L-Serine

L-Serin ist eine neutrale Aminosäure mit einem isoelektrischen Punkt von 5.68. L-Serin ist ein sechseckiger oder prismatischer Kristall, geruchlos und hat einen süßen Geschmack. L-Serin hat eine chemische Löslichkeit von 50g/L und ist leicht löslich im Wasser und Ameisensäure. Bei 20 ℃, ist seine Löslichkeit im Wasser 250g/L und es ist fast unlöslich im Ethanol, Äther und Aceton.

CAS No.:
56-45-1
Molecular Formula:
C3H7NO3
Molecular Weight:
105.09
EINECS:
200-274-3

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DESCRIPTION

DESCRIPTION

L-Serine

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SPECIFICATIONS

Item	AJI92	USP28
Assay	98.5～101.0%	98.5～101.0%
pH (Acid content)	5.2～6.2	5.2～6.2
Specific rotation [a]D020	+14.4°～+15.5°	+14.0°～+15.6°
Transmittance(T430)	clear & colorless	≥98.0%
Chloride(Cl)	≤0.02%	≤0.02%
Ammonium(NH4)	≤0.02%
Sulfate(SO4)	≤0.02%	≤0.02%
Iron(Fe)	≤10ppm	≤20ppm
Heavy metals(Pb)	≤10ppm	≤10ppm
Lead	≤10ppm
Arsenic(As)	≤1ppm
Other amino acids	conforms	conforms
Loss on drying	≤0.20%	≤0.20%
Residue on ignition	≤0.10%	≤0.10%

APPLICATION

screenshot-1710377752065 Food industry: The 2-hydroxyacetaldehyde produced by heating L-serine with glucose has the aroma of maple syrup, so it can be used as a food additive. It can also be added as a nutrient to animal feed, improves the absorption and utilization rate of plant protein, and promotes the growth and development of animals.

screenshot-1716945839358 Cosmetics industry: L-serine can be added as a skin nutrient to high-quality cosmetics. As a key component of natural moisturizing factors, it has the function of moisturizing and delaying aging.

76a307224ae54a34b8d7f2989931dce1 Neuroprotective effects: Studies have shown that L-serine has neuroprotective effects that can improve neurological function, relieve learning and memory disorders, increase the number of regenerated neural stem cells, microvessels and astrocytes in brain tissue, as well as the content of nerve regeneration factors.