the samples were obtained reasonably free from contaminating amylose except those from the amylomaize and wrinkled - seeded pea . The percentage of phosphorus in the amylopectins ...
... amylopectin components isolated from a dispersion . All the samples were obtained reasonably free from contaminating amylose except those from the amylomaize and wrinkled - seeded pea . The percentage of phosphorus in the amylopectins ...
Page 229
... amylopectin , 4.5 × 108 ; iris - rhizome amylopectin , 9 × 107 ; and banana amylopectin , 2.2 × 108. These values suggest that the amylopectin molecule must be one of the largest in Nature . ( A detailed discussion of these results will ...
... amylopectin , 4.5 × 108 ; iris - rhizome amylopectin , 9 × 107 ; and banana amylopectin , 2.2 × 108. These values suggest that the amylopectin molecule must be one of the largest in Nature . ( A detailed discussion of these results will ...
Contents
NO PAGE | 1 |
NOTES | 62 |
The use of triethylamine in the preparation of NcarboxyLproline anhydride | 68 |
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absorption acetic acid acetone added afforded alcohol alkali Amax Amer amylose anhydride aqueous solution atom benzene bromide buffer Calc carbon carbonyl CH₂ Chem chloride chloroform chromatography coefficients colourless complexes compound concentration constant containing crystallisation crystals decomposition derivative dilute distilled double bond dried eluted ester ethanol ethyl acetate evaporated experimental filtrate formation formed Found fraction gave give H₂O heated hydrazine hydrochloric acid hydrogen hydrolysis hydroxyl infrared infrared spectrum intermediate isolated isomerisation k₁ ketal ketone light petroleum b. p. m. p. and mixed malononitrile methyl mixed m. p. mixture mole molecule needles nitrogen nucleophilic obtained oxidation phenyl polymer potassium potassium hydroxide precipitate prepared present ratio reaction reagent reduction reflux requires residue room temperature sample sodium ethoxide sodium hydroxide solid solvent spectra structure Table terpyridine triethylamine ultraviolet values washed yellow yield