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Natsuko Toyofuku
Healthy Processed Foods Research
Physical Scientist

Phone: (510) 559-5868
Fax: (510) 559-5777

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Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Characterization of the proximate composition, lipid oxidation status, and mineral content of mature tree nuts from nine hazelnut cultivars grown in the United States Reprint Icon - (Peer Reviewed Journal)
Breksa III, A.P., Vilches, A.M., Liang, P., Toyofuku, N., Haff, R.P. 2024. Characterization of the proximate composition, lipid oxidation status, and mineral content of mature tree nuts from nine hazelnut cultivars grown in the United States. Journal of Food Quality. 2024(1). Article 1469136. https://doi.org/10.1155/2024/1469136.
X-ray based sterilization of larvae of the navel orangeworm (lepidoptera:pyralaide) for sterile insect technique Reprint Icon - (Peer Reviewed Journal)
Haff, R.P., Ovchinnikova, I., Liang, P., Mahoney, N.E., Gee, W.S., Gomez, J., Toyofuku, N., Jackson, E.S., Hnasko, R.M., Light, D. 2020. X-ray based sterilization of larvae of the navel orangeworm (lepidoptera:pyralaide) for sterile insect technique. Journal of Economic Entomology. 113(4):1685-1693. https://doi.org/10.1093/jee/toaa111.
Aflatoxin cross-contamination during mixing of shelled almonds Reprint Icon - (Peer Reviewed Journal)
Toyofuku, N., Mahoney, N.E., Haff, R.P. 2019. Aflatoxin cross-contamination during mixing of shelled almonds. Journal of Food Processing and Preservation. 44(2). https://doi.org/10.1111/jfpp.14330.
Advances in automated nut sorting - (Book / Chapter)
Toyofuku, N., Haff, R.P., Pearson, T.C. 2013. Advances in automated nut sorting. In: Sun, D. editor. Improving the Safety and Quality of Nuts. Philadelphia, PA. Woodhead Publishing. p. 230-244.
Computer vision for foreign body detection and removal in the food industry - (Book / Chapter)
Toyofuku, N., Haff, R.P. 2012. Computer vision for foreign body detection and removal in the food industry. In: Sun, D. editors. Computer Vision Technology in the Food and Beverage Industries. Philadelphia, PA: Woodhead Publishing. p. 181-205.
Detection of Mango Infested with Fruit Fly Eggs and Larvae by Infrared Imaging and Discriminant Analysis - (Proceedings)
Haff, R.P., Saranwong, S., Thanapase, W., Toyofuku, N., Kasemsunran, S., Kawano, S. 2010. Detection of Mango Infested with Fruit Fly Eggs and Larvae by Infrared Imaging and Discriminant Analysis. United States-Japan Cooperative Program in Natural Resources.
Sorting of in-shell Pistachio nuts from kernels using color imaging - (Peer Reviewed Journal)
Haff, R.P., Pearson, T.C., Toyofuku, N. 2010. Sorting Of In-Shell Pistachio Nuts From Kernals Using Color Imaging. Applied Engineering in Agriculture.26(4):633-638. Available:http://asae.frymulti.com/toc_journals.asp?volume=26&issue=4&conf=aeaj&orgconf=aeaj2010
Automatic image analysis and spot classification for detection of pathogenic Escherichia coli on glass slide DNA microarrays - (Peer Reviewed Journal)
Haff, R.P., Quinones, B., Swimley, M.S., Toyofuku, N. 2010. Automatic image analysis and spot classification for detection of pathogenic Escherichia coli on glass slide DNA microarrays. Computers and Electronics in Agriculture. 71(2):163-169.
Calculation of contaminant distribution in tree and ground nuts - (Peer Reviewed Journal)
Toyofuku, N., Schatzki, T.F. 2009. Calculation of contaminant distribution in tree and ground nuts. World Mycotoxin Journal.2:(3):285-294.
Distribution of Aflatoxin in Non-Irrigated Peanuts - (Peer Reviewed Journal)
Toyofuku, N., Schatzki, T.F., Ong, M.S. 2009. Distribution of Aflatoxin in Non-Irrigated Peanuts. World Mycotoxin Journal. 2(1):71-75.
X-ray detection of defects and contaminants in the food industry - (Review Article)
Haff, R.P., Toyofuku, N. 2008. X-ray detection of defects and contaminants in the food industry. Sensing and Instrumentation for Food Quality and Safety. 2:262-273.
SAMPLE COMMINUTION FOR MYCOTOXIN ANALYSIS: DRY MILLING OR SLURRY MIXING? - (Peer Reviewed Journal)
Spanjer, M.C., Scholten, J.M., Kastrup, S., Jorissen, U., Schatzki, T.F., Toyofuku, N. 2006. Sample comminution for mycotoxin analysis: dry milling or slurry mixing?. Journal of Food Additives & Contaminants. 23(1):73-83.
SAMPLING AND SAMPLE PREPARATION OF PISTACHIOS - (Book / Chapter)
Schatzki, T., Toyofuku, N. 2004. Sampling and sample preparation of pistachios. In: Barug, D., Van Egmond, H.P., Lopez-Garcia, R., Van Osenbruggen, W.A., Visconti, A. Meeting the Mycotoxin Menace. Netherlands: Wageningen Academic Publishers. p. 221-235.
SAMPLE PREPARATION AND PRESAMPLING OF PISTACHIOS - (Peer Reviewed Journal)
Schatzki, T.F., Toyofuku, N. 2003. Sample preparation and presampling of pistachios. Journal of Agriculture and Food Chemistry. 51(20):6068-6072.
SUBSAMPLE PREPARATION OF PISTACHIOS - (Peer Reviewed Journal)
SCHATZKI, T.F., TOYOFUKU, N. SUBSAMPLE PREPARATION OF PISTACHIOS. FRUIT NUT AND VEGETABLE PRODUCTION ENGINEERING. 2002. p. 171-176.
AUTOMATED SORTING OF PISTACHIO NUTS WITH CLOSED SHELLS - (Peer Reviewed Journal)
Pearson, T.C., Toyofuku, N. 2000. Automated sorting of pistachio nuts with closed shells. Applied Engineering in Agriculture. 16(1):91-94.