Pektin

Pectin Struktur
9000-69-5
CAS-Nr.
9000-69-5
Bezeichnung:
Pektin
Englisch Name:
Pectin
Synonyma:
APPLE PECTIN;Pectin from Citrus;2,3,4,5-tetrahydroxypentanal;Edible;pectins;PECTINE;HM Pectin;LM Pectin;PECTIN, FROM LEMON;POLYGALACTURONIC ACID METHYL ESTER
CBNumber:
CB3219863
Summenformel:
C6H12O6
Molgewicht:
0
MOL-Datei:
Mol file

Pektin Eigenschaften

Schmelzpunkt:
174-180 °C (decomp)
storage temp. 
room temp
Löslichkeit
H2O: soluble0.02g/10 mL, clear to hazy, colorless to very faintly yellow
Aggregatzustand
Powder
Farbe
Yellow to Pale Brown
Geruch (Odor)
wh. to yel. powd. or syrupy conc., pract. odorless
Wasserlöslichkeit
It is soluble in water.
Merck 
14,7063
EPA chemische Informationen
Pectin (9000-69-5)
Sicherheit
  • Risiko- und Sicherheitserklärung
  • Gefahreninformationscode (GHS)
S-Sätze: 24/25
WGK Germany  3
RTECS-Nr. RX4280000
TSCA  Yes
HS Code  13022000
Giftige Stoffe Daten 9000-69-5(Hazardous Substances Data)
Toxizität LD50 scu-mus: 6400 mg/kg NYKZAU 56(1),58S,60
Bildanzeige (GHS) GHS hazard pictograms
Alarmwort Warnung
Gefahrenhinweise
Code Gefahrenhinweise Gefahrenklasse Abteilung Alarmwort Symbol P-Code
H315 Verursacht Hautreizungen. Hautreizung Kategorie 2 Warnung P264, P280, P302+P352, P321,P332+P313, P362
H319 Verursacht schwere Augenreizung. Schwere Augenreizung Kategorie 2 Warnung P264, P280, P305+P351+P338,P337+P313P
Sicherheit
P264 Nach Gebrauch gründlich waschen.
P264 Nach Gebrauch gründlich waschen.
P280 Schutzhandschuhe/Schutzkleidung/Augenschutz tragen.
P302+P352 BEI BERÜHRUNG MIT DER HAUT: Mit viel Wasser/... (Hersteller kann, falls zweckmäßig, ein Reinigungsmittel angeben oder, wenn Wasser eindeutig ungeeignet ist, ein alternatives Mittel empfehlen) waschen.
P305+P351+P338 BEI KONTAKT MIT DEN AUGEN: Einige Minuten lang behutsam mit Wasser spülen. Eventuell vorhandene Kontaktlinsen nach Möglichkeit entfernen. Weiter spülen.
P321 Besondere Behandlung
P332+P313 Bei Hautreizung: Ärztlichen Rat einholen/ärztliche Hilfe hinzuziehen.
P362 Kontaminierte Kleidung ausziehen und vor erneutem Tragen waschen.

Pektin Chemische Eigenschaften,Einsatz,Produktion Methoden

S-Sätze Betriebsanweisung:

S24/25:Berührung mit den Augen und der Haut vermeiden.

Chemische Eigenschaften

Pectin occurs as a coarse or fine, yellowish-white, odorless powder that has a mucilaginous taste.

Occurrence

Pectin is found in the cell walls of all plants.

Verwenden

In the preparation of jellies and similar food products: Owens et al., "Factors Influencing Gelation with Pectin" in Natural Plant Hydrocolloids, Advances in Chemistry Series (ACS, Washington, 1954) pp 10-15.

Vorbereitung Methode

Pectin is obtained from the diluted acid extract from the inner portion of the rind of citrus fruits or from apple pomace.

Weltgesundheitsorganisation (WHO)

Pectin is a purified carbohydrate product isolated from the rinds of citrus fruits or green apples. Its major constituent is polygalacteronic acid, and it is almost completely digested and absorbed in the intestine. Pectin became popular as a simple remedy for diarrhoea in the early 1900s. It does not affect the frequency of stool or stool weight. Use of such products diverts attention away from more important aspects of treatment, such as rehydration, proper nutrition and in the case of cholera and dysentery, appropriate antibiotics.

Allgemeine Beschreibung

Pectin is a polysaccharide is rich in galacturonic acid and possesses a complex structure and function.

Pharmazeutische Anwendungen

present in multi-ingredient preparations for the management of diarrhea, constipation, and obesity;it has also been used as an emulsion stabilizer.
Experimentally, pectin has been used in gel formulations for the oral sustained delivery of ambroxol.Pectin gel beads have been shown to be an effective medium for controlling the release of a drug within the gastrointestinal (GI) tract.It has also been used in a colon-biodegradable pectin matrix with a pH-sensitive polymeric coating, which retards the onset of drug release, overcoming the problems of pectin solubility in the upper GI tract.Amidated pectin matrix patches have been investigated for the transdermal delivery of chloroquine,and gelling pectin formulations for the oral sustained delivery of paracetamol have been investigated in situ.Pectin-based matrices with varying degrees of esterification have been evaluated as oral controlled-release tablets. Lowmethoxy pectins were shown to have a release rate more sensitive to the calcium content of the formulation.Pectins have been used as a component in the preparation of mixed polymer microsphere systems with the intention of producing controlled drug release.

Landwirtschaftliche Anwendung

Pectin is a high molecular weight polyuronide. It is related to the carbohydrate family and is present in fruits and berries.
Pectin occurs in varying amounts in fruits and plants. It contains carbon, hydrogen and oxygen, and on hydrolysis, yields glycosides and galachronic acid. It can form a gel when it absorbs water.
Commercially, the primary source of the commonly used pectin is lemon and lime peel; other citrus fruits l i e orange and grapefruit may also be used. Pectin is widely used in the food industry, principally in gel preparation.
Pectin is also used in making drugs, protective colloids, emulsifying agents, etc.

Sicherheitsprofil

Low toxicity by subcutaneous route. When heated to decomposition it emits acrid smoke and irritating fumes.

Sicherheit(Safety)

Pectin is used in oral pharmaceutical formulations and food products, and is generally regarded as an essentially nontoxic and nonirritant material.
Low toxicity by the subcutaneous route has been reported.
LD50 (mouse, SC): 6.4 g/kg

Lager

Pectin is a nonreactive and stable material; it should be stored in a cool, dry place.

läuterung methode

Dissolve the pectin in hot water to give a 1% solution, then cool, and make it to about 0.05M in HCl by addition of conc HCl, and precipitate it by pouring it slowly, with vigorous stirring into two volumes of 95% EtOH. After standing for several hours, the pectin is filtered through a nylon cloth, then redispersed in 95% EtOH and stood overnight. The precipitate is filtered off, washed with EtOH/Et2O, then Et2O and dried in air. [Rees & Walsh Angew Chem, Int Edn 16 214 1977, Rees Adv Carbohydr Chem 24 267 1969.]

Regulatory Status

GRAS listed. Accepted for use as a food additive in Europe. Included in the FDA Inactive Ingredients Database (dental paste; oral powders; topical pastes). Included in the Canadian List of Acceptable Non-medicinal Ingredients. Included in nonparenteral medicines licensed in the UK.

Pektin Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte


Pektin Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

Global( 401)Lieferanten
Firmenname Telefon E-Mail Land Produktkatalog Edge Rate
Shanghai Chinqesen Biotechnology Co., Ltd.
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9000-69-5(Pektin)Verwandte Suche:


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