Phospholipidylserine Raw Material Test Report

Oct. 21, 2020

Solubility test

Take 2 grams of phospholipidyl serine raw materials and dissolve them in 50ml and 100ml of 45℃ warm water respectively, and observe their solubility.

SolubilityItemResult
2g/50mlSolubilityPour 2 grams of raw materials into 50ml of 45℃ warm water, the powder will not sink easily when floating on the water(picture in left);After stirring, a clear suspension of particles is formed, and it sinks to the bottom of the cup quickly after stopping.(picture in middle);After standing for 20 minutes, the solid particles completely sink to the bottom of the cup and the liquid is clear.(picture in right).
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2g/100mlSolubilityPour 2 grams of raw materials into 50ml of 45℃ warm water, the powder will not sink easily when floating on the water(picture in left);After stirring, a clear suspension of particles is formed, and it sinks to the bottom of the cup quickly after stopping(picture in middle);After standing for 20 minutes, the solid particles completely sink to the bottom of the cup and the liquid is clear(picture in right).
Image shows 图片4.png2.png3.png

Mixed powder test

The raw material of phosphatidylserine and milk powder were fully mixed into a small sample with an additive amount of 0.3%, and the sensory indicators and solubility of the mixed sample were observed.

1、Appearance

ItemMixed sample(0.3%)
AppearanceAfter mixing well, the powder is uniform, without light yellow particles visible to the naked eye; no bad smell.
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2、Solubility test

Take 30 grams of sample into 200ml of warm water at 48℃ and observe its dissolution.

ItemMixed powder(0.3%)
SolubilitySinking timeHanging StateAgglomeratestanding for 30min
9.85sFine particlesNo AgglomerateThe liquid has no layering, and there is a gray precipitate at the bottom of the bottle
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Prepare milk powder with 0.3% ps, there are fine particles on the bottle wall. As picture

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The same preparation conditions, compared with products without phosphatidylserine (Right picture without PS)

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standing for 30min