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Booth M, Fu M, Peterson DG. Consumer acceptance and sensory perception of roasted American-European hybrid hazelnuts. J Food Sci 2024; 89:4440-4449. [PMID: 38875322 DOI: 10.1111/1750-3841.17163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 04/28/2024] [Accepted: 05/24/2024] [Indexed: 06/16/2024]
Abstract
Interspecific American-European hazelnut (Corylus americana × C. avellana) hybrids are being developed for the Upper Midwest region of the United States, which have potential economic and ecological benefits. Currently, researchers are working on pre-commercialization initiatives to create a local hazelnut industry. However, a lack of knowledge on the sensory characteristics and consumer acceptability of the hybrid hazelnuts have been identified as potential limitations to production. This study investigated consumer responses to hybrid hazelnuts, employing hedonic ratings and check-all-that-apply (CATA) questions. Twelve roasted hazelnut hybrids were subjected to consumer evaluation for liking (aroma, color, flavor, texture, and overall) and aroma and flavor descriptors. Consumers also evaluated two European hazelnut varieties for comparative purposes. Liking scores were significantly different (p < 0.05) across different hybrid varieties and when comparing specific hybrids with European varieties. CATA sensory profiles specific to different varieties were also observed and discriminating attributes were identified using multiple-response methodologies. Penalty analysis based on CATA further identified the attributes roasty, hazelnut-like, caramel-like, chocolate-like, sweet, and salty as primary drivers of aroma/flavor liking, while earthy, burnt, and bitter were identified as primary drivers of disliking. Overall, unique flavors that impacted liking were found in hybrid hazelnuts and, when compared with European hazelnuts, provided insights for breeding and post-processing strategies to optimize product quality.
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Affiliation(s)
- Megan Booth
- Department of Food Science and Technology, Parker Food Science and Technology Building, The Ohio State University, Columbus, Ohio, USA
| | - Mengying Fu
- Department of Food Science and Technology, Parker Food Science and Technology Building, The Ohio State University, Columbus, Ohio, USA
| | - Devin G Peterson
- Department of Food Science and Technology, Parker Food Science and Technology Building, The Ohio State University, Columbus, Ohio, USA
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2
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Winters AE, Chan W, White AM, van den Berg CP, Garson MJ, Cheney KL. Weapons or deterrents? Nudibranch molluscs use distinct ecological modes of chemical defence against predators. J Anim Ecol 2021; 91:831-844. [PMID: 34839542 DOI: 10.1111/1365-2656.13643] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Accepted: 11/15/2021] [Indexed: 11/28/2022]
Abstract
Defensive chemicals are used by plants and animals to reduce the risk of predation through different mechanisms, including toxins that cause injury and harm (weapons) and unpalatable or odiferous compounds that prevent attacks (deterrents). However, whether effective defences are both toxins and deterrents, or work in just one modality is often unclear. In this study, our primary aim was to determine whether defensive compounds stored by nudibranch molluscs acted as weapons (in terms of being toxic), deterrents (in terms of being distasteful) or both. Our secondary aim was to investigate the response of different taxa to these defensive compounds. To do this, we identified secondary metabolites in 30 species of nudibranch molluscs and investigated their deterrent properties using antifeedant assays with three taxa: rock pool shrimp, Palaemon serenus, and two fish species: triggerfish Rhinecanthus aculeatus and toadfish Tetractenos hamiltoni. We compared these results to toxicity assays using brine shrimp Artemia sp. and previously published toxicity data with a damselfish Chromis viridis. Overall, we found no clear relationship between palatability and toxicity, but instead classified defensive compounds into the following categories: Class I & II-highly unpalatable and highly toxic; Class I-weakly unpalatable and highly toxic; Class II-highly unpalatable but weakly toxic; WR (weak response)-weakly unpalatable and weakly toxic. We also found eight extracts from six species that did not display activity in any assays indicating they may have very limited chemical defensive mechanisms (NR, no response). We found that the different classes of secondary metabolites were similarly unpalatable to fish and shrimp, except extracts from Phyllidiidae nudibranchs (isonitriles) that were highly unpalatable to shrimp but weakly unpalatable to fish. Our results pave the way towards better understanding how animal chemical defences work against a variety of predators. We highlight the need to disentangle weapons and deterrents in future work on anti-predator defences to better understand the foraging decisions faced by predators, the resultant selection pressures imposed on prey and the evolution of different anti-predator strategies.
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Affiliation(s)
- Anne E Winters
- School of Biological Sciences, The University of Queensland, Brisbane, Qld, Australia
| | - Weili Chan
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, Qld, Australia
| | - Andrew M White
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, Qld, Australia
| | - Cedric P van den Berg
- School of Biological Sciences, The University of Queensland, Brisbane, Qld, Australia
| | - Mary J Garson
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, Qld, Australia
| | - Karen L Cheney
- School of Biological Sciences, The University of Queensland, Brisbane, Qld, Australia
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3
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Molero-Chamizo A, Rivera-Urbina GN. Taste Processing: Insights from Animal Models. Molecules 2020; 25:molecules25143112. [PMID: 32650432 PMCID: PMC7397205 DOI: 10.3390/molecules25143112] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 07/04/2020] [Accepted: 07/07/2020] [Indexed: 12/19/2022] Open
Abstract
Taste processing is an adaptive mechanism involving complex physiological, motivational and cognitive processes. Animal models have provided relevant data about the neuroanatomical and neurobiological components of taste processing. From these models, two important domains of taste responses are described in this review. The first part focuses on the neuroanatomical and neurophysiological bases of olfactory and taste processing. The second part describes the biological and behavioral characteristics of taste learning, with an emphasis on conditioned taste aversion as a key process for the survival and health of many species, including humans.
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Affiliation(s)
- Andrés Molero-Chamizo
- Department of Psychology, Psychobiology Area, University of Huelva, Campus El Carmen, 21071 Huelva, Spain
- Correspondence: ; Tel.: +34-959-21-84-78
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Puglisi MP, Sneed JM, Ritson-Williams R, Young R. Marine chemical ecology in benthic environments. Nat Prod Rep 2019; 36:410-429. [PMID: 30264841 DOI: 10.1039/c8np00061a] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Covering: Most of 2013 up to the end of 2015 This review highlights the 2013-2015 marine chemical ecology literature for benthic bacteria and cyanobacteria, macroalgae, sponges, cnidarians, molluscs, other benthic invertebrates, and fish.
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Affiliation(s)
- Melany P Puglisi
- Chicago State University, Department of Pharmaceutical Sciences, Chicago, IL, USA.
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Consumers' Perceptions and Preferences for Bitterness in Vegetable Foods: The Case of Extra-Virgin Olive Oil and Brassicaceae-A Narrative Review. Nutrients 2019; 11:nu11051164. [PMID: 31137645 PMCID: PMC6566267 DOI: 10.3390/nu11051164] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Revised: 05/21/2019] [Accepted: 05/21/2019] [Indexed: 12/30/2022] Open
Abstract
The presence of some healthy phytochemicals in food can be paired with high bitterness, and consumers have a widespread avoidance toward bitter-tasting food. This causes a gap between preferences and healthy needs of consumers. Therefore, this review collected insights from literature belonging to different discipline domains in order to have a broad view of the current state-of-the-art about biochemical aspects and consumers’ perceptions and preferences toward foods with an enhanced bitter taste. In detail, we focused on two core products of the Mediterranean diet: Extra-virgin olive oil (EVOO) and Brassicaceae, both characterized by specific phytochemicals having strong healthy properties and bitter-pungent taste. Results suggested that, although bitter taste is a general driver of dislike, some exceptions can be represented by: niches of consumers (e.g., innovators and organic buyers), foods consumed with specific purposes (e.g., coffee, chocolate, and alcoholic beverages). The level of bitterness perceived by the consumers can be modulated through exposure, information on benefits, and elements within the environment (e.g., music). Thus, these insights can be used to develop specific campaigns aimed at promoting bitter (healthy) food, considering also the key role that could be played by food pairings.
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Mebs D, Wunder C, Toennes SW. Coping with noxious effects of quinine by praying mantids (Mantodea) and spiders (Araneae). Toxicon 2019; 162:57-60. [PMID: 30904569 DOI: 10.1016/j.toxicon.2019.03.017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Revised: 03/12/2019] [Accepted: 03/17/2019] [Indexed: 10/27/2022]
Abstract
Because of its bitter taste, quinine elicits strong antifeedant and toxic effects in animals including arthropods. In the present study, two mantis, Sphodromantis viridis, Hierodula membranacea, and two spider species, Nephila edulis, Selenocosmia javanensis, were offered a quinine solution or prey (crickets) contaminated or injected with quinine, which they ingested and survived without apparent toxic symptoms. Analysis of their faeces and, in the case of spiders, of silk from their web revealed that quinine was excreted over a period of 8-12 (mantids) or 7 days (spiders). Interestingly, the silk glands of the spiders served as an additional excretory organ of quinine. Both, mantids and spiders were shown to tolerate high amounts of quinine in their prey. Obviously, the bitter taste of this compound is not perceived by their gustatory receptors and consequently triggers no aversive reactions.
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Affiliation(s)
- Dietrich Mebs
- Institute of Legal Medicine, University of Frankfurt, Kennedyallee 104, D-60956, Frankfurt, Germany.
| | - Cora Wunder
- Institute of Legal Medicine, University of Frankfurt, Kennedyallee 104, D-60956, Frankfurt, Germany
| | - Stefan W Toennes
- Institute of Legal Medicine, University of Frankfurt, Kennedyallee 104, D-60956, Frankfurt, Germany
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French A, Ali Agha M, Mitra A, Yanagawa A, Sellier MJ, Marion-Poll F. Drosophila Bitter Taste(s). Front Integr Neurosci 2015; 9:58. [PMID: 26635553 PMCID: PMC4658422 DOI: 10.3389/fnint.2015.00058] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2015] [Accepted: 10/30/2015] [Indexed: 11/13/2022] Open
Abstract
Most animals possess taste receptors neurons detecting potentially noxious compounds. In humans, the ligands which activate these neurons define a sensory space called “bitter”. By extension, this term has been used in animals and insects to define molecules which induce aversive responses. In this review, based on our observations carried out in Drosophila, we examine how bitter compounds are detected and if bitter-sensitive neurons respond only to molecules bitter to humans. Like most animals, flies detect bitter chemicals through a specific population of taste neurons, distinct from those responding to sugars or to other modalities. Activating bitter-sensitive taste neurons induces aversive reactions and inhibits feeding. Bitter molecules also contribute to the suppression of sugar-neuron responses and can lead to a complete inhibition of the responses to sugar at the periphery. Since some bitter molecules activate bitter-sensitive neurons and some inhibit sugar detection, bitter molecules are represented by two sensory spaces which are only partially congruent. In addition to molecules which impact feeding, we recently discovered that the activation of bitter-sensitive neurons also induces grooming. Bitter-sensitive neurons of the wings and of the legs can sense chemicals from the gram negative bacteria, Escherichia coli, thus adding another biological function to these receptors. Bitter-sensitive neurons of the proboscis also respond to the inhibitory pheromone, 7-tricosene. Activating these neurons by bitter molecules in the context of sexual encounter inhibits courting and sexual reproduction, while activating these neurons with 7-tricosene in a feeding context will inhibit feeding. The picture that emerges from these observations is that the taste system is composed of detectors which monitor different “categories” of ligands, which facilitate or inhibit behaviors depending on the context (feeding, sexual reproduction, hygienic behavior), thus considerably extending the initial definition of “bitter” tasting.
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Affiliation(s)
- Alice French
- Evolution, Génomes, Comportement & Ecologie, CNRS, IRD, Université Paris-Sud, Université Paris-Saclay Gif-sur-Yvette, France
| | - Moutaz Ali Agha
- Evolution, Génomes, Comportement & Ecologie, CNRS, IRD, Université Paris-Sud, Université Paris-Saclay Gif-sur-Yvette, France
| | - Aniruddha Mitra
- Evolution, Génomes, Comportement & Ecologie, CNRS, IRD, Université Paris-Sud, Université Paris-Saclay Gif-sur-Yvette, France
| | - Aya Yanagawa
- Evolution, Génomes, Comportement & Ecologie, CNRS, IRD, Université Paris-Sud, Université Paris-Saclay Gif-sur-Yvette, France ; Research Institute for Sustainable Humanosphere, Kyoto University Uji City, Japan
| | - Marie-Jeanne Sellier
- Evolution, Génomes, Comportement & Ecologie, CNRS, IRD, Université Paris-Sud, Université Paris-Saclay Gif-sur-Yvette, France
| | - Frédéric Marion-Poll
- Evolution, Génomes, Comportement & Ecologie, CNRS, IRD, Université Paris-Sud, Université Paris-Saclay Gif-sur-Yvette, France ; AgroParisTech Paris, France
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Murray JA, Wyeth RC. Introduction to the Symposium--Chemicals that Organize Ecology: Towards a Greater Integration of Chemoreception, Neuroscience, Organismal Biology, and Chemical Ecology. Integr Comp Biol 2015. [PMID: 26210346 DOI: 10.1093/icb/icv089] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- James A Murray
- *Department of Biological Sciences, California State University, East Bay, 25800 Carlos Bee Blvd, Hayward, CA 94542, USA;
| | - Russell C Wyeth
- Department of Biology, St Francis Xavier University, 5000 Antigonish, NS B2G 2W5, Canada
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