Effect of the Atmospheric Pressure Cold Plasma Treatment on Tempranillo Red Wine Quality in Batch and Flow Systems

The demand for chemical-free beverages is posing a challenge to the wine industry to provide safe and healthy products with low concentrations of chemical preservatives. The development of new technologies, such as Atmospheric Pressure Cold Plasma (APCP), offers the wine industry the opportunity to contribute to this continuous improvement. The purpose of this research is to evaluate the effect of Argon APCP treatment, applied in both batch and flow systems, on Tempranillo red wine quality. Batch treatments of 100 mL were applied with two powers (60 and 90 W) at four periods (1, 3, 5, and 10 min). For flowing devices, 750 mL of wine with a flow of 1.2 and 2.4 L/min were treated at 60 and 90 W for 25 min and was sampled every 5 min. Treatments in batch resulted in wines with greater color intensity, lower tonality, and higher content in total phenolic compounds and anthocyanins, so that they were favorable for wine quality. Among the batch treatments, the one with the lowest power was the most favorable. Flow continuous treatments, despite being more appropriate to implement in wineries, neither led to significant improvements in the chromatic and phenolic wine properties nor caused wine spoilage.

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A E-Business Case of Study

International Journal of Knowledge Society Research ◽

10.4018/ijksr.2017070101 ◽

2017 ◽

Vol 8 (3) ◽

pp. 1-20

Author(s):

Maria Vargas-Vera ◽

Camilo Salles ◽

Joaquin Parot ◽

Sebastian Letelier

Keyword(s):

Chemical Composition ◽

Red Wine ◽

Business Case ◽

Order Logic ◽

Wine Industry ◽

First Order Logic ◽

Qualitative Properties ◽

Wine Quality ◽

First Order

The main purpose of this research was to find relations between the chemical composition of the wines and the wine testers' opinions on the wine quality. We used in our study a dataset which contains examples of red wine from Vinho Verde, Portugal. Firstly, we did an analysis on the attributes of the examples, in the dataset, to find correlations between quantitative and qualitative properties in wines. Secondly, we performed clustering using the algorithms k-means and x-means. Additionally, we used the J48 algorithm for getting a decision tree and then to extract first order logic rules. We concluded that, there is a relation between physicochemical properties and quality of wines. This result opens the possibility of further analysis and perhaps this could lead to use fewer wine testers and therefore, our research could bring benefit to the wine industry.

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Emerging Trends in Beverage Processing

Beverages ◽

10.3390/beverages7010008 ◽

2021 ◽

Vol 7 (1) ◽

pp. 8

Author(s):

Antonio Morata

Keyword(s):

Hydrostatic Pressure ◽

Electric Field ◽

Atmospheric Pressure ◽

Cold Plasma ◽

Food Industry ◽

New Technologies ◽

Pulsed Electric Field ◽

Ultrahigh Pressure ◽

Pulsed Light ◽

Emerging Trends

Beverage processing is open to new technologies; among them, nonthermal physical technologies such as discontinuous hydrostatic pressure (HHP), ultrahigh-pressure homogenization (UHPH), pulsed electric field (PEF), ultrasound (US), atmospheric pressure cold plasma (APCP), or pulsed light (PL) are growing increasingly in the food industry [...]

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Addition of Grape Skin and Stems Extracts in Wines during the Storage to Reduce the Sulfur Dioxide: Impact on Red Wine Quality

International Journal of Environmental Research and Public Health ◽

10.3390/ijerph18052783 ◽

2021 ◽

Vol 18 (5) ◽

pp. 2783

Author(s):

Rocío Casquete ◽

María José Benito ◽

Francisco Pérez-Nevado ◽

Ana Martínez ◽

Alberto Martín ◽

...

Keyword(s):

Pathogenic Bacteria ◽

Red Wine ◽

Antioxidant Activities ◽

Wine Industry ◽

Total Phenolic ◽

Skin Extract ◽

Red Wines ◽

Wine Production ◽

Microbiological Stability ◽

By Products

This study aimed to evaluate the usefulness of bioactive extracts obtained from red wine by-products, such as grape skins and stems, for reducing or eliminating the use of SO2 in red wine production. Special attention was focused on guaranteeing the microbiological stability of the red wines and protecting them against oxidation. Therefore, the antioxidant and antimicrobial activities of the extracts and red wines were studied. Red grape stems and skins, by-products of the wine industry, from six types of monovarietal wines, were used. Extracts obtained from stems displayed higher concentrations of total phenolic compounds and higher in vitro antioxidant activity. Both stem and skin extracts demonstrated higher antimicrobial activity against pathogenic bacteria and lower activity against yeasts. In the wines produced, higher antimicrobial and antioxidant activities were observed, mainly in the skin extract batches. This study highlights that bioactive extracts obtained from by-products of wine making could be used to reduce or eliminate the use of SO2 in wine production. In this way, healthier red wines could be obtained while guaranteeing their microbiological stability and protecting them from oxidation. Furthermore, the use of these by-products is strongly associated with the circular economy, as they could help to reduce the environmental impact of the wine industry.

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Effect of high hydrostatic pressure on selected red wine quality parameters

BIO Web of Conferences ◽

10.1051/bioconf/20191202015 ◽

2019 ◽

Vol 12 ◽

pp. 02015

Author(s):

S. Christofi ◽

D. Malliaris ◽

Y. Kotseridis ◽

E. Panagou ◽

N. Proxenia ◽

...

Keyword(s):

Acetic Acid ◽

Hydrostatic Pressure ◽

High Hydrostatic Pressure ◽

Red Wine ◽

Quality Parameters ◽

Wine Industry ◽

Wine Quality ◽

Yellow Colour ◽

Total Anthocyanin ◽

Phenolic Contents

The aim of this work was to examine the possible use of High Hydrostatic Pressure (HHP) as an alternative method for wine preservation, which could also lead to the production of wines with reduced amounts of SO2. For this purpose, red wine samples containing 0 ppm, 30 ppm, 60 ppm and 100 ppm of sulphur dioxide (SO2) were subjected to pressure of 350 MPa for 10 min at 8 ∘C. A second set of samples containing only SO2 was used as control. Colour parameters, acetic acid, total anthocyanin and phenolic contents and antioxidant activity were determined over a period of twelve months. During the first four months, most of the differences observed regarding the chemical composition of the pressurized and unpressurized wines were not statistically significant. However, after the period of six months, the pressurized samples in general were characterized by higher average values % yellow colour and acetic acid and lower of % red colour, total anthocyanin and phenolic content compared to the non-pressurized ones. The results obtained could be a possible indication that HHP could accelerate the polymerization reactions reducing the time needed for wine ageing. HHP combined with reduced SO2 contents might be a promising technology for wine industry.

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The Dilemma between Aligned Expectations and Diversity in Innovation

10.1093/oso/9780198820802.003.0014 ◽

2018 ◽

Author(s):

Timur Ergen

Keyword(s):

New Technologies ◽

Historical Case ◽

History Of Capitalism ◽

Synthetic Fuel ◽

The Us ◽

History Of ◽

The One ◽

Technology Policies ◽

Lock In ◽

Innovation Processes

This chapter brings together arguments from economics, sociology, and political economy to show that innovation processes are characterized by a dilemma between the advantages of aligned expectations—including greater coordination and investment—and those of diversity, including superior openness to new technological possibilities. To illustrate the argument, the chapter discusses a historical case involving one of the largest coordinated peace-time attempts to hasten technological innovation in the history of capitalism, namely the US energy technology policies of the 1970s and 1980s. Close examination of the commercialization of photovoltaics and synthetic fuel initiatives illustrates both sides of the dilemma between shared versus diverse expectations in innovation: coordination but possible premature lock-in on the one hand, and openness but possible stagnation on the other. The chapter shows that even the exploration and interpretation of new technologies may be as much a product of focused investment as of trial-and-error search.

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Somatic variants for seed and fruit set in grapevine

BMC Plant Biology ◽

10.1186/s12870-021-02865-2 ◽

2021 ◽

Vol 21 (1) ◽

Author(s):

Laura Costantini ◽

Paula Moreno-Sanz ◽

Chinedu Charles Nwafor ◽

Silvia Lorenzi ◽

Annarita Marrano ◽

...

Keyword(s):

Single Nucleotide Polymorphisms ◽

Fruit Set ◽

Climatic Factors ◽

Embryo Sac ◽

Wine Industry ◽

Nucleotide Polymorphisms ◽

Wine Quality ◽

Single Nucleotide ◽

Germplasm Collections

Abstract Background Grapevine reproductive development has direct implications on yield. It also impacts on berry and wine quality by affecting traits like seedlessness, berry and bunch size, cluster compactness and berry skin to pulp ratio. Seasonal fluctuations in yield, fruit composition and wine attributes, which are largely driven by climatic factors, are major challenges for worldwide table grape and wine industry. Accordingly, a better understanding of reproductive processes such as gamete development, fertilization, seed and fruit set is of paramount relevance for managing yield and quality. With the aim of providing new insights into this field, we searched for clones with contrasting seed content in two germplasm collections. Results We identified eight variant pairs that seemingly differ only in seed-related characteristics while showing identical genotype when tested with the GrapeReSeq_Illumina_20K_SNP_chip and several microsatellites. We performed multi-year observations on seed and fruit set deriving from different pollination treatments, with special emphasis on the pair composed by Sangiovese and its seedless variant locally named Corinto Nero. The pollen of Corinto Nero failed to germinate in vitro and gave poor berry set when used to pollinate other varieties. Most berries from both open- and cross-pollinated Corinto Nero inflorescences did not contain seeds. The genetic analysis of seedlings derived from occasional Corinto Nero normal seeds revealed that the few Corinto Nero functional gametes are mostly unreduced. Moreover, three genotypes, including Sangiovese and Corinto Nero, were unexpectedly found to develop fruits without pollen contribution and occasionally showed normal-like seeds. Five missense single nucleotide polymorphisms were identified between Corinto Nero and Sangiovese from transcriptomic data. Conclusions Our observations allowed us to attribute a seedlessness type to some variants for which it was not documented in the literature. Interestingly, the VvAGL11 mutation responsible for Sultanina stenospermocarpy was also discovered in a seedless mutant of Gouais Blanc. We suggest that Corinto Nero parthenocarpy is driven by pollen and/or embryo sac defects, and both events likely arise from meiotic anomalies. The single nucleotide polymorphisms identified between Sangiovese and Corinto Nero are suitable for testing as traceability markers for propagated material and as functional candidates for the seedless phenotype.

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Electrical Supply Circuit for a Cold Plasma Source at Atmospheric Pressure Based on a Voltage Multiplier

Polymers ◽

10.3390/polym13132132 ◽

2021 ◽

Vol 13 (13) ◽

pp. 2132

Author(s):

Ovidiu S. Stoican

Keyword(s):

Atmospheric Pressure ◽

Cold Plasma ◽

Plasma Source ◽

Electrical Circuit ◽

Jet Formation ◽

Voltage Multiplier ◽

Voltage Output ◽

Intermediate Output ◽

Electrical Supply ◽

Lower Voltage

A cold plasma source operating at atmospheric pressure powered by a voltage multiplier is reported. In addition to its usual high voltage output, there is an intermediate output of lower voltage and higher current capability. A discharge current is drawn from both outputs. The ratio of the current supplied by each output depends on the operating state, namely, before or after the plasma jet formation. The electrical circuit is equivalent to two dc sources connected in parallel, used to initiate and sustain the electrical discharge. The plasma source is aimed to study the effect of cold plasma on the surface of various liquid or solid materials, including polymers.

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Is There a Predisposition towards the Use of New Technologies within the Traffic Field of Emerging Countries? The Case of the Dominican Republic

Electronics ◽

10.3390/electronics10101208 ◽

2021 ◽

Vol 10 (10) ◽

pp. 1208

Author(s):

Francisco Alonso ◽

Mireia Faus ◽

Cristina Esteban ◽

Sergio A. Useche

Keyword(s):

Dominican Republic ◽

Road Safety ◽

New Technologies ◽

Technological Development ◽

Personal Data ◽

Emerging Countries ◽

Level Of Knowledge ◽

One Year ◽

The One ◽

And Control

Technological devices are becoming more and more integrated in the management and control of traffic in big cities. The population perceives the benefits provided by these systems, and, therefore, citizens usually have a favorable opinion of them. However, emerging countries, which have fewer available infrastructures, could present a certain lack of trust. The objective of this work is to detect the level of knowledge and predisposition towards the use of new technologies in the transportation field of the Dominican Republic. For this study, the National Survey on Mobility was administered to a sample of Dominican citizens, proportional to the ONE census and to sex, age and province. The knowledge of ITS topics, as well as the use of mobile applications for mobility, are scarce; however, there was a significant increase that can be observed in only one year. Moreover, technology is, in general, positively assessed for what concerns the improvement of the traffic field, even though there is a lack of predisposition to provide one’s personal data, which is necessary for these devices. The process of technological development in the country must be backed up by laws that protect the citizens’ privacy. Thus, technologies that can improve road safety, mobility and sustainability can be implemented in the country.

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High Potential of Pichia kluyveri and Other Pichia Species in Wine Technology

International Journal of Molecular Sciences ◽

10.3390/ijms22031196 ◽

2021 ◽

Vol 22 (3) ◽

pp. 1196

Author(s):

Javier Vicente ◽

Fernando Calderón ◽

Antonio Santos ◽

Domingo Marquina ◽

Santiago Benito

Keyword(s):

Ethanol Yield ◽

Color Stability ◽

Quality Parameters ◽

Wine Industry ◽

Wine Aroma ◽

Wine Quality ◽

Promising Tool ◽

Pichia Kluyveri ◽

The Impact ◽

Fermentative Yeast

The surfaces of grapes are covered by different yeast species that are important in the first stages of the fermentation process. In recent years, non-Saccharomyces yeasts such as Torulaspora delbrueckii, Lachancea thermotolerans, Metschnikowia pulcherrima, and Pichia kluyveri have become popular with regard to winemaking and improved wine quality. For that reason, several manufacturers started to offer commercially available strains of these non-Saccharomyces species. P. kluyveri stands out, mainly due to its contribution to wine aroma, glycerol, ethanol yield, and killer factor. The metabolism of the yeast allows it to increase volatile molecules such as esters and varietal thiols (aroma-active compounds), which increase the quality of specific varietal wines or neutral ones. It is considered a low- or non-fermentative yeast, so subsequent inoculation of a more fermentative yeast such as Saccharomyces cerevisiae is indispensable to achieve a proper fermented alcohol. The impact of P. kluyveri is not limited to the grape wine industry; it has also been successfully employed in beer, cider, durian, and tequila fermentation, among others, acting as a promising tool in those fermentation processes. Although no Pichia species other than P. kluyveri is available in the regular market, several recent scientific studies show interesting improvements in some wine quality parameters such as aroma, polysaccharides, acid management, and color stability. This could motivate yeast manufacturers to develop products based on those species in the near future.

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