PEER-REVIEWED PUBLICATIONS:

Rice, B., J. Kraft, F. Destaillats, D. E. Bauman, and A. L. Lock. 2009. Ruminant-produced trans-fatty acids raise plasma total and small high-density lipoprotein particle concentrations in male Hartley guinea pigs. J. Nutr. Biochem. (in press).

Lock, A. L., F. Destaillats, J. Kraft, and J. B German. 2008. Introduction to the Proceedings of the Symposium ‘Scientific Update on Dairy Fats and Cardiovascular Disease’. J. Am. Coll. Nutr. 27: 720S-722S.

Kraft, J., J. K. G. Kramer, F. Schoene, J. R. Chambers, and G. Jahreis. 2008. Extensive analysis of long-chain polyunsaturated fatty acids, CLA, trans-18:1 isomers, and plasmalogenic lipids in different retail beef types. J. Agric. Food Chem. 56: 4775-4782.

Kramer, J. K. G., M. R. Hernandez, C. Cruz-Hernandez, J. Kraft and M. E. R. Dugan. 2008. Combining results of two GC separations partly achieves determination of all cis and trans 16:1, 18:1, 18:2, 18:3 and CLA isomers of milk fat as demonstrated using Ag-ion SPE fractionation. Lipids 43: 259-273.

Kuhnt, K., J. Kraft, H. Vogelsang, K. Eder, J. Kratzsch and G. Jahreis. 2007. Dietary supplementation with trans-11- and trans-12-18:1 increases cis-9,trans-11-conjugated linoleic acid in human immune cells, but without effects on biomarkers of immune function and inflammation. Br. J. Nutr. 97: 1196-1205.

Kuhnt, K., A. Wagner, J. Kraft, S. Basu and G. Jahreis. 2007 Dietary supplementation with 11trans- and 12trans-18:1 and oxidative stress in humans. Am. J. Clin. Nutr. 84: 981-988.

Kraft, J., Hanske, L., Möckel, P., Zimmermann, S., Härtl, A., Kramer, J. K. G. and Jahreis, G. 2006. The conversion efficiency of trans-11 and trans-12 18:1 by delta9-desaturation differs in rats. J. Nutr. 136: 1209-1214.

Kuhnt, K., J. Kraft, P. Moeckel and G. Jahreis. 2006. Trans-11-18 : 1 is effectively Delta 9-desaturated compared with trans-12-18 : 1 in humans. Br. J. Nutr. 95: 752-761.

Kraft, J., M. Collomb, P. Möckel,  R. Sieber and G. Jahreis 2003. Differences in CLA isomer distribution of cow’s milk lipids. Lipids 38: 657-664.

Hoschek, L., J. Kraft and G. Jahreis. 2003. Conjugated linoleic acids, their synthesis from precursors and their effects - review. Nutrition 27: 501-511.

Einspanier, R., A. Klotz A, J. Kraft, K. Aulrich, R. Poser, F. Schwagele, G. Jahreis and G. Flachowsky. 2001. The fate of forage plant DNA in farm animals: a collaborative case-study investigating cattle and chicken fed recombinant plant material. Eur. Food Res. Technol. 212: 129-134.

Jahreis, G., J. Kraft, F. Tischendorf, F. Schone and C. von Loeffelholz. 2000. Conjugated linoleic acids: Physiological effects in animal and man with special regard to body composition. Eur. J. Lipid Sci. Technol. 102: 695-703.

Kraft, J., P. Lebzien, G. Flachowsky, P. Möckel and G. Jahreis. 2000. Duodenal infusion of conjugated linoleic acid mixture influences milk fat synthesis and milk CLA content in dairy cows. Brit. Soc. Anim. Sci. 25: 143-147.

INVITED BOOK CHAPTERS:

Lock, A. L., J. Kraft, B. H. Rice, and D. E. Bauman. 2009. Biosynthesis and biological activity of rumenic acid: a natural CLA isomer. In: Trans Fatty Acid in Human Nutrition, pp. 195-230 [Destaillats, F., Sébédio J. L., Dionisi, F., and Chardigny, J. M. ( eds.)], 2nd ed., The Oily Press, Bridgewater, UK.

Cruz-Hernandez, C., J. K. G. Kramer, J. Kraft, V. Santercole, M. Or-Rashid, Z. Deng, M. E. R. Dugan, P. Delmonte, and M. P. Yurawecz. 2006. Systematic analysis of trans and conjugated linoleic acids in the milk and meat of ruminants. In: Advances in Conjugated Linoleic Acid Research, pp. 45-93 [Yurawecz, M. P., Kramer, J. K. G., Gudmundsen, O., Pariza, M. W., and Banni, S. (eds.)]. 3rd ed., AOCS Publishing, Champaign, IL.

Jahreis, G., J. Fritsche, and J. Kraft. 1999. Species-dependent, seasonal and dietary variation of CLA in milk. In: Advances in Conjugated Linoleic Acid Research, pp. 215-225 [Yurawecz MP, Mossoba MM, Kramer JKG, Pariza MW, Nelson GJ (eds.)]. 1st ed., AOCS Publishing, Champaign, IL.

 
CONFERENCE PAPERS:

Kraft, J., C. Preseault, B. Rice, and A. Lock. 2010. Partially hydrogenated vegetable oils from different sources have divergent effects on lipoprotein metabolism in male F1B hamsters. FASEB J. 24: 336.6.

Lock, A. L., J. Kraft, A. O’Donnell, and D. E. Bauman. 2009. Invited Presentation: Effect of farm production practices on ruminant-derived foods: fatty acid profile, product quality and human health outcomes. J. Dairy Sci. Vol. 92, E-Suppl. 1, p. 638.

Preseault, C. L., J. Kraft, H. M. Dann, and A. L. Lock. 2009. Method development and preliminary evaluation of the potential for using erythrocyte membranes in the assessment of long-chain polyunsaturated fatty acid status in dairy cows. J. Dairy Sci. Vol. 92, E-Suppl. 1, p. 74 .

Preseault, C. L., J. Kraft, G. R. Bowman, H. M. Dann, and A. L. Lock. 2009. The impact of a blend of synthetic antioxidants (AGRADO^® Plus) on milk fatty acids in dairy cows fed a high rumen unsaturated fatty acid load (RUFAL) diet. J. Dairy Sci. Vol. 92, E-Suppl. 1, p. 291 .

Gloviczki, J. M., J. Kraft, A. L. Lock, J. F. Trott, and R. C. Hovey. 2009. Effects of conjugated linoleic acid isomers on mammary gland development in BALB/cJ mice. J. Dairy Sci. Vol. 92, E-Suppl. 1, p. 135.

Kraft, J., A. M. Salter, S. C. Langley-Evans and A. L. Lock. 2009. The impact of milk fat-derived bioactive fatty acids on the fetal programming of atherosclerosis. USDA-CSREES National Research Initiative Project Directors Workshop, Institute of Food Technologists Annual Meeting, Anaheim, CA, June 2009.

Kraft, J., M. Michel, D. Plonne, K. Almendingen, and G. Jahreis. 2008. Effects of partially-hydrogenated fish oil on lipid and lipoprotein metabolism in guinea pigs. FASEB J. 22: 948.11.

Kraft, J., K. Kuhnt, J. K. G. Kramer and G. Jahreis. 2007. Verification of endogenously synthesized 9c,11t 18:2 in lipoprotein fractions in humans after a 6-wk supplementation of VA. II International Congress on Conjugated Linoleic Acid (CLA): From experimental models to human application. Villasimius, Italy. Conf. p. 61.

Jahreis, G., U. Meyer, J. Kraft and G. Flachowsky. 2007. Effect of a commercial CLA supplement for dairy cows on fatty acid distribution in serum, liver, and milk lipids. II International Congress on Conjugated Linoleic Acid (CLA): From experimental models to human application. Villasimius, Italy. Conf. p. 66.

Degen, C., K. Kuhnt, J. Kraft and G. Jahreis. 2007. Effects of various CLA-Isomers on viability, proliferation and lipid metabolism in breast epithelial cells. II International Congress on Conjugated Linoleic Acid (CLA): From experimental models to human application. Villasimius, Italy. Conf. p. 91.

Kuhnt, K., A. Wagner, S. Basu, J. Kraft and G. Jahreis. 2006. Dietary supplementation with t11 and t12 C18:1 and oxidative stress in humans. “Novel aspects of fatty acids (NAFA)” Congress, Ystad, Schweden. Conf. pp. 149-150.

Kraft, J., P. Möckel, J. K. G. Kramer and G. Jahreis. 2006. Trans-18:1 profile in food and the potential physiological relevance. 4th Euro Fed Lipid Congress. Madrid/Spain. Conf. pp. 7.

Kraft, J., L. Hoschek, G. Jahreis and J.K.G. Kramer. 2005. Comparative conversion of c11-, t11-, c12-and t12-C18:1 to C18:2 fatty acids in different tissues of the animal model rat. 26. World Congress and Exhibition of ISF, Praque, Czech Republic. Conf. p. 162.

Kraft, J., K. Kuhnt, P. Möckel and G. Jahreis 2005. Trans-11-18:1 is effectively Δ9-desaturated compared with trans-12-18:1 in humans. 10. Symposium "Vitamins and Additives in human and animal nutrition", Jena, Germany. Conf. pp. 137-141.

Kraft, J., K. Kuhnt, and G. Jahreis. 2004. Conversion of vaccenic acid into conjugated linoleic acids(CLA) - Results of an intervention study in humans. 3. Euro Fed Lipid Congress, Edinburgh, Scottland. Conf. p. 59.

Kuhnt, K., J. Kraft and G. Jahreis. 2004. Conversion of trans-Vaccenic acid into conjugated linoleic acid (CLA). Symposium: Lipids in meat, milk and egg. ETH Zürich, Switzerland Conf. pp.  142-145.

Kraft, J. and G. Jahreis. 2004. Physiological effects of conjugated linoleic acids. Symposium: Lipids in meat, milk and egg. ETH Zürich, Switzerland, Conf. pp.  81-93.

Kraft, J., G. Kießling, P. Möckel and Jahreis. 2003. Absorption of conjugated linoleic acids in humans. 9. Symposium "Vitamins and Additives in human and animal nutrition", Jena, Germany. Conf. pp. 103-107.

Kuhnt, K., J. Kraft, H. Vogelsang and G. Jahreis. 2003 Influence of a vaccenic acid mixture on serum lipids and immunological parameters in humans. 9. Symposium "Vitamins and Additives in human and animal nutrition", Jena, Germany. Conf. pp.  484-488.

Kraft, J., L. Hoschek, P. Möckel, S. Zimmermann, A. Härtel, and G. Jahreis. 2003. Effect of dietary vaccenic acid on fatty acid metabolism in rats. 9. Symposium "Vitamins and Additives in human and animal nutrition", Jena, Germany. Conf. pp. 258-263.

Kraft, J., G. Myhaylova, P. Möckel, G. Jahreis. 2003. Fatty acid distribution in Bulgarian sheep milk with special regard to the CLA isomer distribution. Milk conference of the German Society of Milk Science, Osnabrück, Germany. Conf. p. 31.

Ärölä, A., J.Kraft, V. Tolvonen, P. Peräjoki, K. Nurmela, D. E. Bauman and J. M. Griinari. 2002. Milk fat depression is associated with previously unidentified change in CLA profile in bovine milk fat. 93. AOCS Annual Meeting and Expo, Montreal, Canada., S1.

Kraft, J., P. Möckel, F. Tischendorf and G. Jahreis. 2002. Comparative analysis about content of CLA and CLA isomer distribution in milk lipids. 39. Scientific Congress of the German Society of Nutrition, Jena, Germany. Conf. pp. 68-74.

Kraft, J., J. M. Griinari, P. Möckel and G. Jahreis. 2001. Effects of CLA calcium salts on CLA content in milk lipids. 8. Symposium "Vitamins and Additives in human and animal nutrition", Jena, Germany. Conf. pp. 273-276.

Kraft, J., J. M. Griinari, P. Möckel and G. Jahreis. 2001. Variation of the CLA content and CLA isomer distribution in milk lipids. 26. Milk conference of the German Society of Milk Science, Berlin, Germany. Conf. pp. 89-92.

Kraft, J., G. Flachowsky and G. Jahreis. 2000. Ag+-HPLC of various CLA isomers of milk fat before and after application of a CLA mixture. 54. Congress of the German Society of Lipid Research, Würzburg, Germany. Conf. p. 65.

Kraft, J., P. Lebzien, G. Flachowsky and G. Jahreis. 2000. Milk composition, conjugated linoleic acid and trans fatty acids of milk fat after duodenal infusion of a CLA supplement. 54. Congress of the Nutritional Physiology, Society, Göttingen, Germany. Conf. p. 120-124.

Kraft, J., P. Lebzien, G. Flachowsky and G. Jahreis. 1999. Milk composition, conjugated linoleic acids and trans fatty acids of milk fat after duodenal infusion of a CLA supplement. 4. Meeting of concerted action group on biosynthesis of CLA, Fermoy, Cork, Irland. Conf. pp. 37-39.

Jahreis, G., J. Kraft, F. Tischendorf, F. Schöne, C. v Loeffelholz. 1999. Conjugated linoleic acid mixtures as potential additives. 7. Symposium "Vitamins and Additives in human and animal nutrition", Jena, Germany. Conf. pp. 176-178.

Kraft, J., G. Flachowsky, P. Möckel and G. Jahreis. 1999. Duodenal infusion of conjugated linoleic acid mixture influences milk-fat synthesis and milk-CLA content in dairy cows. BSAS Occasional Meeting, Milk Composition, Belfast, Ireland. Conf. pp. 58-59.