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Gallic Acid

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INCI Name: GALLIC ACID
Molecular Formula: C7H6O5
Molecular Weight: 170.12
Appearance: Off-white powder
Purity: 90%; 95%; 98%
CAS NO.: 149-91-7
EINECS No.: 205-749-9
Availability:

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Gallic acid powder is a phytochemical derived from various herbs and has anti-fungal,anti-viral and anti-oxidant properties. Gallic acid is tannin,a kind of astringent ingredient.It makes the skin look firmer,tighter and less porous.Uses: It has powerful antioxidant,anti-inflammatory,anti-microbial and anti-cancer activities.According to reports,the most fascinating benefit is used for on the skin as a skin lightening and skin lightening ingredient.


Gallic acid in the treatment of UV-induced skin photoaging:

The mechanisms by which GALLIC ACID protects skin from UV-induced skin damage are multifaceted. Available evidence suggests that GALLIC ACID reduces UV-induced production of matrix metalloproteinases, thereby reducing collagen degradation. In addition, GALLIC ACID up-regulated Nrf2 (Nrf2 is a transcription factor that controls the expression of several genes encoding antioxidant proteins and cytoprotective mechanisms). Evidence on the effectiveness of GALLIC ACID in preventing photodamage is limited (see table below). A recent study showed that topical treatment of GALLIC ACID (10 μmol/L) in SKH-1 hairless mice resulted in fewer skin wrinkles after 8 weeks of exposure to UVB compared to untreated mice .



Test items

Indicators

Results

 The amount of gallic acid content (dry basis)

99.0%min

99.24

Loss on drying /(%)

0.5%max

0.40

Tannic acid test

no cloudy

no cloudy

Water dissolved experiment

no cloudy

no cloudy

chroma( Platinum - cobalt color number  )

180 max

Pass test

sulphates/(%)

0.02% max

Pass test

Melting point

250-252℃

252℃

Residue on ignition /(%)

0.1% max

Pass test

Turbidity(NIU)

10 max

<10

Tannic acid /(%)

1max

Pass test

As

3ppm max

Pass test


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