Helene Hopfer
Associate Professor of Food Science

- She/Her
- hxh83@psu.edu
- 814-863-5572
Publication Tags
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Wine Odorants Odors Sulfur Starch Food Wines Chlorine Phosphorus Pesticides Beverages Fruit Industry Kinetics Sucrose Menthol Prunus Persica Fermentation Methodology Cold Temperature Temperature X Ray Diffraction Sampling Vanilla ComplexationMost Recent Publications
Dose-response relationships for vanilla flavor and sucrose in skim milk: Evidence of synergy
Gloria Wang, John Hayes, Gregory Ziegler, Robert Roberts, Helene Hopfer, Beverages on p. 73
The effect of fat content on sensory perception and consumer acceptability of 70% cacao dark chocolate made from reconstituted cocoa liquor
Allison L. Brown, Ezekiel R. Warren, Bradley W. Ingraham, Gregory R. Ziegler, Helene Hopfer, 2023, Journal of Sensory Studies
Roasting and Cacao Origin Affect the Formation of Volatile Organic Sulfur Compounds in 100% Chocolate
Aaron M. Wiedemer, Alan P. McClure, Erich Leitner, Helene Hopfer, 2023, Molecules
A cross-cultural study on odor-elicited life stage-associations
Martin Wendelin, Andrea Bauer, Elisabeth Buchinger, Lukas Danner, Eva Derndorfer, Vu Thi Minh Hang, Helene Hopfer, Marlies Wallner, Srinual Jantathai, Nina Julius, Imke Matullat, Dorota Majchrzak, Barbara Siegmund, Han Seok Seo, Bernhard Spangl, Klaus Duerrschmid, 2023, Food Quality and Preference
Using Herbs/Spices to Enhance the Flavor of Commonly Consumed Foods Reformulated to Be Lower in Overconsumed Dietary Components Is an Acceptable Strategy and Has the Potential to Lower Intake of Saturated Fat and Sodium: A National Health and Nutrition Examination Survey Analysis and Blind Tasting
Kristina Petersen, Victor Fulgoni, Helene Hopfer, John E. Hayes, Rachel Gooding, P Kris-Etherton, 2023, Journal of the Academy of Nutrition and Dietetics
Evaluation of public submissions to the USDA for labeling of cell-cultured meat in the United States
Morgan Failla, Helene Hopfer, Josephine Wee, 2023, Frontiers in Nutrition
Delaying grapevine budbreak to prevent spring freeze damage impacts Lemberger wine flavour compounds under variable weather conditions
Meredith J. Persico, Donald E. Smith, Maria S. Smith, Helene Hopfer, Michela Centinari, 2023, Oeno One on p. 331-343
Texture term usage and hedonic ratings in two age-diverse cohorts of Americans
Kai Kai Ma, Aarthi Madhavan, Nicole M. Etter, Helene Hopfer, John E. Hayes, 2023, Journal of Texture Studies
Aroma volatiles as predictors of chilling injury development during peach (Prunus persica (L) Batsch) cold storage and subsequent shelf-life
Macarena Farcuh, Helene Hopfer, 2023, Postharvest Biology and Technology
Part 3: Analysis of Milk and Dairy Products: Gas Chromatography
Helene Hopfer, 2022, on p. 382-390
Most-Cited Papers
Judging wine quality: Do we need experts, consumers or trained panelists?
Helene Hopfer, Hildegarde Heymann, 2014, Food Quality and Preference on p. 221-233
The combined impact of vineyard origin and processing winery on the elemental profile of red wines
Helene Hopfer, Jenny Nelson, Thomas S. Collins, Hildegarde Heymann, Susan E. Ebeler, 2015, Food Chemistry on p. 486-496
Red blotch disease alters grape berry development and metabolism by interfering with the transcriptional and hormonal regulation of ripening
Barbara Blanco-Ulate, Helene Hopfer, Rosa Figueroa-Balderas, Zirou Ye, Rosa M. Rivero, Alfonso Albacete, Francisco Pérez-Alfocea, Renata Koyama, Michael M. Anderson, Rhonda J. Smith, Susan E. Ebeler, Dario Cantu, 2017, Journal of Experimental Botany on p. 1225-1238
A summary of projective mapping observations - The effect of replicates and shape, and individual performance measurements
Helene Hopfer, Hildegarde Heymann, 2013, Food Quality and Preference on p. 164-181
Starch-menthol inclusion complex: Structure and release kinetics
Linfan Shi, Helene Hopfer, Gregory R. Ziegler, Lingyan Kong, 2019, Food Hydrocolloids on p. 105183
Influence of pre-fermentation treatments on wine volatile and sensory profile of the new disease tolerant cultivar solaris
Shujuan Zhang, Mikael Agerlin Petersen, Jing Liu, Torben Bo Toldam-Andersen, Susan E. Ebeler, Helene Hopfer, 2015, Molecules on p. 21609-21625
Classical descriptive analysis
Hildegarde Heymann, Ellena S. King, Helene Hopfer, 2014, on p. 9-40
An exploration of the perception of minerality in white wines by projective mapping and descriptive analysis
Hildegarde Heymann, Helene Hopfer, Dwayne Bershaw, 2014, Journal of Sensory Studies on p. 1-13
Total arsenic analysis in Californian wines with hydride generation-microwave plasma-atomic emission spectroscopy (HG-MP-AES)
C. K. Tanabe, Helene Hopfer, G. Gilleland, A. Liba, S. E. Ebeler, J. Nelson, 2016, Journal of Analytical Atomic Spectrometry on p. 1223-1227
Evaluation of GC-ICP-MS/MS as a new strategy for specific heteroatom detection of phosphorus, sulfur, and chlorine determination in foods
Jenny Nelson, Helene Hopfer, Fabio Silva, Steve Wilbur, Jianmin Chen, Kumi Shiota Ozawa, Philip L. Wylie, 2015, Journal of Agricultural and Food Chemistry on p. 4478-4483
News Articles Featuring Helene Hopfer
Oct 16, 2023
Grants awarded to Penn State faculty for tropical ecosystems research in Belize
Three projects have been awarded seed grants as part of the Penn State-Belize Foundation for Research and Environmental Education Research and Education Initiative to develop agroforestry systems .
Full Article
Aug 29, 2023
Herbs and spices tout taste and health as saturated fat, salt replacements
A team of Penn State researchers has figured out how to remove some saturated fat, sugar and salt from popular American foods while maintaining their tastiness. The trick? Replacing these overconsumed nutrients with a dose of healthy herbs and spices.
Full Article