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44924

Millipore

L-α-Phosphatidylcholine

suitable for microbiology, Surfactant and constituent of the liposomal carrier system

Synonym(s):

1,2-Diacyl-sn-glycero-3-phosphocholine, L-α-Lecithin, Azolectin, PC, Lecithin from soybean, Soy lecithin, 1,2-Diacyl-sn-glycero-3-phosphocholine, 3-sn-Phosphatidylcholine, L-α-Lecithin, Azolectin, PC

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About This Item

CAS Number:
8002-43-5
Beilstein:
5209585
EC Number:
232-307-2
UNSPSC Code:
41106212
NACRES:
NA.85

biological source

soybean

Quality Level

200

Assay

≥95% (phosphatides (as acetone insolubles))

form

powder

mol wt

observed mol wt 790.15 g/mol

concentration

≥40% (phosphatidylcholine, TLC)

acid value

≤35 mg KOH/g

peroxide value

≤5 meq/kg

application(s)

microbiology

InChI

1S/C42H80NO8P/c1-6-8-10-12-14-16-18-20-21-23-25-27-29-31-33-35-42(45)51-40(39-50-52(46,47)49-37-36-43(3,4)5)38-48-41(44)34-32-30-28-26-24-22-19-17-15-13-11-9-7-2/h14,16,20-21,40H,6-13,15,17-19,22-39H2,1-5H3/b16-14-,21-20-/t40-/m1/s1

InChI key

JLPULHDHAOZNQI-ZTIMHPMXSA-N

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General description

This L-α-phosphatidylcholine is extracted and purified from soybeans. It serves as a substrate for specific phospholipase present in all Listeria monocytogenes and some strains of Listeria ivanovii. If L-α-phosphatidylcholine is used in a solid medium the presence of organisms possessing the specific phospholipase can be detected. The phosphatidylcholine is cleaved which results in a precipitate which can be seen as opaque halo around the colonies.

Application

L-α-Phosphatidylcholine is one of several phospholipids used in membrane research and is often used as a component in liposomal drug delivery systems.
In this case it is added to culture media to differentiate the specific phospholipase producing microorganisms from those that cannot.

Biochem/physiol Actions

A major structural phospholipid in brain, comprising approx. 15% of total lipid; primarily localized to gray matter.

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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L-α-Lecithin, Egg Yolk, Highly Purified Chromatographically purified.

Sigma-Aldrich

524617

L-α-Lecithin, Egg Yolk, Highly Purified

L-α-Phosphatidylcholine egg yolk, Type XI-E, 100 mg/mL in chloroform, ≥99%, solution

Sigma-Aldrich

P2772

L-α-Phosphatidylcholine

USP

USP

1535733

Phosphatidylcholine

L-α-Phosphatidylcholine, hydrogenated Type I-EH, ≥99%

Sigma-Aldrich

P4139

L-α-Phosphatidylcholine, hydrogenated

Soy PC (40%) Avanti Polar Lipids

Avanti

341602G

Soy PC (40%)

vibrant-m

Y0001905

Phosphatidylcholine from egg yolk

modified Tryptic Soy Agar- Dehydrated Culture Media NutriSelect® Plus, lecithin, polysorbate 80 (Tween® 80), powder, suitable for microbiology

Millipore

51414

modified Tryptic Soy Agar- Dehydrated Culture Media

Protocols

LC/MS Analysis of Phospholipids in Milk on Ascentis® Express HILIC after SPE using Supelclean™ Si, Shotgun HPLC Analysis

(soybean), ≥97%; L-α-Phosphatidylethanolamine from egg yolk, Type III, ≥97% (TLC), lyophilized powder; L-α-Phosphatidylcholine, from egg yolk, Type XVI-E, ≥99% (TLC), lyophilized powder; Sphingomyelin, from chicken egg yolk, ≥95%

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