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Alkaloids, Coumarins and Lignans from Haplophyllum Species 

Ulubelen, Ayhan; Öztürk, Mehmet (Acg Publications, 2008)
Although there are a number of Haplophyllum species in the world, H. acutifolium (DC.) G. Don. H. buxbaumii (Poiret) G. Don, H. buxbaumii (Poiret) G. Don, subsp. Buxbaumii, H. cappadocium Spach, H. glabrinum, H. hispanicum ...
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GC-MS Analysis of the Antioxidant Active Fractions of Micromeria juliana with Anticholinesterase Activity 

Öztürk, Mehmet; Kolak, Ufuk; Duru, Mehmet Emin; Harmandar, Mansur (Natural Products Inc, 2009)
The aerial parts of Micromeria juliana (L.) Bentham ex Reichb. were extracted with light petroleum, acetone and methanol, successively. The antioxidant activity of different concentrations of the extracts was evaluated ...
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GC-MS Analysis and Antimicrobial Activity of Essential Oil of Stachys cretica subsp smyrnaea 

Öztürk, Mehmet; Duru, Mehmet Emin; Aydoğmuş-Öztürk, Fatma; Harmandar, Mansur; Mahlıçlı, Melda; Kolak, Ufuk; Ulubelen, Ayhan (Natural Products Inc, 2009)
The essential oil from the aerial parts of Stachys cretica L. subsp. smyrnaea Rech. fil. (Lamiaceae), endemic to Turkey, was investigated by using GC and GC-MS. Thirty-four of 37 components, represented 99.7% of the total ...

Fatty acids and other lipid composition of five Trifolium species with antioxidant activity 

Sabudak, Temine; Öztürk, Mehmet; Goren, Ahmet C.; Kolak, Ufuk; Topcu, Gulacti (Taylor & Francis Ltd, 2009)
The contents of fatty acids and other lipids of Trifolium balansae Boiss, Trifolium stellatum Lin., Trifolium nigrescens Viv. subsp. petrisavi (Clem) Holmboe, Trifolium constantinopolitanum Ser., and Trifolium resupinatum ...
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Antioxidant and anticholinesterase constituents of Salvia poculata 

Kolak, Ufuk; Hacıbekiroğlu, Işıl; Öztürk, Mehmet; Özgökçe, Fevzi; Topçu, Gülaçtı; Ulubelen, Ayhan (Scientific Technical Research Council Turkey-Tubitak, 2009)
Two triterpenoids, namely 2 alpha,3 alpha-dihydroxy-24-nor-4(23), 12-oleanadien-28-oic acid (1) and ursolic acid (2); 4. avonoids, namely 5-hydroxy-7,4'-dimethoxyflavone (3), cirsimaritin (4), eupatilin (5), and salvigenin ...
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Antioxidant, anticholinesterase and antimicrobial constituents from the essential oil and ethanol extract of Salvia potentillifolia 

Kıvrak, İbrahim; Duru, Mehmet Emin; Öztürk, Mehmet; Mercan, Nazime; Harmandar, Mansur; Topçu, Gülaçtı (Elsevier Sci Ltd, 2009)
The essential oil of Salvia potentillifolia was analysed by GC and GC-MS. Totally, 123 components were detected in both hydrodistilled and steam-distilled oils, alpha- and beta-pinenes being major compounds. The antioxidant ...
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Antioxidant activity of stem and root extracts of Rhubarb (Rheum ribes): An edible medicinal plant 

Öztürk, Mehmet; Aydoğmuş-Öztürk, Fatma; Duru, Mehmet Emin; Topçu, Gülaçtı (Elsevier Sci Ltd, 2007)
The antioxidant activity of chloroform and methanol extract of roots and stems of Rhubarb (Rheum ribes L.), which are used for medicinal purposes and also its fresh stems and petioles are consumed as vegetable, was studied. ...
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Antioxidant abietane diterpenoids from Salvia barrelieri 

Kabouche, Ahmed; Kabouche, Zahia; Öztürk, Mehmet; Kolak, Ufuk; Topçu, Gülaçtı (Elsevier Sci Ltd, 2007)
The root extract of endemic Algerian Salvia species Salvia barrelieri Ettling and its diterpenoids were investigated for potential antioxidant activity. From its acetone extract, a new natural abietane diterpenoid ...
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Antioxidant Diterpenoids from the Roots of Salvia barrelieri 

Kolak, Ufuk; Kabouche, Ahmed; Öztürk, Mehmet; Kabouche, Zahia; Topçu, Gülaçtı; Ulubelen, Ayhan (John Wiley & Sons Ltd, 2009)
Introduction - The phytochemical and biological studies carried out on Salvia species showed that their extracts and constituents have various biological activities. Objective - The aim of this study was the isolation of ...
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A new flavone from antioxidant extracts of Pistacia terebinthus 

Topçu, Gülaçtı; Ay, Mehmet; Bilici, Ali; Sarıkürkçü, Cengiz; Öztürk, Mehmet; Ulubelen, Ayhan (Elsevier Sci Ltd, 2007)
Acetone and methanol extracts of the fruits of Pistacia terebinthus L. subsp. terebinthus L. were studied for their antioxidant activity by investigating their total phenolic and flavonoid contents, P-carotene bleaching ...
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Öztürk, Mehmet (13)
Topçu, Gülaçtı (7)Duru, Mehmet Emin (6)Kolak, Ufuk (6)Ulubelen, Ayhan (5)Harmandar, Mansur (4)Aydoğmuş-Öztürk, Fatma (2)Kabouche, Ahmed (2)Kabouche, Zahia (2)Ay, Mehmet (1)... View MoreSubjectAntioxidant Activity (5)Lamiaceae (5)Anticholinesterase Activity (3)Essential Oil (3)GC-MS (3)Antimicrobial Activity (2)antioxidant activity (2)Salvia Potentillifolia (2)6 ''-hydroxyhypolaetin 3 '-methyl ether (1)7-Epi-Salviviridinol (1)... View MoreDate Issued2009 (8)2007 (3)2004 (1)2008 (1)Full Text StatusWith Full Text (11)Without Full Text (2)

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