O QUE SIGNIFICA PECTIC ACID EM INGLÊS
Ácido pectico
O ácido pectico, também conhecido como ácido poligalacturônico, é um ácido gelatinoso transparente e insolúvel em água existente em frutas maduras e alguns vegetais. É um produto da degradação da pectina nas plantas e é produzido através da interação entre pectinase e pectina.
definição de pectic acid no dicionário inglês
A definição de ácido pectic no dicionário é um ácido complexo contendo arabinose e galactose que ocorre em frutos maduros, beterrabas e outros vegetais. Fórmula: C35H50O33.
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10 LIVROS EM INGLÊS RELACIONADOS COM «PECTIC ACID»
Descubra o uso de
pectic acid na seguinte seleção bibliográfica. Livros relacionados com
pectic acid e pequenos extratos deles para contextualizar o seu uso na literatura.
1
Essentials of Food Science
Pectic acid is a shorter-chain derivative of pectinic acid that is formed as fruit
overripens. Enzymes, such as polygalacturonase and pectinesterase, cause
depolymerization and demethylation of the pectinic acid, respectively. Complete
...
Vickie Vaclavik, Elizabeth W. Christian,
2007
Pectic acid is an unbranchcd molecule made up of about 100 units of D-
galacturonic acid residues. The monomers are linked through 1-4 linkages.
Pectin is an extensively esterified pectic acid. Several carboxyl groups exist as
methyl esters.
S Sadasivam, A. Manickam,
1996
ANALYSES OF PECTIC ACID. BY M. V. KEGNAULT. The properties of pectic
acid were carefully studied by M. Bra- connot, who first extracted it in a pure state
from the roots and barks of trees. But the composition of this acid, which acts so ...
Pectic acid, soluble in water, is probably the precursor of pectin and protopectin.
Pectin, an important component of primary walls, is sold commercially as a
gelling agent in fruit jellies. Protopectin, in association with calcium or
magnesium, ...
5
A Dictionary of Chemistry and the Allied Branches of Other ...
Fromberg prepared his pectic acid from turnips by comminution, washing with
cold water, and boiling with very dilute carbonate of sodium. According to D ivers
(Chem. Soc. J. xvii. 91) pectic acid is produced, together with parapectic acid, ...
6
A Dictionary of Chemistry
According to Fre1 my, pectic acid prepared in the ordinary way (probably
according to methods 2 and 3) contains albuminous substances which may be
more easily precipitated by small quantities of basic acetate of lead, after
prolonged ...
Moreover, pectic acid forms a product of high viscosity solution having a good
film-forming properties. Constitution : Pectin, as normally isolated from plant
material, is found to be a mixture of mainly three polysaccharides namely pectic
acid as ...
8
A Treatise on Food and Diet: With Observations on the ...
that pectine and pectic acid are identical in composition: the latter chemist gives
Cn H8 PECTINE AND PECTIC ACID. 69 6. THE PEOTINACEOUS ALIMENTARY
PRINCIPLE. (Vegetable .Telly.) Jelly is of two kinds—-animal and vegetable.
Jonathan Pereira, Charles Alfred Lee,
1851
9
CRC Handbook of Food Additives, Second Edition
Table 5 NOMENCLATURE OF PECTIC ENZYMES Acting on pectin Pectin
methylesterases (PME) Polymethylgalacturonases (PMG) Pectin lyases (PL)
Endo-PMG Endo-PL Exo-PMG Exo-PL Acting on pectic acid Polygalacturonases
(PG) ...
10
Quarterly Journal of Science, Literature, and the Arts
being pressed between filtering paper, was found to dry with great facility. This
was then decomposed by excess of sulphuric acid, and the mixed precipitate of
sulphate of baryta and pectic acid boiled with caustic soda by filtration, the
pectate ...
2 NOTÍCIAS NAS QUAIS SE INCLUI O TERMO «PECTIC ACID»
Conheça de que se fala nos meios de comunicação nacionais e internacionais e como se utiliza o termo
pectic acid no contexto das seguintes notícias.
Tim Carney: Heinz and Buffett: Big government for thick ketchup
He added vinegar and the right mixture of pectin and pectic acid. The result was the thicker ketchup we now know. To make the recipe work, ... «Washington Examiner, fev 13»
Cider production - An apple phenomenon
At low temperatures the pectin in the fruit converts to pectic acid forming a gel with the calcium. This rises to the surface forming a brown layer ... «Horticulture Week, mai 12»