Triterpenoids from the roots of Sanguisorba tenuifolia var. Alba.

نویسندگان

  • Hai-Xue Kuang
  • Hong-Wei Li
  • Qiu-Hong Wang
  • Bing-You Yang
  • Zhi-Bin Wang
  • Yong-Gang Xia
چکیده

The ethyl acetate soluble fraction from the roots of Sanguisorba tenuifolia was found to have a hypoglucemic effect in alloxan-induced diabetic rats. Two new triterpenoids, identified as 2-oxo-3β,19α-dihydroxyolean-12-en-28-oic acid β-D-gluco-pyranosyl ester (1) and 2α,19α-dihydroxy-3-oxo-12-ursen-28-oic acid β-D-glucopyranosyl ester (4) were isolated from this fraction, along with thirteen known triterpenoids. Their structures were elucidated by chemical and spectroscopic methods. All these compounds demonstrated inhibitory activities against α-glucosidase with IC₅₀ values in the 0.62-3.62 mM range.

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

Lipopolysaccharide-Induced Nitric Oxide and Prolyl Oligopeptidase – Inhibitory Activities of Triterpenoids from Sanguisorba officinalis

Lipopolysaccharide-induced nitric oxide and the protease prolyl oligopeptidase (EC 3.4.21.26) have been proposed as targets for the treatment of cognitive disturbances such as dementia. In this study, nine triterpenoids isolated from the roots of Sanguisorba officinalis, including arjunic acid (1), rosamultic acid (2), haptadienic acid (3), 1β-hydroxyeuscaphic acid (4), euscaphic acid (5), torm...

متن کامل

Triterpenoids from the Roots of Rhaphiolepis indica var. tashiroi and Their Anti-Inflammatory Activity

Two new triterpenoids, 2α,3β-dihydroxyolean-11,13(18)-dien-19β,28-olide (1) and 3β,5β-dihydroxyglutinol (2), together with eight known compounds (3-10) were isolated from the roots of Rhaphiolepis indica var. tashiroi (Rosaceae). The structures of 1-10 were determined by spectroscopic techniques. Among these isolates, 2α,3β-dihydroxyolean-13(18)-en-28-oic acid (9) exhibited inhibitory effect on...

متن کامل

Inhibitory effects of constituents from Morus alba var. multicaulis on differentiation of 3T3-L1 cells and nitric oxide production in RAW264.7 cells.

A new arylbenzofuran, 3',5'-dihydroxy-6-methoxy-7-prenyl-2-arylbenzofuran (1), and 25 known compounds, including moracin R (2), moracin C (3), moracin O (4), moracin P (5), artoindonesianin O (6), moracin D (7), alabafuran A (8), mulberrofuran L (9), mulberrofuran Y (10), kuwanon A (11), kuwanon C (12), kuwanon T (13), morusin (14), kuwanon E (15), sanggenon F (16), betulinic acid (17), uvaol (...

متن کامل

Triterpenoids, Essential oil and Photo-oxidative 28-->13- Lactonization of Hepatoprotective Oleanolic acid from Lantana camara

Several known triterpenoids have been isolated from the roots of Lantana camara L. along with two new ones namely: 3ß,19α-dihydroxy-ursan-28-oic acid (7) and methyl 21,22ß-epoxy-3ß-hydroxy-olean-12-en-28-oate (8a). The hepatoprotective principle, oleanolic acid (1), from the roots has been converted into its 28-->13ß-lactone 10 by a facile photo-oxidation reaction. The leaves of L. camara have ...

متن کامل

Isolation and identification of the phenolic compounds from the roots of Sanguisorba officinalis L. and their antioxidant activities.

Four phenolic compounds were isolated from the roots of Sanguisorba officinalis L. by silica gel column chromatography and preparative HPLC. On the basis of chemical and spectroscopic methods, their structures were identified as methyl 4-O-β-D-glucopyranosy-5-hydroxy-3-methoxylbenzoate (1), 3,3′,4′-tri-O-methylellagic acid (2), fisetinidol-(4α-8)-catechin (3), and (+)-catechin (4). Compound 1 i...

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:
  • Molecules

دوره 16 6  شماره 

صفحات  -

تاریخ انتشار 2011