Chemical properties of Crataegus pentagyna subsp. pentagyna, C. orientalis subsp. orientalis, C. orientalis subsp. szovitsii, C. tanacetifolia, C. azarolus var.aronia, C. monogyna var. lasiocarpa, C. monogyna var. monogyna taxa that are naturally distributed in Western Anatolia were determined in this study. Leaf and flower samples collected from Izmit, Sakarya, Balıkesir, Izmir, Kütahya, Muğla and Isparta provinces of Western Anatolia to determine volatile components in 2010-2014 period were dried at room temperature. Volatile components that were obtained by dry phase microextraction (SPME) method in Süleyman Demirel University Central Laboratories were determined in Gas chromatography–mass spectrometry (GC-MS). A total of 81 volatile components belonging to 7 hawthorn taxa were determined. Volatile oil components that were identified at highest ratios were benzaldehyde (82.54%) butyraldehyde (38.27%) and (E)2-hexenal (21.67%) components. Moisture values of hawthorn seeds samples that were collected from sample areas during ripening period were determined. Fatty acid composition was determined in with Gas Chromatography-Flame Ionization Detector (GC-FID) using standard fatty acid mixture. Moisture values of hawthorn seeds varied between 14.49%-36.33%. 10 fatty acid compositions belonging to 7 hawthorn taxa were determined, the highest were linoleic (64.23%), oleic (39.36%) and palmitic acid (8.16%) respectively.

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In this study, conducted between 2015 and 2017, 49 different volatile components were identified from Phlomis rigida Labill that was reaped from Gölcük highland located on Konya Seydişehir-Bozkır road and Phlomis monocephala P.H.Davis that was reaped from Mersin Silifke Bahçederesi Village in Turkey at three different periods (pre-flowering, flowering and post-flowering) through gas chromatography mass spectroscopy (GC-MS) after solid phase micro extraction (SPME). The main components of Phlomis rigida were found to be (E)-2-Hexenal (9.21%), β-Caryophyllene (60.23%) and Germacrene D (9.76%). The main components of Phlomis monocephala were found to be α-Pinene (15.59%), (E)-β-Farnesene (17.69%) and Germacrene D (18.92%). It was concluded that reaping P. rigida and P. monocephala species during the flowering period was important for the yield of volatile components.

Aim of the study: This study was performed to determine the essential oil components of Salvia tomentosa Mill., Salvia argentea L. and Salvia bracteata Bank et Sol. Area of study: The study was carried out in two districts (Eğirdir and Şarkikaraağaç) located at Isparta province in Turkey. Material and methods: The isolation of essential oil components was performed from shoots with leaves and flowers. Qualitative analysis of essential oils was carried out by using a Shimadzu 2010 Plus GC-MS device. The identification of the constituents was carried out by comparing the retention index (RI) and mass spectral data (MS) to those reported in the literature. Main results: As a result of the GC-MS analysis, the major components of the essential oil were (-)-caryophyllene oxide (49.56%), β-vatirenene (7.87%), and α-Muurolol (6.78%) in S. tomentosa, sclareol (40.01%), germacrene-D (13.93%) and β-pinene (11.93%) in S. argentea and eucalyptol (1,8-cineole) (16.6%), β-pinene (14.7%) and cembrene (10.88%) in S. bracteata. Sclareol, which was determined at a high concentration in S. argentea in this study, is an economically valuable component that is widely used as flavoring in food and tobacco industry and as a perfume ingredient in the cosmetic industry. Highlights: According to this study, the cultivation of S. argentea can provide high economic returns