Phytochemistry
1. Chemical constituents, quantitative analysis and insecticidal activities of plant extract and essential oil from Origanum onites L.

Ramazan Erenler; Ibrahim Demirtas; Tunay Karan; Fatih Gul; Omer Kayir; Omer Cem Karakoc

Volume 2, Issue 2 , Spring 2018, , Pages 91-96

Abstract
  Origanum, widely used for food and pharmaceutical industry, belonging to the Lamiaceae family, is an aromatic and medicinal plant. The aerial parts of the Origanum onites L. were dried at shade and was extracted with methanol. Rosmarinic acid, gentisic acid, 4-hydroxybenzoic acid, protocatechuic acid, ...  Read More

Chemical constituents, quantitative analysis and insecticidal activities of plant extract and essential oil from <i>Origanum onites</i> L.


Analytical Assessments of Bioactive Compounds
2. Extraction, purification, characterization and antioxidant activities of heat-resistance phenolic compounds from lemon pulp

Yasar Ipek; Tevfik Ozen; Ibrahim Demirtas

Volume 1, Issue 4 , Autumn 2017, , Pages 199-206

Abstract
  Lemon as a citrus species is widely cultivated in the Mediterranean region, Turkey. The lemon pulp has been characterized as a rich source of phenolic and flavonoid compounds, phenolic acid as well as novel coumarin derivatives. It is usually obtained within the juice production in the food industries. ...  Read More

Extraction, purification, characterization and antioxidant activities of heat-resistance phenolic compounds from lemon pulp