H. Graham

Publications61
h-index14
Citations892
Highly Influential Citations30
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Stabilization of the Prussian blue color in the determination of polyphenols
A stabilized reagent for the determination of total polyphenols by the Prussian blue method was developed. H 3 PO 4 complexed with excess Fe 3+ in the mixture, stopping the reaction. Gum acacia, a…
Complex formation between hydrocolloids and tranquilizers and hypotensive agents.
TLDR
After intramuscular injection of the carrageenan-promazine hydrochloride complex into rabbits, free promazine was detected in the blood up to six days after administration as contrasted to the disappearance of the free form, similarly administered, after only 24 hours.
Seasonal Variations and Anatomical Distribution of Alginic Acid in Sargassum Spp. Found Along the Coasts of Puerto Rico
Four species of Sargassum were analyzed for their content of alginic acid at the different seasons of the year. S. polyceratlum and S. vulgare , two sessile species, had maximum amounts of alginic…
DETERMINATION OF CARBOXYMETHYLCELLULOSE IN FOOD PRODUCTS
SUMMARY –A method was developed to determine sodium carboxymethylcellulose (CMC) in food products containing three or more hydrocolloids after prior removal of interfering substances. Papain was used…
Reaction of Sugar Alcohols with the Anthrone Reagent
SUMMARY Under appropriate conditions of acid concentration, heating time and temperature of heating, the sugar alcohols react with the anthrone reagent in a quantitative manner. Suitable…
Quantitative Determination of Piperine. II. Direct Determination with Phosphoric Acid
SUMMARY Piperine in 85% phosphoric acid forms an unstable yellow color which, when heated for 8 min at l00°C, becomes a stable bluish-green with absorption maximum at 635 mμ. This reaction was…
Quantitative Determination of Piperine. I. The Komarowsky Reaction
SUMMARY A highly stable reagent consisting of para-dimethylaminobenzaldehyde (I) or para-hydroxybenzaldehyde (II) or other cylic aldehydes, plus thioureau in concentrated sulfuric acid, has been…
Isolation and characterization of starch from breadfruit [Artocarpus communis].
Leaf Protein Concentrates
TLDR
Reading leaf protein concentrates is also a way as one of the collective books that gives many advantages, not only for you, but for the other peoples with those meaningful benefits.
QUANTITATIVE ASPECTS OF THE INTERACTION OF CARRAGEENAN WITH CATIONIC SUBSTANCES. I. INTERACTION WITH METHYLENE BLUE
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