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831-61-8

831-61-8 structure
831-61-8 structure
Name ethyl gallate
Synonyms N-ETHYLGALLATE
nipa48
MFCD00016430
nipagallina
ethyl 3,4,5-trihydroxybenzoate
Nipa No. 48
3,4,5-Trihydroxybenzoic acid ethyl ester
3,4,5-trihydroxyethylbenzoate
Progallin A
Gallic acid ethyl ester
Phyllemblin
Gallic acid ethyl
EINECS 212-608-5
UNII-235I6UDD3L
Ethyl gallate
Benzoic acid, 3,4,5-trihydroxy-, ethyl ester
ethylgallate
Description Ethyl gallate is a nonflavonoid phenolic compound and also a scavenger of hydrogen peroxide.
Related Catalog
In Vitro Ethyl gallate is a nonflavonoid phenolic compound and also a scavenger of hydrogen peroxide. After treatment for 24 h or 48 h with Ethyl gallate, HL-60 cells show changes in morphology, including shrinkage of the cell membrane and the development of apoptotic bodies. Consistent with these effects, the viability of Ethyl gallate-treated cells decreases in a time- and dose-dependent manner, demonstrating that Ethyl gallate has a cytotoxic effect on HL-60 cells. Ethyl gallate treatment increases the proportion of cells in subG1 phase in a concentration- and time-dependent manner. Treatment of cells for 24 h or 48 h with 50 μM or 75 μM Ethyl gallate increases the percentage of cells in the subG1 phase from a baseline of 2.9% to 26.5% or 52.6%, respectively. It is found that Ethyl gallate treatment of HL-60 cells decreases the expression of Bcl-2 at 75 μM Ethyl gallate, and increases Bax and truncated Bid (tBid) expression at 24 h[1].
In Vivo No significant difference in the serum total protein, albumin, globulin and glucose is found between the rats fed with A. nilotica (L.) leaf extract on ethyl gallate equivalent basis and those fed with Ethyl gallate alone. Significant differences in total bilirubin level, however, exist between the rats that receive A. nilotica (L.) leaf extract, 500 mg/kg body weight (ethyl gallate equivalent of 10 mg/kg, 0.34±0.01 mg/dL) and those receiving 10 mg/kg body weight of Ethyl gallate (0.26±0.01 mg/dL). Significant difference is found for ALT between groups fed with 500 and 1000 mg/kg body weight of A. nilotica (L.) leaf extract (26.52±1.23 and 30.05±1.38 U/L) and 10 and 20 mg/kg of Ethyl gallate (20.50±0.94 and 24.67±1.13 U/L)[2].
Kinase Assay The expression of apoptosis-related proteins (caspases-8, -9, -3; AIF; Endo G; Bid; Bax; and Bcl-2) in HL-60 cells is determined by sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) of lysates followed by western blotting. For this, HL-60 cells (1.5×106) are treated with 50 μM or 75 μM Ethyl gallate for 6 h, 12 h, or 24 h. Total cell lysates are obtained by resuspending cells in ice-cold radioimmunoprecipitation assay (RIPA) buffer for 30 min followed by centrifugation. Protein concentration is determined using a NanoDrop spectrophotometer. Aliquots of lysates (100 μg protein equivalents) are resolved by 12% SDS-PAGE and transferred onto nitrocellulose membranes[1].
Cell Assay HL-60 cells (1×106) are treated with 50 μM or 75 μM Ethyl gallate for 24 h or 48 h at 37°C. Cells are then harvested by centrifugation and fixed in 70% ethanol at 4°C for 24 h. Fixed cells are resuspended in PBS containing 40 μg/mL Propidium iodide (PI), 100 μg/mL RNase A, and 0.1% Triton X-100 and incubated in the dark for 30 min at room temperature. Cell cycle distribution is analyzed by flow cytometry on a FACSCalibur. To investigate apoptotic cells, HL-60 cells (1×106) incubated with different concentration of 50 μM, 75 μM and 100 μM Ethyl gallate for 24 h or 48 h at 37°C, and then DAPI staining is conducted. The cells are photographed using a fluorescence microscopy[1].
Animal Admin Forty eight female albino Wistar rats of six to eight weeks old are used and divided into eight groups based on their body weights. Group 1 rats serve as control receiving 1.0 mL of the vehicle (0.1% ethanol); Group 2 rats receive A. nilotica (L.) leaf extract (250 mg/kg body weight); Group 3 rats receive A. nilotica (L.) leaf extract (500 mg/kg body weight); Group 4 rats receive A. nilotica (L.) leaf extract (1000 mg/kg body weight); Group 5 rats receive A. nilotica (L.) leaf extract (2000 mg/kg body weight); Group 6 rats receive Ethyl gallate (5 mg/kg body weight); Group 7 rats receive Ethyl gallate (10 mg/kg body weight); Group 8 rats receive Ethyl gallate (20 mg/kg body weight). Body weights are recorded on 0th and 14th day for each group and all rats are decapitated after an overnight fast[2].
References

[1]. Kim WH, et al. Ethyl gallate induces apoptosis of HL-60 cells by promoting the expression of caspases-8, -9, -3, apoptosis-inducing factor and endonuclease G. Int J Mol Sci. 2012;13(9):11912-22.

[2]. Mohan S, et al. In vitro protection of biological macromolecules against oxidative stress and in vivo toxicity evaluation of Acacia nilotica (L.) and ethyl gallate in rats. BMC Complement Altern Med. 2014 Jul 21;14:257.
Density 1.4±0.1 g/cm3
Boiling Point 447.3±40.0 °C at 760 mmHg
Melting Point 149-153 °C
Molecular Formula C9H10O5
Molecular Weight 198.173
Flash Point 185.0±20.8 °C
Exact Mass 198.052826
PSA 86.99000
LogP 2.07
Vapour Pressure 0.0±1.1 mmHg at 25°C
Index of Refraction 1.611
Water Solubility soluble

CHEMICAL IDENTIFICATION

RTECS NUMBER :
LW7700000
CHEMICAL NAME :
Gallic acid, ethyl ester
CAS REGISTRY NUMBER :
831-61-8
BEILSTEIN REFERENCE NO. :
2116014
LAST UPDATED :
199701
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C9-H10-O5

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
5810 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,668,1986
Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes T+
Safety Phrases S24/25
RIDADR NONH for all modes of transport
WGK Germany 2
RTECS LW7700000
HS Code 2918290000
HS Code 2918290000
Summary HS: 2918290000 other carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) VAT:17.0% MFN tariff:6.5% General tariff:30.0%

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