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G9752

Sigma-Aldrich

Gum arabic from acacia tree

branched polysaccharide

Sinónimos:

Acacia gum

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About This Item

Número de CAS:
9000-01-5
Número CE:
232-519-5
Número MDL:
MFCD00081264
Código UNSPSC:
12352201
NACRES:
NA.25
En este momento no podemos mostrarle ni los precios ni la disponibilidad

origen biológico

plant (Acacia)

Nivel de calidad

200

Formulario

powder

color

white to faint beige

temp. de almacenamiento

room temp

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Descripción general

Gum arabic from acacia tree is extracted from the branches of Acacia senegal and Acacia seyal trees. It is an edible dried gummy exudate. Gum Arabic has high solubility and is used in food industry as a stabilizer, emulsifier, flavouring agent, thickener and surface-finishing agent. It initiates turbidity or hinders sugar crystallization. Gum arabic inhibits color pigmentation and protein precipitation in wine production.[1]

Aplicación

Gum arabic from acacia tree has been used:
  • as an emulsifying agent to determine lipase activity in shrimps[2]
  • for the visualization of mossy fiber sprouting[3]
  • as an immunogen and for coating microtitre wells in plate-trapped antigen ELISAs (PTA-ELISAs)[4]
  • for silver enhancement for immunohistochemistry[5]
  • as a component for Timm′s staining solution[6]
  • in nitrocellulose-based soil adhesion assay[7]
  • to separate few-layer graphene (FLG) from bulk graphite layers[8]

Otras notas

Believed to be a branched polymer of galactose, rhamnose, arabinose, and glucuronic acid as the calcium, magnesium, and potassium salts with a mol. wt. of approx. 250,000.
To gain a comprehensive understanding of our extensive range of Polysaccharides for your research, we encourage you to visit our Carbohydrates Category page.

Código de clase de almacenamiento

11 - Combustible Solids

Clase de riesgo para el agua (WGK)

WGK 3

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable

Equipo de protección personal

dust mask type N95 (US), Eyeshields, Gloves

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Certificados de análisis (COA)

Lot/Batch Number
BCCM4902
BCCL3181
BCCJ4975
BCCH9763
BCCG6038

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Intra-amygdaloid injection of kainic acid in rats with genetic absence epilepsy: the relationship of typical absence epilepsy and temporal lobe epilepsy
Gurbanova AA, et al.
The Journal of Neuroscience, 28(31), 7828-7836 (2008)
Dimensionality effects of carbon-based thermal additives for microporous adsorbents
Yang S, et al.
Materials & Design, 85, 520-526 (2015)
Acacia gum: History of the future
Sanchez C, et al.
Food Hydrocolloids, 78, 140-160 (2018)
Xenograft of human umbilical mesenchymal stem cells from Wharton?s jelly as a potential therapy for rat pilocarpine-induced epilepsy
Huang P, et al.
Brain, behavior, and immunity, 54(3), 45-58 (2016)
A quantitative method for the high throughput screening for the soil adhesion properties of plant and microbial polysaccharides and exudates
Akhtar J, et al.
Plant and Soil, 1-9 (2018)
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Questions

1–6 of 6 Questions  

  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

      Helpful?

  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

      Helpful?

  3. Can you provide a description of the polysaccharide in Gum arabic from acacia tree, Product G9752?

    1 answer

    1. The polysaccharide in gum arabic is branched with a main chain of (1->3) linked β-D-galactopyranosyl units, with side chains of (1->3) β-D-galactopyranosyl units joined to it by (1->6) links. The side chains are two to five units in length. Both main chains and side chains have attached units of α-L-arabinofuranosyl, α-L-rhamnopyranosyl, β-D-glucuronopyranosyl and 4-O-methyl-β-D-glucuronopyranosyl units.

      Helpful?

  4. What is the solubility of Product G9752, Gum arabic from acacia tree?

    1 answer

    1. According to the chemicals encyclopedia published by the Royal Society of Chemistry, 12th ed., Entry# 11, gum arabic is insoluble in alcohols. It is almost completely soluble in twice its weight of water. It is soluble in glycerol and in propylene glycol, but prolonged heating may be necessary for complete solution.

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  5. What is the Department of Transportation shipping information for this product?

    1 answer

    1. Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.

      Helpful?

  6. Can Product G9752, Gum arabic from acacia tree, be used to extract nuclei from ciliate cells?

    1 answer

    1. This product has been cited for use in a lysis buffer to extract nuclei from ciliate cells.  The reference is J. Eukaryotic Microbiology, 43(3), 198-202 (1996).

      Helpful?

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