egg yolk, Type XVI-E, ≥99% (TLC), lyophilized powder

L-α-Lecithin, Azolectin, 3-sn-Phosphatidylcholine, PC, 1,2-Diacyl-sn-glycero-3-phosphocholine
CAS Number:
Beilstein/REAXYS Number:
EC Number:

biological source

egg yolk

Quality Level


Type XVI-E


≥99% (TLC)


lyophilized powder

functional group


shipped in


storage temp.




InChI key


Looking for similar products? Visit Product Comparison Guide

Related Categories

General description

Phosphatidylcholine belongs to the class of glycerophoshpolipids and contains choline as the head-group. Choline is attached to the glycerol of fatty acids ester-bound to backbone. It is the major phospholipid found in eukaryotic organism.


L-α-Phosphatidylcholine has been used:
  • to form a thin lipid film used in Kupffer cell depletion by liposome-encapsulated clodronate
  • as a component of assay buffer used in γ-secretase in vitro assay
  • in the preparation of substrate mix for its use in HPLC (high performance liquid chromatography) assay of 5-lipoxygenase enzyme activity


25, 100, 500 mg in glass bottle
1 g in glass bottle
Packaged under Argon

Biochem/physiol Actions

It also acts as a source of lipid messengers/ bioactive lipids including: lysophosphatidylcholine, diacylglycerol, phosphatidic acid, lysophosphatidylcholine, arachidonic acid and platelet activating factor. Phosphatidylcholine is produced in the liver by the CDP-choline (cytidine diphosphocholine) pathway.
A major structural phospholipid in brain, comprising approx. 15% of total lipid; primarily localized to gray matter.

Preparation Note

Prepared by a modification of the procedure of Singleton, W.S., et al., J. Am. Oil Chem. Soc., 42, 53 (1965).

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves


NONH for all modes of transport

WGK Germany


Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Coactosin-like protein supports 5-lipoxygenase enzyme activity and up-regulates leukotriene A4 production
Rakonjac M, et al.
Proceedings of the National Academy of Sciences of the USA, 103(35), 13150-13155 (2006)
Molecular distinction of phosphatidylcholine synthesis between the CDP-choline pathway and phosphatidylethanolamine methylation pathway
DeLong CJ, et al.
The Journal of Biological Chemistry, 274(42), 29683-29688 (1999)
FTIR-spectroscopic characterization of phosphocholine-headgroup model compounds
Pohle W, et al.
Journal of Molecular Structure, 563, 463-467 (2001)
Lea M Hürlimann et al.
Antimicrobial agents and chemotherapy, 60(9), 5400-5411 (2016-07-07)
Nosocomial infections with Enterococcus faecalis are an emerging health problem. However, drug efflux pumps contributing to intrinsic drug resistance are poorly studied in this Gram-positive pathogen. In this study, we functionally investigated seven heterodimeric ABC transporters of E. faecalis that...
Li Zhou et al.
Journal of agricultural and food chemistry, 65(6), 1229-1238 (2017-01-24)
Purification, characterization, and antioxidative activity in vitro of shrimp phosphatidylcholines (PCs) were investigated. The molecular structures of shrimp PCs were determined by MALDI-TOF/TOF MS. The MS
(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%
Read More

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service

Social Media

LinkedIn icon
Twitter icon
Facebook Icon
Instagram Icon


Research. Development. Production.

We are a leading supplier to the global Life Science industry with solutions and services for research, biotechnology development and production, and pharmaceutical drug therapy development and production.

© 2021 Merck KGaA, Darmstadt, Germany and/or its affiliates. All Rights Reserved.

Reproduction of any materials from the site is strictly forbidden without permission.