Projects

ENHANCED UTILIZATION OF CARBOHYDRATES AND POLYSACCHARIDES FROM CITRUS PROCESSING WASTE STREAMS Appropriated (D)   Accession Number: 408510

RECOVERY OF VALUE-ADDED PRODUCTS PERTAINING TO HEALTH AND FOOD USES FROM CITRUS PROCESSING WASTE Appropriated (D)   Accession Number: 408877

COMPLEXATION OF FERRIC OXIDE PARTICLES WITH PECTINS HAVING A NON-RANDOM VS. RANDOM DISTRIBUTION OF CHARGED BLOCK STRUCTURE Nonfunded Cooperative Agreement (N)   Accession Number: 415092

MAPPING STRUCTURAL AND FUNCTIONAL CHANGES IN ESTERASE TREATED PECTIN AND CHARACTERIZING ENZYME MODE OF ACTION Reimbursable (R)   Accession Number: 414621

INVESTIGATION OF FRESH JUICE FLAVOR, NUTRITIONAL AND HEALTHFUL QUALITIES COMPARED TO PROCESSED JUICE Reimbursable (R)   Accession Number: 416706

PURIFICATION AND CHARACTERIZATION OF PAPAYA PECTIN METHYLESTERASE FOR USE IN ENZYME-BASED, NANO-STRUCTURAL ENGINEERING OF PECTIN Specific Cooperative Agreement (S)   Accession Number: 415258

EFFECTS OF HUANGLONGBING (HLB) DISEASE ON QUALITY OF ORANGE JUICE AND IDENTIFICATION OF HLB-INDUCED CHEMICAL SIGNATURES IN FRUIT JUICE ... Trust (T)   Accession Number: 415069

Publications

Digestion patterns of two commercial endopolygalacturonases on polygalacturonate oligomers with a degree of polymerization from 7¿21 - (Abstract)

Cameron, R.G., Goodner, K., Luzio, G.A., Savary, B.J. 2009. Digestion patterns of two commercial endopolygalacturonases on polygalacturonate oligomers with a degree of polymerization from 7¿21. Florida State Horticultural Society Meeting. Paper No. HP1.

Mechanistic understanding and performance of biosorption of metal ions by grapefruit peel using FTIR spectroscopy, kinetics and adsorption isotherms modeling, alkali and alkaline metal displacement and EDX analysis - (Peer Reviewed Journal) - (06-Apr-09)

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.

Thermally tolerant pectin methylesterase, juice cloud loss and greening - (Abstract)

Cameron, R.G., Savary, B.J., Vasu, P., Mccollum, T.G. 2008. Thermally tolerant pectin methylesterase, juice cloud loss and greening. Subtropical Technology Conference Proceedings.59:29.

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.

Rheological investigation of pectin deesterified using salt-independent pectin methylesterase from citrus - (Peer Reviewed Journal)

Luzio, G.A., Cameron, R.G. 2007. Rheological investigation of pectin deesterified using salt-independent pectin methylesterase from citrus. Proceedings of Florida State Horticultural Society. 120:304-309.

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.

Suspension properties of pectins deesterified using pectin methylesterase - (Abstract)

Luzio, G.A., Cameron, R.G. 2007. Suspension properties of pectins deesterified using pectin methylesterase. Subtropical Technology Conference Proceedings. 58:20.

Demethylation of a model homogalacturonan with a citrus salt-independent pectin methylesterase: Effect of pH on block size and number, enzyme mode of action and resulting functionality - (Peer Reviewed Journal)

Cameron, R.G., Luzio, G.A., Goodner, K., Williams, M.A.K. 2008. Demethylation of a model homogalacturonan with a salt-independent pectin methylesterase from citrus: I. Effect of pH on demethylated block size, block number, and enzyme mode of action. Carbohydrate Polymers. 71:287-299.

Demethylation of a model homogalacturonan with the salt-independent pectin methylesterase from citrus: II. structure function analysis - (Peer Reviewed Journal)

Luzio, G.A., Cameron, R.G. 2008. Demethylation of a model homogalacturonan with the salt-independent pectin methylesterase from citrus: Part II. Structure-function analysis. Carbohydrate Polymers. 71:300-309.

Demethylation of a model homogalacturonan with a citrus salt-independent pectin methylesterase: Effect of pH on block size and number and resulting functionality - (Abstract)

Luzio, G.A., Cameron, R.G. 2007. Demethylation of a model homogalacturonan with a citrus salt-independent pectin methylesterase: Effect of pH on block size and number and resulting functionality. National Meeting of Institute of Food Technologists/Food Expo. Presentation No. 137-03.

Functional analysis of block deesterified citrus pectins - (Abstract)

Luzio, G., Cameron, R. 2007. Functional analysis of block deesterified citrus pectins. Florida State Horticultural Society Meeting. Abstract No. HP21.

Demethylation of a model homogalacturonan with a citrus salt-independent pectin methylesterase: effect of pH on block size and number, enzyme mode of action and resulting functionality - (Abstract) - (26-Dec-06)

Citrus salt-independent pectin methylesterase demethylation of a model homogalacturonan: effect of pH on demethylated block size and distribution - (Abstract)

Cameron, R.G., Goodner, K.L., Luzio, G.A. 2006. Citrus salt-independent pectin methylesterase demethylation of a model homogalacturonan: effect of pH on demethylated block size and distribution. Subtropical Technology Conference Proceedings. 57:15.

Functional properties of pectin after treatment qith an orange pectin methylesterase - (Abstract)

Luzio, G.A., Cameron, R.G. 2006. Functional properties of pectin after treatment qith an orange pectin methylesterase. Subtropical Technology Conference Proceedings. 57:16.

ON THE SIMULATION OF ENZYMATIC DIGEST PATTERNS - (Peer Reviewed Journal)

Hunt, J.J., Cameron, R., Williams, M.A.K. 2006. On the simulation of enzymatic digest patterns: The fragmentation of oligomeric and polymeric galacturonides by endo-polygalacturonase II. Biochimica et Biophysica Acta. 1760:1669-1703.

HPAEC Coupled to an Evaporative Light Scattering Detector for Separation, Detection and Quantification of Galacturonic Acid Oligomers - (Abstract) - (20-Jul-06)

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.

STRUCTURAL CHARACTERIZATION OF PECTIN FOLLOWING DEMETHYLATION WITH A SALT-INDEPENDENT PECTIN METHYLESTERASE - (Abstract)

Cameron, R.G., Goodner, K.L., Luzio, G.A. 2006. Structural characterization of pectin following demethylation with a salt-independent pectin methylesterase. National Meeting of Institute of Food Technologists/Food Expo. Abstract No. 014-03.

FUNCTIONAL AND RHEOLOGICAL PROPERTIES OF HIGHLY ESTERIFIED PECTIN AFTER TREATMENT WITH AN ORANGE PECTIN METHYLESTERASE - (Abstract)

Luzio, G.A., Cameron, R.G. 2006. Functional and rheological properties of highly esterified pectin after treatment with an orange pectin methylesterase. National Meeting of Institute of Food Technologists/Food Expo. Abstract No. 014-06.

EFFECT OF PECTIN OLIGOMERS ON STRAWBERRY FRUIT DECAY AND ETHYLENE PRODUCTION - (Abstract)

Baldwin, E., Narciso, J., Cameron, R., Plotto, A. 2006. Effect of pectin oligomers on strawberry fruit decay and ethylene production. HortScience. 41(4):1044.

PRODUCTION OF NARROW-RANGE SIZE-CLASSES OF POLYGALACTURONIC ACID OLIGOMERS - (Peer Reviewed Journal)

Cameron, R.G., Luzio, G.A., Baldwin, E.A., Narciso, J.A., Plotto, A. 2006. Production of narrow-range size-classes of polygalacturonic acid oligomers. Proceedings of Florida State Horticultural Society. 118:406-409.

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.

EFFECT OF PH ON DE-ESTERIFIED AND METHYL-PROTECTED BLOCK SIZE IN PECTIN TREATED WITH THE SALT-INDEPENDENT PECTIN METHYLESTERASE FROM CITRUS FRUIT - (Abstract)

Cameron, R.G., Luzio, G.A. 2006. Effect of pH on de-esterified and methyl-protected block size in pectin treated with the salt-independent pectin methylesterase from citrus fruit. Pacifichem Symposium. Paper No. 22.

RHEOLOGICAL PROPERTIES OF NON-CALCIUM SENSITIVE PECTIN AFTER TREATMENT WITH THE CITRUS SALT INDEPENDENT PECTIN METHYLESTERASE - (Abstract)

Luzio, G.A., Cameron, R.G. 2006. Rheological properties of non-calcium sensitive pectin after treatment with the citrus salt independent pectin methylesterase. Pacifichem Symposium. Paper No. 23.

PROGRESS IN DETERMINING PECTIN METHYLESTERASE MODE OF ACTION AND STRUCTURAL MAPPING OF MODIFIED PECTIN - (Abstract)

Cameron, R.G., Savary, B.J. 2005. Progress in determining pectin methylesterase mode of action and structural mapping of modified pectin. Subtropical Technology Conference Proceedings. 56:14.

MODE OF ACTION OF TWO COMMERCIAL PECTOLYTIC ENDO-POLYGALACTURONASES - (Abstract)

Cameron, R.G., Luzio, G.A., Grohmann, K., Savary, B.J. 2005. Mode of action of two commercial pectolytic endo-polygalacturonases. National Meeting of Institute of Food Technologists/Food Expo. Paper No. 71B-3.

BIOCHEMICAL AND CHEMICAL DIVERSITY OF PECTIN METHYLESTERASES: SPECIFIC ISOFORM IDENTIFICATION BY MASS SPECTROMETRY - (Abstract)

Savary, B.J., Nunez, A., Cameron, R.G. 2005. Biochemical and chemical diversity of pectin methylesterases: specific isoform identification by mass spectrometry. Abstract. Pacifichem 2005, International Chemical Congress of Pacific Basin. Pectin Chemistry #221.

PRODUCTION OF NARROW-RANGE SIZE-CLASSES OF POLYGALACTURONIC ACID OLIGOMERS - (Abstract) - (02-Mar-05)

EFFECT OF SEASONAL VARIATION ON ENZYMATIC HYDROLYSIS OF VALENCIA ORANGE PEEL - (Abstract) - (02-Mar-05)

IDENTIFICATION OF PLANT PECTIN METHYLESTERASE ISOFORMS BY MASS SPECTROMETY PEPTIDE PROFILING - (Abstract)

Savary, B.J., Nunez, A., Cameron, R.G. 2005. Identification of plant pectin methylesterase isoforms by mass spectromety peptide profiling. Meeting Abstract. Annual Meeting of American Society of Plant Biologists. Paper #999.

CHARACTERIZATION OF ESTERIFIED BLOCKS IN PECTIN HOMOGALACTURONAN REGIONS AFTER DE-ESTERIFICATION WITH THE THERMALLY TOLERANT PECTIN METHYLESTERASE FROM CITRUS FRUIT - (Proceedings/Symposium)

Cameron, R.G., Luzio, G.A., Grohmann, K. 2004. Characterization of esterified blocks in pectin homogalacturonan regions after de-esterification with the thermally tolerant pectin methylesterase from citrus fruit. Proceedings of Florida State Horticultural Society. 117:410-415.

MASS SPECTROSCOPY PROFILING OF TRYPTIC-PEPTIDES FOR IDENTIFYING PECTIN METHYLESTERASES ISOLATED FROM VALENCIA ORANGE [(CITRUS SINENSIS (L.) OSBECK] FRUIT - (Abstract)

Savary, B.J., Nunez, A., Cameron, R.G. Mass spectroscopy profiling of tryptic-peptides for identifying pectin methylesterases isolated from valencia orange [(citrus sinensis (l.) osbeck] fruit. Abstract 229TH NATIONAL MEETING, AMERICAN CHEMICAL SOCIETY, SAN DIEGO, CA., March 13-17, 2005. Cell 118.

ISOLATION, CHARACTERIZATION AND PECTIN MODIFYING PROPERTIES OF A THERMALLY TOLERANT PECTIN METHYLESTERASE FROM VALENCIA ORANGES - (Peer Reviewed Journal)

Cameron, R.G., Savary, B.J., Hotchkiss, A.T., Fishman, M.L. 2005. Isolation, characterization and pectin modifying properties of a thermally tolerant pectin methylesterase from valencia oranges. Journal of Agricultural and Food Chemistry. 53:2255-2260.

SEPARATION, DETECTION AND QUANTIFICATION OF GALACTURONIC ACID OLIGOMERS WITH A DEGREE OF POLYMERIZATION GREATER THAN 50 - (Peer Reviewed Journal)

Cameron, R.G., Grohmann, K. 2005. Separation, detection and quantification of galacturonic acid oligomers with a degree of polymerization greater than 50. Journal of Liquid Chromatography and Related Technologies. 28:559-570.

MAPPING DEMETHYLATED BLOCK SIZE AND DISTRIBUTION IN PECTIN FROM CITRUS PROCESSING WASTE - (Abstract)

Cameron, R.G., Grohmann, K. 2004. Mapping demethylated block size and distribution in pectin from citrus processing waste. Subtropical Technology Conference Proceedings. 55:43.

MAPPING DEMETHYLATED BLOCK SIZE AND DISTRIBUTION IN PECTIN FROM CITRUS PROCESSING WASTE - (Abstract)

Cameron, R.G., Grohmann, K. 2004. Mapping demethylated block size and distribution in pectin from citrus processing waste. Annual Meeting of the Institute of Food Technologists. Book of Abstracts. p. 147. Paper No. 56-5.

SEPARATION AND DETECTION OF OLIGOGALACTURONIDES - (Proceedings/Symposium)

Cameron, R.G., Grohmann, K., Hotchkiss, A.T. 2003. Separation and detection of oligogalacturonides. Proceedings Of Florida State Horticultural Society. 116:413-417.

MODIFICATION, SEPARATION AND DETECTION OF OLIGOGALACTURONIDES - (Abstract)

Cameron, R.G., Kauffman, S.W., Grohmann, K. 2003. Modification, separation and detection of oligogalacturonides. Subtropical Technology Conference Proceedings. 54:40.

UTILIZATION OF AN EVAPORATIVE LIGHT SCATTERING DETECTOR FOR HIGH PERFORMANCE SIZE EXCLUSION CHROMATOGRAPHY OF GALACTURONIC ACID OLIGOMERS - (Peer Reviewed Journal)

CAMERON, R.G., HOTCHKISS, A.T., KAUFFMAN, S.W., GROHMANN, K. UTILIZATION OF AN EVAPORATIVE LIGHT SCATTERING DETECTOR FOR HIGH PERFORMANCE SIZE EXCLUSION CHROMATOGRAPHY OF GALACTURONIC ACID OLIGOMERS. JOURNAL OF CHROMATOGRAPHY A. 2003. v. 1011(1-2). p. 227-231.

SEPARATION AND DETECTION OF OLIGOGALACTURONIDES - (Abstract) - (20-Apr-03)

ISOLATION, CHARACTERIZATION AND PECTIN MODIFYING PROPERTIES OF A THERMALLY TOLERANT PECTIN METHYLESTERASE FROM CITRUS SINENSIS VAR. VALENCIA - (Abstract)

CAMERON, R.G., SAVARY, B.J., HOTCHKISS, A.T., FISHMAN, M.L., CHAU, H.K., GROHMANN, K. ISOLATION, CHARACTERIZATION AND PECTIN MODIFYING PROPERTIES OF A THERMALLY TOLERANT PECTIN METHYLESTERASE FROM CITRUS SINENSIS VAR. VALENCIA. AMERICAN SOCIETY OF PLANT BIOLOGISTS ANNUAL MEETING. 2003. AMERICAN SOCIETY OF PLANT BIOLOGISTS. PAPER NO. 253.