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Helene Hopfer

Associate Professor

The Pennsylvania State University - University Park Campus

United States

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Research Interests

Food Science

80%

Crop Science

40%

Food Quality

30%

Aroma Chemistry

30%

Taste Perception

30%

Dietary Science

20%

Carbohydrate Chemistry

20%

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Articles18

In situ electrochemical impedance spectroscopy of non-BPA food contact coatings on electrolytic tinplate under retort conditions

Article Link

Year:

2025

Perception of citric acid and citrate salt mixtures in humans

Article Link

Year:

2025

Orthorexia Nervosa and Healthy Orthorexia in a Physically Active North American Population

Article Link

Year:

2024

Identifying an Early Leaf Removal Threshold for Grüner Veltliner, a High-Yielding, High-Vigor Cultivar

Article Link

Year:

2024

What Is Chalky? Investigating Consumer Language and Perception of Fine Particles in Beverages Containing Pea and Potato Starch

Article Link

Year:

2024

Online Nutrition Education Videos Teaching How to Use Herbs and Spices to Improve Diet Quality

Article Link

Year:

2024

Effect of the addition of cocoa sweatings and time of fermentation on flavor compounds and sensory perception of 100% roasted cocoa liquor

Article Link

Year:

2024

Odor-scavenging capabilities of pre-formed “empty” V-type starches for beany off-flavor compounds

Article Link

Year:

2024

Roasting and Cacao Origin Affect the Formation of Volatile Organic Sulfur Compounds in 100% Chocolate

Article Link

Year:

2023

The effect of fat content on sensory perception and consumer acceptability of 70% cacao dark chocolate made from reconstituted cocoa liquor

Article Link

Year:

2023

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

Article Link

Year:

2023

Delaying grapevine budbreak to prevent spring freeze damage impacts Lemberger wine flavour compounds under variable weather conditions

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Year:

2023

Synergistic and antagonistic ingredient interactions as a sugar reduction strategy in chocolate milk

Article Link

Year:

2022

Salivary α-amylase activity and flow rate explain differences in temporal flavor perception in a chewing gum matrix comprising starch-limonene inclusion complexes

Article Link

Year:

2022

Effect of alkyl chain length on the antioxidant activity of alkylresorcinol homologs in low-moisture crackers

Article Link

Year:

2022

Effect of Copper-Based Fungicide Treatments on the Quality of Hop Produced in the Northeastern United States

Article Link

Year:

2022

Optimizing consumer acceptability of 100% chocolate through roasting treatments and effects on bitterness and other important sensory characteristics

Article Link

Year:

2022

Preferred beer styles influence both perceptual maps and semantic descriptions of dry hops

Article Link

Year:

2021

Collaborators8

John E. Hayes

UNITED STATES

Ryan Elias

Professor

Pennsylvania State University

UNITED STATES

Andrew Harner

Assistant Professor of Viticulture

Virginia Tech

UNITED STATES

Robert Roberts

Department Head and Professor

Pennsylvania State University

UNITED STATES

Gregory Ziegler

Professor

Penn State

UNITED STATES

Penny Kris-Etherton

Distinguished Professor of Nutrition

The Pennsylvania State University - University Park Campus

UNITED STATES

Travis Masterson

Pennsylvania State University

UNITED STATES

Erich Leitner

Professor "Analytics of Food and Food Contact Materials"

Graz University of Technology

AUSTRIA

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