Yeni Bir Adsorban Karışımının Kızartma Yağını Yenileme Kapasitesi

Bu çalışmanın amacı Diatome Toprağı, Doğal Zeolit ve Sönmüş Kireçten oluşan yeni bir adsorban karışımının kızartma yağlarını yenileme kapasitesinin ölçülmesi ve ticari bir adsorban olan Magnesol XL ile karşılaştırılmasıdır. Yeni karışımdaki her bir adsorban madde önce tek başlarına analiz edilmiş ve daha sonra 1:1:1 (ağırlıkça) karışımı seçilmiştir. Yeni adsorbanın yağda %10'luk katım seviyesindeyken, viskozite, bulanıklık, serbest asitlik, peroksit sayısı, konjuge dienler ve toplam polar maddede sırasıyla %8.1, 18.9, 58.2, 39.7, 21.7 ve 18.0'lık iyileştirme sağladığı bulunmuştur. Aynı katım seviyesinde, Magnesol XL ise sırasıyla viskozitede (%1.2), bulanıklıkta (%65.2), serbest asitlikte (%56.3) ve peroksit sayısı değerinde (%16.4) iyileştirme sağlayabilmiştir. Sonuç olarak yeni adsorban madde karışımının kızartma yağlarının yenilenmesi için ümitvar olduğu değerlendirilmiştir.

Frying Oil Refreshing Capacity of a New Adsorbent Mixture

The aim of this study was to evaluate frying oil refreshing capacity of a new adsorbent mixture composed of diatomaceous earth, natural zeolite and lime, and to compare it with a commercial adsorbent, Magnesol XL. Each adsorbent constitutive was individually tested first, and then a 1:1:1 (w/w/w) mixture was used to refresh frying oils at various levels. The new mixture at 10% addition level had around 8.1, 18.9, 58.2, 39.7, 21.7, and 18.0% improvements in viscosity, turbidity, free acidity, peroxide value, conjugated diens and total polar materials, respectively. At this level, Magnesol XL had improvements in viscosity (1.2%), turbidity (65.2%), free acidity (56.3%), and peroxide value (16.4%). In conclusion, the new mixture can be a promising adsorbent material for frying oil recovery.

___

  • [1] Rossell J.B., 2001. Frying - Improving Quality. London, UK: Woodhead Publishing Limited.
  • [2] Paul S., Mittal G.S., 1997. Regulating the use of degraded oil/fat in deep-fat/oil food frying. Crit. Rev. Food Sci. Nutr. 37(7): 635-662.
  • [3] Boki K., Shinoda S., Ohno S., 1989. Effects of filtering through bleaching media on decrease of peroxide value of autoxidized soybean fat. J. Food Sci. 54: 1601-1603.
  • [4] Stevenson S.G., Vaisey-Genser M., Eskin N.A.M., 1984. Quality control in the use of deep frying oils. J Am. Oil Chem. Soc. 61: 1102-1108.
  • [5] Chinnan M.S., Bheemreddy R.M., Pannu K.S., Reynolds A.E., 2002. Filtration and filter system for treated frying oil. J. Food Proc. Eng. 25: 23-40.
  • [6] Singhal R.S., Bhattacharya A.B., Sajilata M.G., Tiwari R.S., 2008. Regeneration of thermally polymerized frying oils with adsorbents. Food Chem. 110: 562-570.
  • [7] AOCS, 1998a. AOCS-Methods Cc 9a-48, Smoke, Flash, and Fire Point-Cleveland Open Cup Method. Champaign, IL: Official Methods and Recommended Practices of the American Oil Chemists' Society (5th ed).
  • [8] AOCS, 1998b. AOCS-Methods Ca 5a-40, Free Fatty Acids. Champaign, IL: Official Methods and Recommended Practices of the American Oil Chemists' Society (5th ed).
  • [9] AOCS, 1998c. AOCS-Methods Cd 8-53, Peroxide Value: Acetic Acid-Chloroform Method. Champaign, IL: Official Methods and Recommended Practices of the American Oil Chemists' Society (5th ed).
  • [10] AOCS, 1998d. AOCS-Methods Ti 1a-64, Spectrophotometric Determination of Conjugated Dienoic Acid. Champaign, IL: Official Methods and Recommended Practices of the American Oil Chemists' Society (5th ed).
  • [11] Minitab, 2000. Minitab Statistical Software, Release 14.1, USA.
  • [12] SPSS, 1994. SPSS Professional Statistics 10.1. Chicago, US: SPSS Inc.
  • [13] Reynolds A.E., Bheemreddy R.M., Pannu K.S., Chinnan M.S., 2002. Active treatment of frying oil for enhanced fry-life. J. Food Sci. 67: 1478-1484.
  • [14] Farag R.S., Al-Anany A.M., 2006. Improving the quality of fried oils by using different filter aids. J. Sci. Food Agric. 86: 2228-2240.
  • [15] Phogat S.S., Mittal G.S., Kakuda Y., 2006. Comparative evaluation of regenerative capacity of different adsorbents and filters for degraded frying oil. Food Sci. Technol. Int. 12: 145-157.
  • [16] Maskan M., Bacı H.., 2003. The recovery of used sunflower seed oil utilized in repeated deep-fat frying process. Eur. Food Res. Technol. 218(1): 26- 31.
  • [17] Mittal G.S., Paul S., 1996. Dynamics of fat/oil degradation during frying based on optical properties. J. Food Eng. 30: 389-403.
  • [18] Akoh C.C., Lin S., Reynolds A.E., 2001. Recovery of used frying oils with adsorbent combinations: refrying and frequent oil replenishment. Food Res. Int. 34: 159-166.
  • [19] Turkish Food Codex 2007/41: Official Notification of the Control Criteria of Frying Fats/Oils, Turkey, 2007.
  • [20] Anonymous, 2009. Natural zeolite. http://en.wikipedia.org/wiki/Natural zeolite (accessed 24.08.2009).