C1013
Carrageenan
suitable for gel preparation
Synonym(e):
Gelatine, pflanzlich, Irisches Moos
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About This Item
Empfohlene Produkte
Biologische Quelle
algae (red)
Beschreibung
Predominantly κ and lesser amounts of λ carrageenan
Form
powder
Farbe
white to light brown
Nützlicher pH-Bereich
7.5-10.5 (1.5% in water)
Kationenspuren
Ca: <3.5%
K: <11%
Na: <2.0%
Eignung
suitable for gel preparation
Lagertemp.
room temp
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Allgemeine Beschreibung
Carrageenans are mucopolysaccharides from the cell walls of the red algae. They are anionic linear polymers composed of 1,3α-1,4β-galactans having one (κ-), two (ι-) or three (λ-) sulfates per disaccharide unit. In ionic solutions, κ- and ι-carrageenans self-associate into helical structures that form rigid or flexible gels, respectively. λ-carrageenans do not form helices and are non-gelling. Carrageenans are used commercially as thickeners and stabilizing agents.
Anwendung
Carrageenans are used to suppress immune response in vivo and in vitro via mechanisms believed to involve selective cytopathic effect on macrophages. As ι-, κ-, and λ-carrageenans have varying degress of sulfation, they may be studied comparatively for differences in protective, antiviral, and immunosuppression activities.
Carrageenans are used to suppress immune response in vivo and in vitro via mechanisms believed to involve selective cytopathic effect on macrophages. As ι-, κ-, and λ- carrageenans have varying degrees of sulfation, they may be studied comparatively for differences in protective, antiviral, and immunosuppression activities. Carrageenan may be used in the development of biomaterials such as bone graft substitutes; entrapping vessels such as biobeads and encapsulation vehicles for drug delivery. Carrageenan be used to develop hydrogels.
Angaben zur Herstellung
Blended from various seaweeds to produce rigid gels.
Sonstige Hinweise
To gain a comprehensive understanding of our extensive range of Polysaccharides for your research, we encourage you to visit our Carbohydrates Category page.
Lagerklassenschlüssel
11 - Combustible Solids
WGK
WGK 3
Flammpunkt (°F)
Not applicable
Flammpunkt (°C)
Not applicable
Persönliche Schutzausrüstung
Eyeshields, Gloves, type N95 (US)
Analysenzertifikate (COA)
Suchen Sie nach Analysenzertifikate (COA), indem Sie die Lot-/Chargennummer des Produkts eingeben. Lot- und Chargennummern sind auf dem Produktetikett hinter den Wörtern ‘Lot’ oder ‘Batch’ (Lot oder Charge) zu finden.
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José A Fernández-Romero et al.
Antimicrobial agents and chemotherapy, 56(1), 358-368 (2011-11-09)
Topical microbicides that block the sexual transmission of HIV and herpes simplex virus 2 (HSV-2) are desperately needed to reduce the incidence of HIV infections worldwide. Previously we completed phase 3 testing of the carrageenan-based gel Carraguard. Although the trial
A W Thomson et al.
Agents and actions, 11(3), 265-273 (1981-05-01)
Carrageenans (kappa, lambda and iota) are sulphated polysaccharides isolated from marine algae that can markedly suppress immune responses both in vivo and in vitro. Impairment of complement activity and humoral responses to T-dependent antigens, depression of cell-mediated immunity, prolongation of
M L Weiner
Agents and actions, 32(1-2), 46-51 (1991-01-01)
Food-grade carrageenan is a safe natural product prepared from seaweed. Its addition to food imparts many desirable characteristics which have allowed it to be used continuously for centuries. The long safe history of this natural food additive is confirmed by
Ahu Uraz et al.
Journal of clinical and experimental dentistry, 5(1), e23-e29 (2014-01-24)
The objective of this study was to histologically and histomorphometrically evaluate the efficacy of the new formulations of eggshell-derived calcium carbonate in rats. The study was conducted on 30 adult male rats. Four standardized and circular intrabony defects were created
A W Thomson
Biomedicine / [publiee pour l'A.A.I.C.I.G.], 28(3), 148-152 (1978-05-01)
Since the biological effects of carrageenan were reviewed in 1972 by Di Rosa it has become clear from a large number of reports that this algal polysaccharide markedly influences immune responses. Profound suppression of immunity evidenced by impaired antibody production
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