Anti-Hyperglycemic Activity of Major Compounds from Calea ternifolia

Demethylisoencecalin (1) and caleins A (4) and C (5) (3.16–31.6 mg/kg, p.o.), the major components from an infusion of Calea ternifolia controlled postprandial glucose levels during an oral sucrose tolerance test (OSTT, 3 g/kg) in normal and nicotinamide/streptozotocin (NA/STZ, 40/100 mg/kg) hypergl...

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Main Authors: Sonia Escandón-Rivera, Araceli Pérez-Vásquez, Andrés Navarrete, Mariana Hernández, Edelmira Linares, Robert Bye, Rachel Mata
Format: Article
Language:English
Published: MDPI AG 2017-02-01
Series:Molecules
Subjects:
Online Access:http://www.mdpi.com/1420-3049/22/2/289
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author Sonia Escandón-Rivera
Araceli Pérez-Vásquez
Andrés Navarrete
Mariana Hernández
Edelmira Linares
Robert Bye
Rachel Mata
author_facet Sonia Escandón-Rivera
Araceli Pérez-Vásquez
Andrés Navarrete
Mariana Hernández
Edelmira Linares
Robert Bye
Rachel Mata
author_sort Sonia Escandón-Rivera
collection DOAJ
description Demethylisoencecalin (1) and caleins A (4) and C (5) (3.16–31.6 mg/kg, p.o.), the major components from an infusion of Calea ternifolia controlled postprandial glucose levels during an oral sucrose tolerance test (OSTT, 3 g/kg) in normal and nicotinamide/streptozotocin (NA/STZ, 40/100 mg/kg) hyperglicemic mice. The effects were comparable to those of acarbose (5 mg/kg). During the isolation of 1, 4, and 5, four additional metabolites not previously reported for the plant, were obtained, namely 6-acetyl-5-hydroxy-2-methyl-2-hydroxymethyl-2H-chromene (3), herniarin (6), scoparone (7), and 4′,7-dimethylapigenin (8). In addition, the structure of calein C (5) was confirmed by X-ray analysis. Pharmacological evaluation of the essential oil of the species (31.6–316.2 mg/kg, p.o.) provoked also an important decrement of blood glucose levels during an OSTT. Gas chromatography coupled with mass spectrometry (GC-MS) analysis of the headspace solid phase microextraction (HS-SPME)-adsorbed compounds and active essential oil obtained by hydrodistillation revealed that chromene 1 was the major component (19.92%); sesquiterpenes represented the highest percentage of the essential oil content (55.67%) and included curcumene (7.10%), spathulenol (12.95%) and caryophyllene oxide (13.0%). A suitable High Performance Liquid Chromatography (HPLC) method for quantifying chromenes 1 and 6-hydroxyacetyl-5-hydroxy-2,2-dimethyl-2H-chromene (2) was developed and validated according to standard protocols.
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spelling doaj.art-f0c0551d6fb8421580892356b7b7bf352022-12-22T03:12:18ZengMDPI AGMolecules1420-30492017-02-0122228910.3390/molecules22020289molecules22020289Anti-Hyperglycemic Activity of Major Compounds from Calea ternifoliaSonia Escandón-Rivera0Araceli Pérez-Vásquez1Andrés Navarrete2Mariana Hernández3Edelmira Linares4Robert Bye5Rachel Mata6Facultad de Química, Universidad Nacional Autónoma de México, Mexico City 04510, MexicoFacultad de Química, Universidad Nacional Autónoma de México, Mexico City 04510, MexicoFacultad de Química, Universidad Nacional Autónoma de México, Mexico City 04510, MexicoFacultad de Química, Universidad Nacional Autónoma de México, Mexico City 04510, MexicoInstituto de Biología, Universidad Nacional Autónoma de México, Mexico City 04510, MexicoInstituto de Biología, Universidad Nacional Autónoma de México, Mexico City 04510, MexicoFacultad de Química, Universidad Nacional Autónoma de México, Mexico City 04510, MexicoDemethylisoencecalin (1) and caleins A (4) and C (5) (3.16–31.6 mg/kg, p.o.), the major components from an infusion of Calea ternifolia controlled postprandial glucose levels during an oral sucrose tolerance test (OSTT, 3 g/kg) in normal and nicotinamide/streptozotocin (NA/STZ, 40/100 mg/kg) hyperglicemic mice. The effects were comparable to those of acarbose (5 mg/kg). During the isolation of 1, 4, and 5, four additional metabolites not previously reported for the plant, were obtained, namely 6-acetyl-5-hydroxy-2-methyl-2-hydroxymethyl-2H-chromene (3), herniarin (6), scoparone (7), and 4′,7-dimethylapigenin (8). In addition, the structure of calein C (5) was confirmed by X-ray analysis. Pharmacological evaluation of the essential oil of the species (31.6–316.2 mg/kg, p.o.) provoked also an important decrement of blood glucose levels during an OSTT. Gas chromatography coupled with mass spectrometry (GC-MS) analysis of the headspace solid phase microextraction (HS-SPME)-adsorbed compounds and active essential oil obtained by hydrodistillation revealed that chromene 1 was the major component (19.92%); sesquiterpenes represented the highest percentage of the essential oil content (55.67%) and included curcumene (7.10%), spathulenol (12.95%) and caryophyllene oxide (13.0%). A suitable High Performance Liquid Chromatography (HPLC) method for quantifying chromenes 1 and 6-hydroxyacetyl-5-hydroxy-2,2-dimethyl-2H-chromene (2) was developed and validated according to standard protocols.http://www.mdpi.com/1420-3049/22/2/289Calea ternifoliaAsteraceaechromenessesquiterpene lactonesantihyperglycemic
spellingShingle Sonia Escandón-Rivera
Araceli Pérez-Vásquez
Andrés Navarrete
Mariana Hernández
Edelmira Linares
Robert Bye
Rachel Mata
Anti-Hyperglycemic Activity of Major Compounds from Calea ternifolia
Molecules
Calea ternifolia
Asteraceae
chromenes
sesquiterpene lactones
antihyperglycemic
title Anti-Hyperglycemic Activity of Major Compounds from Calea ternifolia
title_full Anti-Hyperglycemic Activity of Major Compounds from Calea ternifolia
title_fullStr Anti-Hyperglycemic Activity of Major Compounds from Calea ternifolia
title_full_unstemmed Anti-Hyperglycemic Activity of Major Compounds from Calea ternifolia
title_short Anti-Hyperglycemic Activity of Major Compounds from Calea ternifolia
title_sort anti hyperglycemic activity of major compounds from calea ternifolia
topic Calea ternifolia
Asteraceae
chromenes
sesquiterpene lactones
antihyperglycemic
url http://www.mdpi.com/1420-3049/22/2/289
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