Projects

Recovery of Value-Added Products Pertaining to Health and Food Uses from Citrus Processing Waste Appropriated (D)   Accession Number: 417990

Enhanced Utilization of Carbohydrates and Polysaccharides from Citrus Processing Waste Streams Appropriated (D)   Accession Number: 417988

Publications

Converting citrus waste to ethanol and other co-products - (Proceedings/Symposium) - (12-Sep-09)

Developments in ethanol production from citrus peel waste - (Peer Reviewed Journal)

Zhou, W., Widmer, W., Grohmann, K. 2008. Developments in ethanol production from citrus peel waste. Proceedings of Florida State Horticultural Society. 121:307-310.

Biosorption properties of citrus peel derived oligogalacturonides, enzyme-modified pectin and peel hydrolysis residues - (Peer Reviewed Journal)

Cameron, R.G., Luzio, G.A., Widmer, W.W., Iqbal, M. 2008. Biosorption properties of citrus peel derived oligogalacturonides, enzyme-modified pectin and peel hydrolysis residues. Proceedings of Florida State Horticultural Society. 121:311-314.

Nutrient composition and flavonoid content of orange fermentation residues - (Abstract)

Widmer, W.W. 2008. Nutrient composition and flavonoid content of orange fermentation residues. Subtropical Technology Conference Proceedings. 59:16.

Technical and economic assessments of ethanol production from citrus peel waste - (Abstract)

Zhou, W., Widmer, W., Grohmann, K. 2008. Technical and economic assessments of ethanol production from citrus peel waste. Florida State Horticultural Society Meeting. Paper No. HP22.

Biosorption properties of citrus peel derived oligogalacturonides, enzyme-modified pectin and peel hydrolysis residues - (Abstract)

Cameron, R.G., Luzio, G.A., Widmer, W.W. 2008. Biosorption properties of citrus peel derived oligogalacturonides, enzyme-modified pectin and peel hydrolysis residues. Florida State Horticultural Society Meeting. Paper No. HP23.

Further characterization of a furanocoumarin-free grapefruit juice drug disposition: Studies with cyclosporine - (Peer Reviewed Journal)

Paine, M.F., Widmer, W.W., Pusek, S.N., Beavers, K.L., Criss, A.B., Snyder, J., Watkins, P.B. 2008. Further characterization of a furanocoumarin-free grapefruit juice drug disposition: Studies with cyclosporine. American Journal of Clinical Nutrition. 87:863-871.

Economic analysis of ethanol production from citrus peel waste - (Peer Reviewed Journal)

Zhou, W., Widmer, W., Grohmann, K. 2007. Economic analysis of ethanol production from citrus peel waste. Proceedings of Florida State Horticultural Society. 120:310-315.

Simultaneous saccharification and fermentation of citrus peel waste by Saccharomyces cerevisiae to produce ethanol - (Peer Reviewed Journal)

Wilkins, M.R., Widmer, W.W., Grohmann, K. 2007. Simultaneous saccharification and fermentation of citrus peel waste by Saccharomyces cerevisiae to produce ethanol. Process Biochemistry. 42(12):1614-1619.

Economic analysis of ethanol production from citrus peel waste - (Abstract)

Zhou, W., Widmer, W.W. 2007. Economic analysis of ethanol production from citrus peel waste. Subtropical Technology Conference Proceedings. 58:17.

Ion binding capacity of enzyme modified citrus peel and pectin - (Abstract)

Cameron, R.G., Luzio, G.A., Widmer, W.W., Iqbal, M. 2007. Ion binding capacity of enzyme modified citrus peel and pectin. Subtropical Technology Conference Proceedings. 58:19.

Enzymatic Hydrolysis of Grapefruit Peel to Produce Ethanol and Other Products - (Proceedings/Symposium)

Wilkins, M.R., Widmer, W.W., Grohmann, K. 2007. Enzymatic hydrolysis of grapefruit peel to produce ethanol and other products. Proceedings of American Society of Agricultural Engineers [serial online]. Paper No. 057047. Available: http://asae.frymulti.com/request.asp?search=1&JID=5&AID=19664&CID=tfl2005&v=&i=&T=1

Economic analysis of ethanol production from citrus peel waste - (Abstract)

Zhou, W., Widmer, W., Grohmann, K. 2007. Economic analysis of ethanol production from citrus peel waste. Florida State Horticultural Society Meeting. Abstract No. HP22.

Ethanol from orange processing waste - (Abstract)

Widmer, W.W., Grohmann, K. 2007. Ethanol from orange processing waste. National Meeting of Institute of Food Technologists/Food Expo. Presentation No. 140-09.

The isolation of minor-occurring furanocoumarins in grapefruit and analysis of their inhibition of cyp 3a4 and p-glycoprotein transport of talinolol from caco-2 cells - (Peer Reviewed Journal)

Manthey, J.A., Myung, K., Mertens-Talcott, S., Derendorf, H., Butterweck, V., Widmer, W. 2006. The isolation of minor-occurring furanocoumarins in grapefruit and analysis of their inhibition of CYP 3A4 and p-glycoprotein transport of talinolol from caco-2 cells. Proceedings of Florida State Horticultural Society. 119:361-366.

Analysis of polymethoxylated flavones in citrus products by direct injection and in-line trace enrichment - (Abstract)

Widmer, W.W. 2006. Analysis of polymethoxylated flavones in citrus products by direct injection and in-line trace enrichment. Subtropical Technology Conference Proceedings. 57:22-23.

Effect of D-Limonene on the Fermentation of Citrus Peel Waste - (Proceedings/Symposium)

Wilkins, M.R., Grohmann, K., Widmer, W.W. 2006. Effect of d-limonene on the fermentation of citrus peel waste. Proceedings of the American Society of Agricultural and Biological Engineers International (ASABE)[serial online]. Paper No. 067007. Availble: http://asae.frymulti.com/request.asp?search=1&JID=5&AID=21005&CID=por2006&v=&i=&T=1

Hydrolysis of Grapefruit Peel Waste with Cellulase and Pectinase Enzymes - (Peer Reviewed Journal)

Wilkins, M.R., Widmer, W.W., Grohmann, K., Cameron, R.G. 2006. Hydrolysis of grapefruit peel waste with cellulase and pectinase enzymes. Bioresource Technology. 98:1596-1601.

A ¿furanocoumarin-Free¿ Grapefruit Juice Establishes Furanocoumarins As the Mediators of the Grapefruit Juice-Felodipine Juice Interaction - (Peer Reviewed Journal)

Paine, M.F., Widmer, W.W., Pusek, S.N., Beavers, K.L., Criss, A.B., Brown, S.S., Thomas, B.F., Watkins, P.B. 2006. A "furanocoumarin-free" grapefruit juice establishes furanocoumarins as the mediators of the grapefruit juice-felodipine interaction. American Journal of Clinical Nutrition. 83:1097-1105.

Effect of Seasonal Variation on Enzymatic Hydrolysis of Valencia Orange Peel - (Peer Reviewed Journal)

Wilkins, M.R., Widmer, W.W., Cameron, R.G., Grohmann, K. 2006. Effect of seasonal variation on enzymatic hydrolysis of Valencia orange peel. Proceedings of Florida State Horticultural Society. 118:419-422.

Healthy Products from Citrus Juice Processing Waste Streams - (Abstract)

Widmer, W.W., Manthey, J.A., Cameron, R.G. 2006. Healthy products from citrus juice processing waste streams. American Chemical Society National Meeting. Paper No. AGFD18.

Citrus Waste to Ethanol and Other Byproducts: An Update - (Abstract)

Widmer, W.W., Wilkins, M.R., Grohmann, K. 2005. Citrus waste to ethanol and other byproducts: an update. Subtropical Technology Conference Proceedings. 56:15.

In Vitro Determination of the Prebiotic Properties of Oligosaccharides Derived from An Orange Juice Manufacture Byproduct Stream - (Peer Reviewed Journal)

Manderson, K., Pinart, M., Tuohy, K.M., Grace, W.E., Hotchkiss, A.T., Widmer, W.W., Yadav, M.P., Gibson, G.R., Rastall, R.A. 2005. In vitro determination of the prebiotic properties of oligosaccharides derived from an orange juice manufacture byproduct stream. Applied and Environmental Microbiology. 71:8383-8389.

Furanocoumarin Variation in Four Grapefruit Varieties with Respect to Maturity - (Abstract)

Widmer, W.W., Stinson, W., Dou, H., Haun, C. 2005. Furanocoumarin variation in four grapefruit varieties with respect to maturity. National Meeting of Institute of Food Technologists/Food Expo. Paper No. 104-5.

Tangerine/grapefruit Hybrids (Tangelos) Do Not Have Furanocoumarins Associated with Grapefruit/drug Interactions - (Peer Reviewed Journal)

Widmer, W.W. 2005. Tangerine/grapefruit hybrids (tangelos) do not have furanocoumarins associated with grapefruit/drug interactions. Journal of Food Science. 70(4):C307-C312.

Effect of Seasonal Variation on Enzymatic Hydrolysis of Valencia Orange Peel - (Abstract) - (02-Mar-05)

Variation in Furanocoumarin Content and New Furanocoumarin Dimers in Commercial Grapefruit (Citrus Paradisi, MARCF.) Juices - (Peer Reviewed Journal)

Widmer, W.W., Haun, C. 2005. Variation in furanocoumarin content and new furanocoumarin dimers in commercial grapefruit (Citrus paradisi, marcf.) juices. Journal of Food Science. 70(4):C307-312.

Flash Extraction of Pectin - (Abstract)

Hotchkiss, A.T., Widmer, W.W., Fishman, M.L. Flash extraction of pectin. Abstract for American Chemical Society 229th National Meeting, San Diego, CA, March 13-19, 2005. Cell 96.

Enzymatic Hydrolysis of Grapefruit Peel to Produce Ethanol and Other Products - (Abstract) - (26-Nov-04)

Furanocoumarin Variation in Four Grapefruit Varieties with Respect to Maturity - (Abstract)

Widmer, W.W., Stinson, W., Dou, H., Haun, C. 2004. Furanocoumarin variation in four grapefruit varieties with respect to maturity. Subtropical Technology Conference Proceedings. 55:26-27.

Health Benefits of Citrus Polysaccharides - (Abstract)

Widmer, W.W. 2004. Health benefits of citrus polysaccharides. American Chemical Society National Meeting. Paper No. AGFD 143.

Do Furanocoumarins Mediate the Grapefruit Juice-Cyclosporine Interaction in Humans in Vivo? - (Abstract) - (30-Apr-04)

Effects of Processing Parameters on Furanocoumarin Content in Grapefruit Juice - (Abstract)

Widmer, W.W., Barros, S.M., Smith, J. 2003. Effects of processing parameters on furanocoumarin content in grapefruit juice. Subtropical Technology Conference Proceedings. 54:39.

A Furanocoumarin-Free Grapefruit Juice Does Not Alter the Oral Pharmacokinetics of Felodipine - (Abstract) - (05-Jun-03)

Dietary Fiber and Other Products from Complex Carbohydrates in Citrus Processing Waste - (Abstract)

WIDMER, W.W. DIETARY FIBER AND OTHER PRODUCTS FROM COMPLEX CARBOHYDRATES IN CITRUS PROCESSING WASTE. ANNUAL MEETING OF THE INSTITUTE OF FOOD TECHNOLOGISTS. 2003. p. 46. ABSTRACT NO. 19-6.

Furanocoumarin Content in Commercial Grapefruit Juice and Absence in Grapefruit/tangerine Hybrids (Tangelos) - (Abstract) - (16-May-03)

The Grapefruit Juice Effect: Grapefruit Juice and Drug Metabolism a Dynamic Relationship - (Abstract) - (16-May-03)

Dietary Fiber Content in Fresh Citrus - (Proceedings/Symposium)

Widmer, W.W. Dietary fiber content in fresh citrus. Proceedings of the Florida State Horticultural Society. 2002. v. 115. p. 301-303.