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G1253

Sigma-Aldrich

Xanthan gum from Xanthomonas campestris

Synonym(s):

Gum xanthan

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100 G
PLN 573.00
500 G
PLN 1,820.00

PLN 573.00

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100 G
PLN 573.00
500 G
PLN 1,820.00

About This Item

CAS Number:
11138-66-2
EC Number:
234-394-2
MDL number:
MFCD00131256
UNSPSC Code:
12352201
NACRES:
NA.25

PLN 573.00

Please contact Customer Service for Availability
Request a Bulk Order

biological source

Xanthomonas campestris

Quality Level

200

form

powder

color

faint yellow to beige

storage temp.

room temp

InChI

1S/C13H10O/c1-3-7-12-10(5-1)9-11-6-2-4-8-13(11)14-12/h1-8H,9H2

InChI key

GJCOSYZMQJWQCA-UHFFFAOYSA-N

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Application

Xanthan gum is an anionic polysaccharide composed of a β-(1→4)-D-glucopyranose glucan backbone with side chains of (1→3)-α-D-mannopyranose-(2→1)-β-D-glucuronic acid-(4→1)-β-D-mannopyranose on alternating residues. Approximately half of the terminal mannose residues are 4,6-pyruvated while most of the inner mannose residues are 6-acetylated. Its properties make it a useful matrix component for drug delivery systems. It forms stable drug suspensions in aqueous media and soft gels with locust bean gum or guar gum. Xanthan gum mimics the texture of lipids and is used as a control in experiments where signaling pathways initiated by consumption of lipid-containing reagents are investigated in mice.

Other Notes

A polysaccharide containing glucose, mannose, potassium glucuronate, acetate and pyruvate. Forms a hydrophilic colloid.
To gain a comprehensive understanding of our extensive range of Polysaccharides for your research, we encourage you to visit our Carbohydrates Category page.

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
0000408909
0000408909
0000395408
0000378768
0000378769

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M Jain et al.
Phytopathology, 109(10), 1811-1819 (2019-05-16)
'Candidatus Liberibacter' spp. are uncultured insect endosymbionts and phloem-limited bacterial plant pathogens associated with diseases ranging from severe to nearly asymptomatic. 'Ca. L. asiaticus', causal agent of Huanglongbing or citrus "greening," and 'Ca. L. solanacearum', causal agent of potato zebra
Anuj Kumar et al.
Materials science & engineering. C, Materials for biological applications, 104, 109983-109983 (2019-09-11)
We report the development of halloysite nanotubes (HNTs)/carboxylated-cellulose nanocrystals (cCNCs) - reinforced and ionically-crosslinked k-carrageenan (k-CG)/xanthan gum (XG) hydrogels. In this study, cCNCs were extracted from microcrystalline cellulose using ammonium persulfate and exhibit 'spindle-like' nanocrystals with approximate diameter of 15-30 nm
An Thi-Binh Nguyen et al.
Food chemistry, 239, 742-750 (2017-09-07)
Dextran or xanthan were used as model exocellular polysaccharides (EPS) to compare the extraction efficiency of EPS from skim milk acid gels using three different protocols. Extraction yields, residual protein concentrations and the macromolecular properties of extracted EPS were determined.
Marijn M Kool et al.
Carbohydrate polymers, 97(2), 368-375 (2013-08-06)
Differently modified xanthans, varying in degree of acetylation and/or pyruvylation were incubated with the experimental cellulase mixture C1-G1 from Myceliophthora thermophila C1. The ionic strength and/or temperature of the xanthan solutions were varied, to obtain different xanthan conformations. The exact
Manuel Viuda-Martos et al.
Food & function, 9(1), 573-584 (2017-12-22)
The aim of this work was to determine the protective effect of different dietary fibers on (i) the recovery and bioaccessibility indexes, and (ii) the stability of polyphenolic compounds (phenolic acids, flavonoids and anthocyanins) of maqui berry powder subjected to
View All Related Papers

Questions

1–7 of 7 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. Is xanthan gum suitable for food applications, is food grade?

    1 answer

    1. This product is not suitable for food applications and is intended for research use only. Currently, a food grade product option is not available.

      Helpful?

  4. Bonjour, Serait-il possible de connaître la masse molaire estimée de Xanthan gum from Xanthomonas campestris s'il vous plaît? Merci, Cordialement.

    1 answer

    1. Molecular weight has not been determined. However, reported values in the literature suggest a molecular weight greater than 1 million (The Merck Index, 12th Ed., Entry #10191). Other publications may range from 2 million to as high as 50 million.

      Helpful?

  5. What is the number of repeating units for product G1253?

    1 answer

    1. There is no information available for the number of repeating units.

      Helpful?

  6. Is xanthan gum sterile and suitable for use in cell culture?

    1 answer

    1. This item is not sterile and has not been tested for use cell culture. At this time, a cell culture tested version of this material is not available.

      Helpful?

  7. What is the molecular weight of the Xanthan gum?

    1 answer

    1. Molecular weight has not been determined. However, reported values in the literature suggest a molecular weight greater than 1 million (The Merck Index, 12th Ed., Entry# 10191). Other publications may range from 2 million to as high as 50 million.

      Helpful?

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