Iridoid glucosides from Thunbergia laurifolia.

نویسندگان

  • Tripetch Kanchanapoom
  • Ryoji Kasai
  • Kazuo Yamasaki
چکیده

Two iridoid glucosides, 8-epi-grandifloric acid and 3'-O-beta-glucopyranosyl-stilbericoside, were isolated from the aerial part of Thunbergia laurifolia along with seven known compounds, benzyl beta-glucopyranoside, benzyl beta-(2'-O-beta-glucopyranosyl) glucopyranoside, grandifloric acid, (E)-2-hexenyl beta-glucopyranoside, hexanol beta-glucopyranoside, 6-C-glucopyranosylapigenin and 6,8-di-C-glucopyranosylapigenin. Structural elucidation was based on the analyses of spectroscopic data.

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Anti-diabetic effect of Thunbergia laurifolia Linn. aqueous extract.

Several kinds of medicinal plants have been used to treat diabetes mellitus. In the present study, Thunbergia laurifolia Linn. (purple flower strain) were tested for hypoglycemic activity in rats. The effects on the reproductive system and the histology of the pancreas were also investigated. The hypoglycemic properties of the aqueous extract from the leaves (60 mg/ml/day) were evaluated in nor...

متن کامل

Thunbergia laurifolia, a traditional herbal tea of Thailand: botanical, chemical composition, biological properties and processing influence

This review aims to compile biological activity including antioxidant, anti-microbial, and anti-inflammatory properties of Thunbergia laurifolia or Rang Jued in Thai. Thais has been using this plant as folk medicine since ancient times. T. laurifolia is recognized mainly for its detoxification property, however, recently anti-inlammatory, antioxidant, anti-microbial, hepatoprotective and anti-d...

متن کامل

Thunbergia laurifolia Exhibits Antifibrotic Effects in Human Hepatic Stellate Cells

Leaves of Thunbergia laurifolia (TL) have been reported to have antioxidation, anti-inflammatory, detoxifying, and hepatoprotective effects. However, studies relating to antifibrotic activity have not been reported. Currently, there is no standard treatment for hepatic fibrosis. This study aimed to investigate the antifibrotic activity of TL in human hepatic stellate LX-2 cells. Results from ce...

متن کامل

Review of antidiabetic activity of “Rang Jeud” Thunbergia laurifolia

Article history: Received on: 22/05/2015 Revised on: 16/06/2015 Accepted on: 15/07/2015 Available online: 14/09/2015 Diabetes mellitus still is the serious medical problem to human health due to rapid increase and lead the cause of death in the developed and developing countries. It characterizes by hyperglycemia because there is the defect in insulin secretion, or the reduced sensitivity of th...

متن کامل

Protective Effect of Thunbergia laurifolia (Linn.) on Lead Induced Acetylcholinesterase Dysfunction and Cognitive Impairment in Mice

Thunbergia laurifolia (linn., TL), a natural phenolic compound, has been reported to have many benefits and medicinal properties. The current study ascertains the total phenolic content present in TL aqueous leaf extract and also examines the antioxidant ability of the extract in preserving acetylcholinesterase (AChE) activity of mice exposed to lead in vivo and in vitro model. Mice were given ...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:
  • Phytochemistry

دوره 60 8  شماره 

صفحات  -

تاریخ انتشار 2002