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Determination Of Bitterness Index (K225) And Total Fenol Content Of Olive Oils Obtained With Different Regions, Varieties And Processing Systems

Yıl 2018, Cilt: 55 Sayı: 2, 171 - 178, 27.06.2018
https://doi.org/10.20289/zfdergi.340262

Öz

In this work the effect of different
growing areas on olive (Ayvalık, Memecik, Gemlik, Beylik, Edincik Su, Girit,
Kilis Yağlık, Sarı Ulak, Tavşan Yüreği, Topak Aşı) oil bitterness index (K225)
were studied at the South Marmara, South and North Aegean, West and East
Mediterranean  Regions at two, two and a
half (2.5), and three phase extraction system, during 2014/2015 crop season. A
total of 41 virgin olive oils samples were collected from these Regions. Total
phenol content and bitternes index (K225) were analyzed in the
research. A Solid-Phase Extraction procedure were carried out for extraction of
the bitter compounds. The results of total phenol content and K225 values
showed that the Beylik olive oil was determined with the highest total phenol
conent and bitterness index
(K225) with 330.26 mg CAE kg-1 oil  and 1.21 at 2.5 phase
extraction system
from Manavgat
at the West Mediterranean Region, respectively. After the Beylik  variety, the highest total phenol content was
determined Ayvalık and Edincik Su olive oil with 291.03 and 270.62 mg CAE kg
-1 oil, respectively. The
Memecik and Ayvalık olive oil bitterness index
(K225) was determined 0.86 and 0.85 at two phase extraction
system
from Muğla and Burhaniye at the South
and North Aegean, respectively. 

Kaynakça

  • Aguilera,P. M., Beltran, G., Ortega, D., Fernandez, A., Jimenez, A., Uceda, M. 2005. Characterisation of virgin olive oil of Italian olive cultivars: ‘Frantoio’ and ‘Leccino’, grown in Andalusia. Food Chem. 89: 387-391.
  • Condelli, N., Carusa, M.C., Galgano, F., Russo, D., Milella, L., Favati, F. 2015. Prediction of the antioxidant activity of extra virgin olive oils produced in the Mediterranean area. Food Chem., 177: 233-239.
  • Escuderos, M.E., Alcantara, F., Garcia Mesa, J.A. 2014. Evaluation of virgin olive oil bitterness by multivariate analysis of ultraviolet spectra of the phenolic extract. 12th Euro Fed Lipid Congress Oils, Fats and Lipids: From Lipidomics to Industrial Innovation 14-17 September 2014 Montpellier France, 463.
  • Favati, F., Condelli, N., Galgano, F., Caruso, M.C. 2013. Extra virgin olive oil bitterness evaluation by sensory and chemical analyses. Food Chem. 139: 949-954.
  • Gutfinger, T. 1981. Polyphenols in olive oils. Journal of American Oil Chemists Society, 58, 966-968.
  • Gutierrez R., F., Perdiguero, S., Gutierrez, R., Olias J.M. 1992. Evaluation of bitter test of virgin olive oil. J Am Oil Chem Soc. 69: 394-395
  • Hrncirik, K., & Fritsche, S. 2004. Comparability and reliability of different techniques for the determination of phenolic compounds in virgin olive oil. European Journal of Lipid Science and Technology, 106, 540-549.
  • Ilyasoglu, H., Ozcelik, B., Van hoed, V. , Verhe, R. 2010. Characterization of Aegean olive oils by their minör compounds. Eur J Lipid Sci Technol. 87: 627-636.
  • Inarejos-Garcia, A.M., Gomez-Rico, A., Desamparados Salvador, M., Fregapane, G. 2009. Influence of malaxation conditions on virgin olive oil yield, overall quality and composition. Eur Food Res Technol., 228. 671-677
  • Koseoglu, O. , Unal, M.K. (2008): The effect of phenolic compounds on the quality and stability of virgin olive oil. Acta Hortic . 79:655-663.
  • Köseoğlu, O., Sevim D., Kadiroğlu, P. 2016. Quality characteristics and antioxidant properties of turkish monovarietal olive oils regarding stages of olive ripening, Food Chemistry, 212, 628-634.
  • Morello, J.R., Romero M.P., Moltiva M.J. 2004. Effect of maturation process of the olive fruit on the phenolic fraction of drupes and oils from Arbequina, Farga, and Morrut cultivars. J Agric Food Chem. 52: 6002-6009.
  • Rotondi, A., Alfei, B., Magli, M., Pannelli, G.2010. Influence of genetic matrix and crop year on chemical and sensory profiles of Italian monovarietal extra-virgin olive oils. J Sci Food Agric. 90: 2641-2648.
  • Sevim, D., Tucay, O., Koseoglu, O. 2013. The effect of olive leaf addition on antioxidant content and antioxidant activity of “Memecik“ oliveoils at two maturity stages. J Am Oil Chem Soc. 90: 1359-1369.
  • Skevin, D., Rade, D., Strucelj, D., Mokrovcak, Z., Nederal, S., Bencic, D. 2003. The influence of variety and harvest time on the bitterness and phenolic compounds of olive oil. Eur J Lipid Sci Technol . 105: 536-541.
  • Visioli, F. , Galli C., 1998. The effect of minör constituents of olive oil on cardiovascular diseased:new findings. Nutr. Rev. 56: 142-147.

Farklı Bölge, Çeşit Ve Üretim Sistemleri İle Elde Edilen Zeytinyağlarının Acılık İndekslerinin Ve Toplam Fenol Değerlerinin Belirlenmesi

Yıl 2018, Cilt: 55 Sayı: 2, 171 - 178, 27.06.2018
https://doi.org/10.20289/zfdergi.340262

Öz

Bu
çalışmada, zeytinyağlarının acılık indeksi (K225) değeri üzerine
yetiştirilme bölgelerinin etkisi incelenmiştir. 
Bu amaçla, 2014/2015 hasat yılında Güney Marmara, Güney ve Kuzey Ege ile
Batı ve Doğu Akdeniz Bölgelerinde yetişen zeytinlerden (Ayvalık, Memecik,
Gemlik, Beylik, Edincik Su, Girit, Kilis Yağlık, Sarı Ulak, Tavşan Yüreği,
Topak Aşı) iki, iki buçuk ve üç fazlı ekstraksiyon sistemi elde edilen, toplam
41 zeytinyağı örneği toplanmıştır. Çalışmafda toplam fenol içeriği ve acılık
indeksi analizleri yapılmıştır. Acılık bileşenlerinin ekstraksiyonu için katı
faz ekstraksiyon sistemi uygulanmıştır. Toplam fenol içeriği ve acılık indeksi
(K225) değeri sonuçlarına bakıldığında, Batı Akdeniz Bölgesindeki
Manavgat ilçesinden iki buçuk faz ekstraksiyon sistemi ile elde edilen Beylik
zeytinyağının 330.26 mg CAE kg-1 yağ ile en yüksek toplam fenol ve
1.21 ile en yüksek acılık indeksi değerini gösterdiği tespit edilmiştir. Beylik
çeşidinden sonra, en yüksek toplam fenol içeriği 291.03 mg CAE kg-1 yağ
ile Ayvalık ve 270.62 mg CAE kg-1 yağ ile Edincik Su zeytinyağında tespit
edilmiştir. İki fazlı ekstraksiyon sistemin ile Güney Ege’de Muğla’dan elde
edilen Memecik ve Kuzey Ege'de Burhaniye’den elde edilen Ayvalık zeytinyağlarının
acılık indeksleri değerleri sırasıyla 0.86 ve 0.85 olarak tespit edilmiştir.

Kaynakça

  • Aguilera,P. M., Beltran, G., Ortega, D., Fernandez, A., Jimenez, A., Uceda, M. 2005. Characterisation of virgin olive oil of Italian olive cultivars: ‘Frantoio’ and ‘Leccino’, grown in Andalusia. Food Chem. 89: 387-391.
  • Condelli, N., Carusa, M.C., Galgano, F., Russo, D., Milella, L., Favati, F. 2015. Prediction of the antioxidant activity of extra virgin olive oils produced in the Mediterranean area. Food Chem., 177: 233-239.
  • Escuderos, M.E., Alcantara, F., Garcia Mesa, J.A. 2014. Evaluation of virgin olive oil bitterness by multivariate analysis of ultraviolet spectra of the phenolic extract. 12th Euro Fed Lipid Congress Oils, Fats and Lipids: From Lipidomics to Industrial Innovation 14-17 September 2014 Montpellier France, 463.
  • Favati, F., Condelli, N., Galgano, F., Caruso, M.C. 2013. Extra virgin olive oil bitterness evaluation by sensory and chemical analyses. Food Chem. 139: 949-954.
  • Gutfinger, T. 1981. Polyphenols in olive oils. Journal of American Oil Chemists Society, 58, 966-968.
  • Gutierrez R., F., Perdiguero, S., Gutierrez, R., Olias J.M. 1992. Evaluation of bitter test of virgin olive oil. J Am Oil Chem Soc. 69: 394-395
  • Hrncirik, K., & Fritsche, S. 2004. Comparability and reliability of different techniques for the determination of phenolic compounds in virgin olive oil. European Journal of Lipid Science and Technology, 106, 540-549.
  • Ilyasoglu, H., Ozcelik, B., Van hoed, V. , Verhe, R. 2010. Characterization of Aegean olive oils by their minör compounds. Eur J Lipid Sci Technol. 87: 627-636.
  • Inarejos-Garcia, A.M., Gomez-Rico, A., Desamparados Salvador, M., Fregapane, G. 2009. Influence of malaxation conditions on virgin olive oil yield, overall quality and composition. Eur Food Res Technol., 228. 671-677
  • Koseoglu, O. , Unal, M.K. (2008): The effect of phenolic compounds on the quality and stability of virgin olive oil. Acta Hortic . 79:655-663.
  • Köseoğlu, O., Sevim D., Kadiroğlu, P. 2016. Quality characteristics and antioxidant properties of turkish monovarietal olive oils regarding stages of olive ripening, Food Chemistry, 212, 628-634.
  • Morello, J.R., Romero M.P., Moltiva M.J. 2004. Effect of maturation process of the olive fruit on the phenolic fraction of drupes and oils from Arbequina, Farga, and Morrut cultivars. J Agric Food Chem. 52: 6002-6009.
  • Rotondi, A., Alfei, B., Magli, M., Pannelli, G.2010. Influence of genetic matrix and crop year on chemical and sensory profiles of Italian monovarietal extra-virgin olive oils. J Sci Food Agric. 90: 2641-2648.
  • Sevim, D., Tucay, O., Koseoglu, O. 2013. The effect of olive leaf addition on antioxidant content and antioxidant activity of “Memecik“ oliveoils at two maturity stages. J Am Oil Chem Soc. 90: 1359-1369.
  • Skevin, D., Rade, D., Strucelj, D., Mokrovcak, Z., Nederal, S., Bencic, D. 2003. The influence of variety and harvest time on the bitterness and phenolic compounds of olive oil. Eur J Lipid Sci Technol . 105: 536-541.
  • Visioli, F. , Galli C., 1998. The effect of minör constituents of olive oil on cardiovascular diseased:new findings. Nutr. Rev. 56: 142-147.
Toplam 16 adet kaynakça vardır.

Ayrıntılar

Birincil Dil İngilizce
Konular Mühendislik
Bölüm Makaleler
Yazarlar

Didar Sevim

Oya Köseoğlu Bu kişi benim

Mehmet Ulaş

Durmuş Özdemir

Yayımlanma Tarihi 27 Haziran 2018
Gönderilme Tarihi 28 Eylül 2017
Kabul Tarihi 20 Aralık 2017
Yayımlandığı Sayı Yıl 2018 Cilt: 55 Sayı: 2

Kaynak Göster

APA Sevim, D., Köseoğlu, O., Ulaş, M., Özdemir, D. (2018). Determination Of Bitterness Index (K225) And Total Fenol Content Of Olive Oils Obtained With Different Regions, Varieties And Processing Systems. Ege Üniversitesi Ziraat Fakültesi Dergisi, 55(2), 171-178. https://doi.org/10.20289/zfdergi.340262

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