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L9634

Sigma-Aldrich

Laminarin from Laminaria digitata

polysaccharide substrate for laminarinase

Synonym(s):

Laminaran

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About This Item

CAS Number:
9008-22-4
EC Number:
232-712-4
MDL number:
MFCD00466918
UNSPSC Code:
12352201
PubChem Substance ID:
329817672
NACRES:
NA.25

biological source

algae (Laminaria digitata)

Quality Level

200

form

powder

optical activity

[α]20/D -20 to -5 °, c = 4% (w/v) in water

color

beige

useful pH range

5

solubility

water: 10 mg/mL, clear to slightly hazy, colorless to light yellow

storage temp.

room temp

InChI

1S/C18H32O16/c19-1-4-7(22)10(25)11(26)17(31-4)34-15-9(24)6(3-21)32-18(13(15)28)33-14-8(23)5(2-20)30-16(29)12(14)27/h4-29H,1-3H2/t4-,5-,6-,7-,8-,9-,10+,11-,12-,13-,14+,15+,16?,17?,18?/m1/s1

InChI key

DBTMGCOVALSLOR-VPNXCSTESA-N

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General description

The fronds of Laminaria and Saccharina species contain laminarin, a low molecular weight storage glucan. It is localized to the vacuoles. Laminarin structure contains β-(1,6)-intrachain linked (1,3)-β-d-glucan.

Application

Laminarin from Laminaria digitata has been used:
  • as a stimulant to study its effect on the respiratory burst using haemocytes of P. vannamei
  • as a carbon source to study its effect on enzyme production using Pichia membranifaciens culture
  • as a carbon source for Polaribacter sp. culture

Biochem/physiol Actions

Laminarin is a biologically active compound effective against inflammation. It serves as an antioxidant and anticoagulant. Laminarin also inhibits apoptosis and tumor development. It acts as a predominant source of carbon among aquatic prokaryotes.
Laminarin is a polysaccharide of glucose found in brown algae and utilized as a food reserve.

Other Notes

Polysaccharide; primarily poly(β-Glc-[1→3]) with some β-(1→6) interstrand linkages and branch points.
To gain a comprehensive understanding of our extensive range of Polysaccharides for your research, we encourage you to visit our Carbohydrates Category page.

Substrates

Substrate for laminarinase.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Choa An et al.
Applied and environmental microbiology, 79(3), 860-866 (2012-11-28)
Edible brown algae are used as major food material in Far East Asian countries, particularly in South Korea and Japan. They contain fermentable dietary fibers, alginic acid (uronic acid polymer) and laminaran (β-1,3-glucan), that are fermented into organic acids by
Characterization of marine bacteria and the activity of their enzyme systems involved in degradation of the algal storage glucan laminarin
Alderkamp AC, et al.
FEMS Microbiology Ecology, 59(1), 108-117 (2006)
Ji Hyeon Ahn et al.
Marine drugs, 18(7) (2020-07-08)
A number of studies have demonstrated that marine carbohydrates display anti-oxidant, anti-melanogenic, and anti-aging activities in the skin. Laminarin (LA), a low-molecular-weight polysaccharide, is found in brown algae. The benefits of LA in ultraviolet B (UVB) induced photodamage of the
Measurement of reactive oxygen intermediate production in haemocytes of the penaeid shrimp, Penaeus vannamei
Munoz M, et al.
Aquaculture (Amsterdam, Netherlands), 191(1-3), 89-107 (2000)
Extraction, structure and biofunctional activities of laminarin from brown algae
Kadam SU, et al.
International Journal of Food Science and Technology, 50(1), 24-31 (2015)
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