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Phytochemical and biological investigations of methanol extract of leaves of ziziphus mauritiana lam / Investigaciones fitoquímicas y biológicas de extractos metanólicos de hojas de ziziphus mauritiana lam
Hossain, Mohammad J; Sikder, Md. A.A; Kaisar, Mohammad A; Haque, Mohammad R; Chowdhury, Abu A; Rashid, Mohammad A.
  • Hossain, Mohammad J; University of Dhaka. Faculty of Pharmacy. Department of Pharmaceutical Chemistry. Dhaka. BD
  • Sikder, Md. A.A; University of Dhaka. Faculty of Pharmacy. Department of Pharmaceutical Chemistry. Dhaka. BD
  • Kaisar, Mohammad A; University of Dhaka. Faculty of Pharmacy. Department of Pharmaceutical Chemistry. Dhaka. BD
  • Haque, Mohammad R; University of Dhaka. Faculty of Pharmacy. Department of Pharmaceutical Chemistry. Dhaka. BD
  • Chowdhury, Abu A; University of Dhaka. Faculty of Pharmacy. Department of Pharmaceutical Chemistry. Dhaka. BD
  • Rashid, Mohammad A; University of Dhaka. Faculty of Pharmacy. Department of Pharmaceutical Chemistry. Dhaka. BD
Bol. latinoam. Caribe plantas med. aromát ; 14(3): 179-189, mayo 2015. tab, ilus
Article in English | LILACS | ID: biblio-907483
ABSTRACT
Seven compounds were isolated from the methanol extract of leaves of Ziziphus mauritiana. The structures of the isolated compounds were elucidated as y-fagarine (1), beta-sitosterol (2), stigmasterol (3), alfa-amyrin (4), lupeol (5), beta-amyrin (6) and betulin (7) by extensive spectroscopic studies and by co-TLC with authentic samples. This is the first report of isolation of compounds 1-7 from this plant species. The extractives from leaves were investigated for thrombolytic, membrane stabilizing, antimicrobial, antidiarrheal and analgesic potentials along with sleep inducing property on animal model. The thrombolytic and membrane stabilizing activities were assessed by using human erythrocyte comparing with standard streptokinase and acetylsalicylic acid, respectively. The methanolic extract reduced frequency of diarrheal faeces when compared to the standard loperamide. In castor oil induced diarrhea in mice a dose dependent decrease of gastrointestinal transits were observed. In radiant heat tail-flick method the methanol extract showed moderate antinociceptive activity, compared to standard morphine.
RESUMEN
Siete compuestos fueron aislados del extracto metanólico de hojas de Ziziphus mauritiana. Las estructuras de los compuestos aislados fueron identificadas como y-fagarina (1), beta-sitosterol (2), estigmasterol (3), alfa-amirina (4), lupeol (5), beta-amirina (6) y betulina (7 ) por medio de extensivos estudios espectroscópicos y por co-TLC con muestras auténticas. Este es el primer informe de aislamiento de los compuestos 1-7 a partir de esta especie vegetal. Los extractos de las hojas fueron investigados por efectos trombolíticos, estabilizadores de membrana, antimicrobianos, antidiarreicos y potenciales analgésicos junto a la propiedad de inducir sueño en el modelo animal. Las actividades trombolíticos y la estabilización de la membrana se evaluaron mediante el uso de eritrocitos humanos comparando con estreptoquinasa estándar y el ácido acetilsalicílico, respectivamente. El extracto metanólico redujo la frecuencia de las heces diarreicas en comparación con el estándar de loperamida. En la inducción por aceite de ricino de diarrea en ratones, se observó una disminución dosis dependiente de los tránsitos gastrointestinales. En el método del coletazo producido por calor radiante, el extracto metabólico mostró una actividad antinociceptiva moderada, en comparación con la morfina estándar.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Triterpenes / Plant Leaves / Ziziphus / Anti-Infective Agents / Antidiarrheals Limits: Animals Language: English Journal: Bol. latinoam. Caribe plantas med. aromát Journal subject: Botany / Medicine / Plantas Medicinais / Terapias Complementares Year: 2015 Type: Article Affiliation country: Bangladesh Institution/Affiliation country: University of Dhaka/BD

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Full text: Available Index: LILACS (Americas) Main subject: Triterpenes / Plant Leaves / Ziziphus / Anti-Infective Agents / Antidiarrheals Limits: Animals Language: English Journal: Bol. latinoam. Caribe plantas med. aromát Journal subject: Botany / Medicine / Plantas Medicinais / Terapias Complementares Year: 2015 Type: Article Affiliation country: Bangladesh Institution/Affiliation country: University of Dhaka/BD