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Food Science & Technology: Personnel

Casimir C. Akoh

Dr. Casimir C. Akoh

Distinguished Research Professor

B.S., University of Nigeria
M.S., Washington State University
Ph.D., Washington State University

Department of Food Science & Technology
University of Georgia
Athens, GA 30602-7610

Phone: (706) 542-1067
Email: cakoh@uga.edu

Website: LBCAP Laboratory

Akoh photo

 

 

Description of Research Interests

Food Chemistry: Lipid biotechnology/chemistry/biochemistry. We work on the chemical and enzymatic modification of lipids, including the production of structured lipids and various fat analogs. We then study chemical, physical and physiological properties of modified lipids and their food applications.  We design fat analogs for use in infant formula, trans-free margarines, trans-free spreads, trans-free shortenings, cosmetics, nutraceuticals, or as food ingredients.  We also isolate, characterize, and assess the antioxidant capacities of phytochemicals.

Courses Taught

FDST 6500/8500: Graduate Seminars
FDST 8010: Food Lipids
FDST 8100: Food Carbohydrates

Selected Recent Publications

Pande, G., Sabir, J.S.M., Baeshen, N.A. and Akoh, C.C. 2013. Enzymatic synthesis of extra virgin olive oil based infant formula fat analogues containing ARA and DHA: one-stage and two-stage syntheses. J. Agric. Food Chem. 61:10590-10598.

Pande, G. and Akoh, C.C. 2013. Enzymatic synthesis of trans-free structured margarine fat analogues with high stearate soybean oil and palm stearin and their characterization LWT-Food Sci. Technol. 50:232-239.

Turan, D., Yesilcubuk, N.S., and Akoh, C.C. 2013. Enrichment of sn-2 position of hazelnut oil with palmitic acid: optimization by response surface methodology. LWT-Food Sci. Technol. 50:766-772.

Pande, G., Akoh, C. C., and Shewfelt, R. L. 2013. Utilization of enzymatically interesterified cottonseed oil and palm strearin-based structured lipid in the production of trans-free margarine. Biocat. Agric. Biotechnol. 2:76-84.

Jeon, H, Kim, I.H., Lee, C., Choi, H.D., Kim, B.H., and Akoh, C.C. 2013. Discrimination of origin of sesame oils using fatty acid and lignin profiles in combination with canonical discriminant analysis. J. Am. Oil Chem. Soc. 90:337-347.

Ifeduba, E.A., Awachie, M.N., Sabir, J.S.M., and Akoh, C.C. 2013. Fatty acid composition of Irvingia gabonensis and Treculia africana seed lipids and phospholipids. J. Am. Oil Chem. Soc. 90:517-528.

Nagachinta, S. and Akoh, C.C. 2013. Production and characterization of DHA and GLA-enriched structured lipid from palm olein for infant formula use. J. Am. Oil Chem. Soc. 90:1141-1149.

Zou, L. and Akoh, C.C. 2013. Identification of tocopherols and tocotrienols, and their fatty acid esters in residues and distillates of structured lipids purified by short path distillation. J. Agric. Food Chem. 61:238-246.

Pande, G. and Akoh, C.C. 2013. Enzymatic modification of lipids for trans-free margarine. Lipid Technol. 25:31-33.

Zou, L. and Akoh, C.C. 2013. Characterisation and optimisation of physical and oxidative stability of structured lipid-based infant formula emulsion: effects of emulsifiers and biopolymer thickeners. Food Chem. 141:2486-2494.

Ifeduba, E.A. and Akoh, C.C. 2013. Chemoenzymatic method for producing stearidonic acid concentrates from stearidonic acid soybean oil. J. Am. Oil Chem. Soc. 90:1011-1022.

Liu, M., Yang, F., Shi, H., Akoh, C.C. and Yu, L. 2013. Preparative separation of triterpene alcohol ferulates from rice bran oil using high performance counter-current chromatography. Food Chem. 139:919-924.

Zhou, Q., Shi, H., Liu, J., Zhang, X., Gao, B., Lu, W., Akoh, C.C. and Yu, L. 2013. Identification and quantification of phytochemical composition, anti-inflammatory, cellular antioxidant and radical scavenging activities of twelve Plantago species. J. Agric. Food Chem. 61:6693-6702.

Nagachinta, S. and Akoh, C.C. 2013. Synthesis and incorporation of structured lipid enriched with omega fatty acids and sn-2 palmitic acid in powdered infant formula. J. Agric. Food Chem. 61:4455-4463.

Pande, G., Sabir, J.S.M., Baeshen, N.A. and Akoh, C.C. 2013. Synthesis of infant formula fat analogs enriched with DHA from extra virgin olive oil and tripalmitin. J. Am. Oil Chem. Soc. 90:1311-1318.

Nagachinta, S. and Akoh, C.C. 2013. Spray-dried structured lipid containing long-chain polyunsaturated fatty acids for use in infant formulas. J. Food Sci. 78:C15223-C1528.

Vazquez, L. and Akoh, C.C. 2012. Enrichment of stearidonic acid in modified soybean oil by low temperature crystallisation. Food Chem. 130:147-155.

Nagachinta, S. and Akoh, C.C. 2012. Enrichment of palm olein with long chain polyunsaturated fatty acids by enzymatic acidolysis. LWT-Food Sci. Technol. 46:29-35.

Decker, E.A., Akoh, C.C., and Wilkes R.S. 2012. Incorporation of (n-3) fatty acids in foods: challenges and opportunities. J. Nutr. 142:610S-613S.

Deckelbaum, R.J., Calder, P.C., Harris, W.S., Akoh, C.C., Maki, K.C., Whelan, J., Banz, W.J., and Kennedy, E. 2012. Conclusions and recommendations from the symposium, heart healthy omega-3s for food: stearidonic acid (SDA) as a sustainable choice. J. Nutr. 142:641S-643S.

Kleiner-Shuhler, L., Vazquez, L., and Akoh, C.C. 2012. Increasing stearidonic acid (SDA) in modified soybean oil by lipase-mediated acidolysis. J. Am. Oil Chem. Soc. 89:1267-1275.

Rajasekar, D., Akoh, C.C., Martino, K.G., and MacLean, D.D. 2012. Physico-chemical characteristics of juice extracted by blender and mechanical press from pomegranate cultivars grown in Georgia. Food Chem. 133:1383-1393.

Pande, G. and Akoh, C.C. 2012. Enzymatic synthesis of trans-free structured margarine fat analogues using stearidonic acid soybean and high stearate soybean oils. J. Am. Oil Chem. Soc. 89:1473-1484.

Pande, G. and Akoh, C.C. 2012. Structured lipids in nutraceutical formulations. Inform 23:50-64.

Vazquez, L., Kleiner, L., and Akoh, C.C. 2012. Concentration of stearidonic acid in free fatty acids form from modified soybean oil by selective esterification with dodecanol. J. Am. Oil Chem. Soc. 89:1655-1662.

Turan, D., Yesilcubuk, N.S., and Akoh, C.C. 2012. Production of human milk fat analogue containing docosahexaenoic and arachidonic acids. J. Agric. Food Chem. 60:4402-4407.

Kleiner, L., Vazquez, L., and Akoh, C.C. 2012. Lipase-catalyzed concentration of stearidonic acid in modified soybean oil by partial hydrolysis. J. Am. Oil Chem. Soc. 89:1999-2010.

Akoh, C.C. 2012. Biocatalysis: modifying lipids to advance food industry and human health. Inform 445-449.

Pande, G., Akoh, C. C., and Shewfelt, R. L. 2012. Production of trans-free margarine with stearidonic acid soybean and high stearate soybean oils-based structured lipid. J. Food Sci. C1203-1210.

Kleiner-Shuhler, L., Vazquez, L., and Akoh, C.C. 2011. Purification of stearidonic acid from modified soybean oil by argentation silica gel column chromatography. J. Am. Oil Chem. Soc. 88:1161-1171.

Teichert, S.A. and Akoh, C.C. 2011. Stearidonic acid soybean oil enriched with palmitic acid at the sn-2 position by enzymatic interesterification for use as human milk fat analogues. J. Agric. Food Chem. 59:5692-5701.

Vazquez, L. and Akoh, C.C. 2011. Concentration of stearidonic acid in free fatty acid and ethyl ester forms from modified soybean oil by winterization. J. Am. Oil Chem. Soc. 88:1775-1785.

Gold, I.L., Ukhun, M.E., and Akoh, C.C. 2011. Characterization of eutectic compositions of restructured palm olein, palm kernel oil and their mixtures. J. Am. Oil Chem. Soc. 88:1659-1667.

Teichert, S.A. and Akoh, C.C. 2011. Characterization of stearidonic acid soybean oil enriched with palmitic acid produced by solvent-free enzymatic interesterification. J. Agric. Food Chem. 59:9588-9595.

Teichert, S.A. and Akoh, C.C. 2011. Modifications of stearidonic acid soybean oil by enzymatic acidolysis for the production of human milk fat analogues. J Agric. Food Chem. 59:13300-

Pande, G. and Akoh, C.C. 2010. Organic acids, antioxidant capacity, phenolic content and lipid characterizaion of Georgia-grown underutilized fruit crops. Food Chem. 120:1067-1075.

Pina-Rodriguez, A.M. and Akoh, C.C. 2010. Composition and oxidative stability of a structured lipid from amaranth oil in a milk-based infant formula. J. Food Sci. 75:C140-146.

Jennings, B.H. and Akoh, C.C. 2010. Trans-free plastic shortenings prepared with palm stearin and rice bran oil structured lipid. J. Am. Oil Chem. Soc. 87:411-417.

Shin, J.A., Akoh, C.C. and Lee, K.T. 2010. Enzymatic interesterification of anhydrous butterfat with flaxseed oil and palm stearin to produce low –trans spreadable fat. Food Chem. 120:1-9.

Shin, J.A., Akoh, C.C., and Lee, K.T. 2010. Physicochemical properties of lipase-catalyzed interesterified fat containing α-linolenic acid. J. Am. Oil Chem. Soc.87:647-657.

Jennings, B.H., Shewfelt, R.L. and Akoh, C.C. 2010. Food applications of a rice bran oil structured lipid in fried sweet potato chips and an energy bar. J. Food Quality 33:679-692.

Vazquez, L. and Akoh, C.C. 2010. Fractionation of short and medium chain fatty acid ethyl esters from a blend of oils via ethanolysis and short-path distillation. J. Am. Oil Chem. Soc. 87:917-928.

Chou, H.H., Chang, S.W., Lee, G.C., Chen, Y.S., Yeh, T., Akoh, C.C. and Shaw, J.F. 2010. Site-directed mutagenesis improves the thermostability of a recombinant Picrophilus torridus trehalose synthase and efficiency for the production of trehalose from sweet potato starch. Food Chem. 119:1017-1022.

Adhikari, P., Zhu, X.M., Gautam, A., Shin, J.A., Hu, J.N., Lee, J.H., Akoh, C.C., and Lee. K.T. 2010. Scaled-up production of zero-trans margarine fat using pine nut oil and palm stearin. Food Chem. 119:1332-1338.

Lumor, S.E., Pina-Rodriguez, A.M., Shewfelt, R.L., and Akoh, C.C. 2010. Physical and sensory attributes of a trans-free spread formulated with a blend containing a structured lipid, palm mid-fraction, and cottonseed oil. J. Am. Oil Chem. Soc. 87:69-74.

Son, J.M., Lee, K.T., Akoh, C.C., Kim, M.R. Kim, M.J., and Lee, J.H. 2010. Optimization of tripalmitin- rich fractionation from palm stearin by response surface methodology. J. Sci. Food Agric. 90:1520-1526.

Adhikari, P., Shin, J.A., Lee, J.H., Hu, J.N., Zhu, X.M., Akoh, C.C., and Lee, K.T. 2010. Production of trans-free margarine stock by enzymatic interesterification of rice bran oil, palm stearin and coconut oil. J. Sci. Food Agric. 90:703-711.

Zhu, X.M., Hu, J.N., Shin, J.A., Li, D., Jin, J., Adhikari, P., Akoh, C.C., Lee, J.H., Choi, S.W., and Lee, K.T. 2010. Enrichment of pinolenic acid at the sn-2 position of triacylglycerol molecules through lipase-catalyzed reaction. Int. J. Food Sci. Nutr.  61:138-148.

Li, D., Adhikari, P., Shin, J.A., Lee, J.H., Kim, Y.J., Zhu, X.M., Hu, J.N., Jin, J., Akoh, C.C., and Lee, K.T. 2010. Lipase-catalyzed interesterification of high oleic sunflower oil and fully hydrogenated soybean oil: comparison of batch and continuous reactor for production of zero trans shortening fats. LWT-Food Sci Technol. 43:458-464.

Lee, J.H., Son, J.M., Akoh, C.C., Kim, M.R., and Lee, K.T. 2010. Optimized synthesis of 1,3-dioleoyl-2-palmitoylglycerol rich triacylglycerol via interesterification catalyzed by a lipase from Thermomyces lanuginosus. New Biotechnol. 27:38-45.

Lee, G.C., Chepyshko, H., Chen, H.H., Chu, C.C., Chou, Y.F., Akoh, C.C., and Shaw, J.F. 2010. Genes and biochemical characterization of three novel chlorophyllase isozymes from Brassica oleracea. J Agric Food Chem. 58:8651-8657.

Kim, B.H., Akoh, C.C., and Lee, B.Y. 2010. The effects of high dietary lard on hypertension development in spontaneously hypertensive rats. J. Med. Food. 13:1263-1272.

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