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ChemicalBook--->CAS DataBase List--->158732-55-9

158732-55-9

158732-55-9 Structure

158732-55-9 Structure
IdentificationBack Directory
[Name]

escin IIa
[CAS]

158732-55-9
[Synonyms]

escin IIa
82XHO27XQ8
AESCIN IIA
b-D-Glucopyranosiduronic acid, (3b,4b,16a,21b,22a)-22-(acetyloxy)-16,23,28-trihydroxy-21-[[(2E)-2-methyl-1-oxo-2-buten-1-yl]oxy]olean-12-en-3-ylO-b-D-glucopyranosyl-(14)-O-[b-D-xylopyranosyl-(12)]-
β-D-Glucopyranosiduronic acid, (3β,4β,16α,21β,22α)-22-(acetyloxy)-16,23,28-trihydroxy-21-[[(2E)-2-methyl-1-oxo-2-buten-1-yl]oxy]olean-12-en-3-yl O-β-D-glucopyranosyl-(1→4)-O-[β-D-xylopyranosyl-(1→2)]-
[Molecular Formula]

C54H84O23
[MDL Number]

MFCD10566614
[MOL File]

158732-55-9.mol
[Molecular Weight]

1101.24
Chemical PropertiesBack Directory
[Boiling point ]

1111.9±65.0 °C(Predicted)
[density ]

1.45±0.1 g/cm3 (20 ºC 760 Torr)
[pka]

2.63±0.70(Predicted)
Hazard InformationBack Directory
[Uses]

Escin IIa, isolated from horse chestnut, the seeds of Aesculus hippocastanum L., has positive effects on acute inflammation in animals. Escin IIa has gastroprotections on ethanol-induced gastric mucosal lesions in rats[1][2].
[in vivo]

Escins Ia, Ib, IIa, and IIb (50-200 mg/kg) inhibits the increase of vascular permeability induced by both acetic acid in mice and histamine in rats. Escins Ib, IIa, and IIb (50-200 mg/kg) also inhibit that induced by serotonin in rats, but escin Ia didn't. Escins Ia, Ib, IIa, and IIb (200 mg/kg) inhibit the hind paw edema induced by carrageenin at the first phase in rats. Escin Ia (200 mg/kg) and escins Ib, IIa, and IIb (50-200 mg/kg) inhibit the scratching behavior induced by compound 48/80 in mice, but escin Ia was weakest[1].
Escin IIa (10-50 mg/kg;p.o.;) potently inhibits ethanol-induced gastric mucosal lesions[2].

Animal Model:Male Sprague–Dawley rats (Ethanol-induced gastric mucosal lesions in rats)[1]
Dosage:10-50 mg/kg
Administration:p.o.
Result:Showed a potent protective effect against ethanol-induced gastric lesions in rats.
[References]

[1] Matsuda H, et al. Effects of escins Ia, Ib, IIa, and IIb from horse chestnut, the seeds of Aesculus hippocastanum L., on acute inflammation in animals. Biol Pharm Bull. 1997;20(10):1092-1095. DOI:10.1248/bpb.20.1092
[2] Matsuda H, et al. Gastroprotections of escins Ia, Ib, IIa, and IIb on ethanol-induced gastric mucosal lesions in rats. Eur J Pharmacol. 1999;373(1):63-70. DOI:10.1016/s0014-2999(99)00249-6
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