Claudia Gonzalez Viejo

Claudia Gonzalez Viejo
University of Melbourne | MSD · Faculty of Veterinary and Agricultural Sciences

PhD

About

135
Publications
52,029
Reads
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1,325
Citations
Education
July 2016 - May 2020
University of Melbourne
Field of study
  • Agriculture and Food

Publications

Publications (135)
Chapter
Electronic noses (e-noses) have been used for agriculture and food applications to mainly assess volatile aromatic compounds to determine produce maturity, pest and disease attack, and for classification purposes according to food products, geographical origin, or quality. However, early e-noses were developed as an attachment to gas chromatographs...
Poster
Full-text available
This study aimed to develop an alternative method for rapid detection and of high replicability potential of rice adulteration using a low-cost and portable electronic nose (e-nose) coupled with machine learning (ML) modeling techniques.
Poster
Full-text available
Berry cell death (BCD) has been shown to be an objective and important parameter to assess berry and wine quality traits such as aroma profiles. Most common methods to measure berry cell death involve the collection of berries from veraison to harvest, followed by analysis using dyes (fluorescent and non-fluorescent) and recording images for comput...
Conference Paper
Due to increased rates of fraud through counterfeiting and adulteration of quality wines, it is important to develop novel non-destructive techniques to assess wine quality and provenance. Therefore, our research group developed a novel method using near-infrared (NIR) spectroscopy (1596 – 2396 nm) coupled with machine learning (ML) modelling to as...
Conference Paper
Due to climate change, the higher incidence and severity of bushfires is a major challenge for wine producers worldwide as an increase in smoke contamination negatively affects the physicochemical components that contribute to lower quality of both fresh produce and final products (smoke taint in wines). This results in reduced prices and consumer...
Article
Full-text available
Digitally extracted biometrics from visible videos of farm animals could be used to automatically assess animal welfare, contributing to the future of automated veterinary support systems. This study proposed using non-invasive video acquisition and biometric analysis of dairy cows in a robotic dairy farm (RDF) located at the Dookie campus, The Uni...
Article
Expectations are pre-existing beliefs developed due to prior interactions with products. This study aimed to understand how expectations raised from different packaging materials (four textures x two font colours) affect the approach-based consumer behaviours. Participants evaluated tetra pack, pouch, glass and plastic bottles using white and orang...
Article
The implementation of artificial intelligence (AI) in parallel with remote sensing could be a powerful tool to manage irrigation scheduling on crops with narrow thresholds between water stress levels, such as cherry trees. This research assessed the water status of 'Regina' cherry trees using machine learning (ML) modeling from data extracted autom...
Article
Full-text available
Livestock welfare assessment helps monitor animals' health status to maintain productivity, identify injuries and stress, and avoid deterioration. It has also become an important marketing strategy since it increases consumer pressure for a more humane transformation in animals’ treatment. Common visual welfare practices by professionals and veteri...
Poster
Full-text available
Introduction Sensory properties in beer can be affected by factors, such as type of fermentation, style, and chemical composition. This study aimed to analyze physicochemical composition of commercial beers with different fermentation types and styles and to evaluate potential associations with sensory affective responses. Methods Six beers were st...
Article
The social isolation settings derived from the COVID-19 pandemic affected the standard sensory evaluation techniques used in the food and beverage industry. This situation forced companies and researchers to assess other options to continue conducting these tests in remote contactless locations. This study aimed to evaluate two sets of samples (i)...
Article
Full-text available
Olive oil industries success depends on provenance and quality-trait consistency affecting consumers acceptability/preference and purchase intention. Companies rely on laboratories to analyze samples to assess consistency within production chain, which may be time-consuming, cost-restrictive and untimely obtaining results, making the process more r...
Article
Full-text available
Aroma and other physicochemical parameters are important attributes influencing consumer perception and acceptance of rice. However, current methods using multiple instruments and laboratory analysis make these assessments costly and time-consuming. Therefore, this study aimed to assess rice quality traits of 17 commercial rice using a low-cost ele...
Preprint
Journal of Transactions on Image Processing, Manuscript ID: TIP-27416-2022, Status: in-review
Article
Full-text available
Climatic anomalies, such as heatwaves and bushfires, are increasing in number, intensity, and severity worldwide due to climate change. Bushfires are especially important in winemaking countries since smoke contamination can reach vineyards in critical periods of berry development, producing smoke contamination, which is passed to the wine as smoke...
Article
Full-text available
Beer is susceptible to developing different faults (off-flavours/off-aromas) due to its main ingredients and variability in the conditions within the production stages and storage; this is especially challenging for craft breweries. Therefore, it is important to develop novel, rapid, and non-destructive methods for detecting faults. A dry lager bee...
Article
Full-text available
Background Sensory biometrics provide advantages for consumer tasting by quantifying physiological changes and emotional response from participants, removing variability associated with self-reported responses. This study aimed to assess measure the physicochemical composition and consumers' emotional and physiological responses towards different c...
Book
Full-text available
In the food and beverage industries, implementing novel methods using digital technologies such as artificial intelligence (AI), sensors, robotics, computer vision, machine learning (ML), and sensory analysis using augmented reality (AR) has become critical to maintaining and increasing the products’ quality traits and international competitiveness...
Article
Full-text available
The winemaking industry can benefit greatly by implementing digital technologies to avoid guesswork and the development of off-flavors and aromas in the final wines. This research presents results on the implementation of near-infrared spectroscopy (NIR) and a low-cost electronic nose (e-nose) coupled with machine learning to detect and assess wine...
Article
Full-text available
In the food and beverage industries, implementing novel methods using digital technologies such as artificial intelligence (AI), sensors, robotics, computer vision, machine learning (ML), and sensory analysis using augmented reality (AR) has become critical to maintaining and increasing the products’ quality traits and international competitiveness...
Article
Full-text available
This study aimed to evaluate the influence of origin information on Pinot Noir wine labels using eye-tracking and its associations with purchase intent, hedonic, and subconscious emotional responses. Two studies were carried out on untrained university staff and students within 20 – 60 years old. Study 1 was conducted to assess consumers (N = 55; 5...
Article
Full-text available
Wildfires are an increasing occurrence throughout the world. Grapevine smoke exposure can result in wines characterized by unpalatable smoke aromas. Current chromatographic techniques to assess levels of smoke-derived compounds in berries and wine are destructive, expensive to operate and time-consuming. This research assessed the use of near-infra...
Chapter
Packaging creates the first impression from consumers when selecting commercial food or beverages. Different packaging components are important as they contain all areas of interest related to branding, shape, design, and nutritional information, which could determine willingness to purchase and success of products in the market. However, tradition...
Article
While starting a new 2021-22 grape-growing season in Australia, potential climatic anomalies such as bushfires are in the consciousness of many grape growers and winemakers. Increasing ambient temperatures has resulted in associated climatic anomalies, such as extreme wildfires in Australia, California, Siberia, Greece and Turkey as forecasted and...
Article
Full-text available
New and emerging non-invasive digital tools, such as eye-tracking, facial expression and physio-logical biometrics, have been implemented to extract more objective sensory responses by panelists from packaging and, specifically, labels. However, integrating these technologies from different company providers and software for data acquisition and an...
Article
Full-text available
Berry cell death assessment can become one of the most objective parameters to assess important berry quality traits, such as aroma profiles that can be passed to the wine in the winemaking process. At the moment, the only practical tool to assess berry cell death in the field is using portable near-infrared spectroscopy (NIR) and machine learning...
Poster
Full-text available
The latest pandemic due to COVID-19 appearance in 2020 has led to lockdown worldwide, which have affected companies and universities conducting sensory evaluation. Therefore, a novel method to conduct sensory sessions in isolation has been developed. This consists of using communication software such as Zoom and online software such as Google forms...
Poster
Full-text available
Beer is susceptible to develop different faults (off-flavours/off-aromas) due to the nature of its main ingredients and variability in the conditions within the production stages and storage; this is especially challenging for craft breweries. Therefore, it is important to develop novel, rapid and non-destructive methods for detection of faults. A...
Poster
Full-text available
Climatic anomalies, such as heatwaves and bushfires, are increasing in number, intensity, and severity worldwide due to climate change. Bushfires are especially important in winemaking countries since smoke contamination can reach vineyards in critical periods of berry development, producing smoke contamination, which is passed to the wine as smoke...
Article
Full-text available
New and emerging technologies, especially those based on non-invasive video and thermal infrared cameras, can be readily tested on robotic milking facilities. In this research, implemented non-invasive computer vision methods to estimate cow’s heart rate, respiration rate and abrupt movements captured using RGB cameras and machine learning modellin...
Article
Full-text available
Beer is susceptible to developing different faults (off-flavours/off-aromas) due to its main ingredients and variability in the conditions within the production stages and storage; this is especially challenging for craft breweries. Therefore, it is important to develop novel, rapid, and non-destructive methods for detecting faults. A dry lager bee...
Article
Full-text available
The recent pandemic due to the appearance of COVID-19 in 2020 has led to lockdowns worldwide, which have affected companies and universities conducting sensory evaluations. Therefore, a novel method to conduct sensory sessions for descriptive and consumer tests using biometrics in isolation has been developed.
Article
Full-text available
Rice quality assessment is essential for meeting high-quality standards and consumer demands. However, challenges remain in developing cost-effective and rapid techniques to assess com-mercial rice grain quality traits. This paper presents the application of computer vision (CV) and machine learning (ML) to classify commercial rice samples based on...
Poster
Full-text available
Psychophysiology, the study of the physiological bases of psychological states, has long been a mainstay in traumatic stress research. However, traditional approaches can be impractical in some situations and require specialised equipment, limiting their point-of-care potential. Advances in imaging, signal processing and machine learning techniques...
Article
Full-text available
Advances in early insect detection have been reported using digital technologies through camera systems, sensor networks, and remote sensing coupled with machine learning (ML) modeling. However, up to date, there is no cost-effective system to monitor insect presence accurately and insect-plant interactions. This paper presents results on the imple...
Article
Full-text available
Wine aroma is an important quality trait in wine influenced by its volatile compounds. Many factors can affect the composition and levels (concentration) of volatile aromatic compounds, in-cluding the water status of grapevines, canopy management and the effects of climate change, such as increases in ambient temperature and drought. In this study,...
Article
Full-text available
Beer is one of the most popular beverages worldwide. As a product of variable agricultural ingredients and processes, beer has high molecular complexity. We used DIA/SWATH-MS to investigate the proteomic complexity and diversity of 24 commercial Australian beers. While the overall complexity of the beer proteome was modest, with contributions from...
Article
Full-text available
The incidence and intensity of bushfires is increasing due to climate change, resulting in a greater risk of smoke taint development in wine. In this study, smoke tainted and non-smoke tainted wines were subjected to treatments using activated carbon with/without the addition of a cleaving enzyme treatment to hydrolyze glycoconjugates. Chemical mea...
Article
Full-text available
Early detection of beer faults is an important assessment in the brewing process to secure a high-quality product and consumer acceptability. This study proposed an integrated AI system for smart detection of beer faults based on the comparison of near-infrared spectroscopy (NIR) and a newly developed electronic nose (e-nose) using machine learning...
Conference Paper
Full-text available
Climate change has posed major risks for viticulture and winemaking around the world, related to increased ambient temperatures, the variability of rain events, higher occurrence and intensity of climatic anomalies, such as frosts and bushfires. These changes have directly impacted grapevine phenology by compressing stages and pushing forward in ti...
Article
New and emerging digital technologies have been implemented in sensory science, which minimize subjectivity and biases in data acquisition and interpretation compared to traditional methods. These technologies have enabled the incorporation physiological and emotional responses of panelists elicited by food, beverage, and packaging stimuli through...
Article
Full-text available
Aroma is one of the main attributes that consumers consider when appreciating and selecting a coffee; hence it is considered an important quality trait. However, the most common methods to assess aroma are based on expensive equipment or human senses through sensory evaluation, which is time-consuming and requires highly trained assessors to avoid...
Article
Full-text available
Grapevine smoke exposure and the subsequent development of smoke taint in wine has resulted in significant financial losses for grape growers and winemakers throughout the world. Smoke taint is characterized by objectional smoky aromas such as "ashy", "burning rubber", and "smoked meats", resulting in wine that is unpalatable and hence unprofitable...
Article
Full-text available
Labels concepts, information, logo, figures, and colors for beverages are critical for consumer perception, preference, and purchase intention. This is especially relevant for new beverage products. During social isolation, many sensory laboratories were unable to provide services, making virtual sensory sessions relevant to study different label c...
Article
Full-text available
Climate change forecasts higher temperatures in urban environments worsening the urban heat island effect (UHI). Green infrastructure (GI) in cities could reduce UHI by regulating and reducing ambient temperatures. Forest cities (i.e. Melbourne, Australia) aimed for large-scale planting of trees to adapt to climate change in the next decade. Theref...
Article
Full-text available
Live sheep export has become a public concern. This study aimed to test a non-contact biometric system based on artificial intelligence to assess heat stress of sheep to be potentially used as automated animal welfare assessment in farm and while in transport. Skin temperature (°C) from head features were extracted from infrared thermal videos (IRT...
Article
Full-text available
Beer quality is a difficult concept to describe and assess by physicochemical and sensory analysis due to the complexity of beer appreciation and acceptability by consumers, which can be dynamic and related to changes in climate affecting raw materials, consumer preference, and rising quality requirements. Artificial intelligence (AI) may offer uni...
Article
Full-text available
The number and intensity of wildfires are increasing worldwide, thereby also raising the risk of smoke contamination of grapevine berries and the development of smoke taint in wine. This study aimed to develop five artificial neural network (ANN) models from berry, must, and wine samples obtained from grapevines with different levels of smoke expos...
Article
Eating is a multimodal sensory experience, affected by several variables, such as environment, contextual situations or culture. A limitation with traditional consumers testing is that isolated booth environments lack ecological validity and consumer’s engagement in forming perceptions. Virtual reality (VR) is an emerging method to simulate differe...
Article
Full-text available
Wildfires are an increasing problem worldwide, with their number and intensity predicted to rise due to climate change. When fires occur close to vineyards, this can result in grapevine smoke contamination, and subsequently, the development of smoke taint in wine. Currently, there are no in-field detection systems that growers can use to assess whe...
Article
Full-text available
Bushfires are increasing in number and intensity due to climate change. A newly developed low-cost electronic nose (e-nose) was tested on wines made from grapevines exposed to smoke in field trials. E-nose readings were obtained from wines from five experimental treatments: i) low-density smoke exposure (LS), ii) high-density smoke exposure (HS) an...
Article
BACKGROUND Lentil is an important nutritionally rich pulse crop in the world. Despite having a prominent role in human health and nutrition, it is very unfortunate that global lentil production is adversely limited by drought stress, causing a huge decline in yield and productivity. Drought stress can also affect the nutritional profile of seeds. S...
Article
Full-text available
The development of digital tools based on artificial intelligence can produce affordable and accurate methodologies to assess quality traits and sensory analysis of beers. These new and emerging technologies can also assess new products in a near real-time fashion through virtual simulations before the brewing process. This research was based on th...
Article
Full-text available
Insect-based food products offer a more sustainable and environmentally friendly source of protein compared to vegetable and animal proteins. Entomophagy is less familiar for Non-Asian cultural backgrounds and is associated to emotions such as disgust and anger, which is the basis of neophobia towards these products. Common sensory analysis may off...
Article
Full-text available
Important wine quality traits such as sensory profile and color are the product of complex interactions between the soil, grapevine, the environment, management, and winemaking practices. Artificial Intelligence (AI) and specifically Machine Learning (ML) could offer powerful tools to assess these complex interactions and their patterns through sea...
Article
One of the most significant climatic anomalies, related to climate change that is impacting the wine-growing industry is bushfire events. Grapevine smoke contamination and smoke taint in wines are difficult to assess in the vineyards and wineries. Current assessment methods require berry or wine sample collections and specialised laboratory analysi...
Article
Full-text available
Some chemical compounds, especially, alcohol, sugars, and alkaloids such as hordenine, have been reported as elicitors of different emotional responses. This preliminary study was based on six commercial beers selected according to their fermentation type with two beers of each (spontaneous, bottom, and top). Chemometry and sensory analysis were pe...