INFLUENCE OF BENTONITE CLAYS ON THE MINERAL COMPOSITION OF RED TABLE WINES

Author(s):  
А.Г. АБАКУМОВ ◽  
З.А. ТЕМЕРДАШЕВ ◽  
Н.М. АГЕЕВА

Использование суспензий бентонитовых глин при обработке виноматериалов в процессе их осветления и стабилизации оказывает влияние на минеральный состав вин. Виноматериалы могут обогащаться катионами металлов, оказывающими разнонаправленное влияние на качество и розливостойкость вина. Исследованы изменения элементного состава виноматериалов в результате их обработки 32 образцами бентонитовых глин различных торговых марок. Объектами исследования были образцы виноматериалов из винограда сортов Каберне-Совиньон, Мерло и Молдова, собранного на территории Краснодарского края в 2019 г. Методами ИСП-АЭС и ИСП-МС определен элементный состав виноматериалов до обработки суспензиями бентонитовых глин и после нее. Установлено, что обработка бентонитовыми глинами привела к изменению концентраций практически всех определяемых элементов в образцах виноматериалов. Во всех образцах виноматериалов после обработки снизились концентрации B, Cu, Zn и увеличились концентрации Ag, Al, Cd, Ni, Na, Sb, Sn, Pb, Ti, Fe. As и Hg не были обнаружены ни в исходных, ни в обработанных образцах виноматериалов. Концентрации As, Cd, Hg, Pb, которые регламентируются в Российской Федерации, во всех обработанных образцах виноматериалов были существенно ниже установленного максимального уровня. Концентрации других элементов – Ag, B, Cu, Na, Zn, Ni, нормируемых в документах ЕС и МОВВ, в исследованных обработанных образцах виноматериалов оказались также значительно ниже нормативов. Таким образом, все исследованные бентонитовые глины могут быть рекомендованы к использованию при производстве вин. The use of suspensions of bentonite clays in the processing of wines in order to clarify and stabilize them has a significant effect on the mineral composition of wines. In this case, wines can be enriched with metals cations, which have a different effect on the quality and persistence of wine. Changes in the elemental composition of wine materials as a result of their treatment with 32 samples of bentonite clays of various brands were studied. The objects of the study were samples of wine materials from grapes of the varieties Cabernet Sauvignon, Merlot and Moldova, collected on the territory of the Krasnodar region in 2019. The methods of ICP-NPP and ICP-MS were used to determine the elemental composition of wine materials before and after treatment with bentonite clay suspensions. It was found that the treatment with bentonite clays led to a change in the concentrations of almost all detectable elements in the samples of wine materials. In all samples of wine materials after treatment, the concentrations of B, Cu, Zn decreased and the concentrations of Ag, Al, Cd, Ni, Na, Sb, Sn, Pb, Ti, Fe. As and Hg were not detected in either the initial or treated samples of wine materials. The concentrations of As, Cd, Hg, Pb, which are regulated in the Russian Federation, in all processed samples of wine materials were significantly lower than the established maximum level. The concentrations of other elements – Ag, B, Cu, Na, Zn, Ni, normalized in the EU and the International Organization of Vine and Wine documents, in the studied processed samples of wine materials were also significantly lower than the standards. Thus, all the studied bentonite clays can be recommended for use in the production of wines.

Beverages ◽  
2018 ◽  
Vol 4 (4) ◽  
pp. 85 ◽  
Author(s):  
Sofia Catarino ◽  
Manuel Madeira ◽  
Fernando Monteiro ◽  
Ilda Caldeira ◽  
Raúl Bruno de Sousa ◽  
...  

The control of geographic origin is one of a highest priority issue regarding traceability and wine authenticity. The current study aimed to examine whether elemental composition can be used for the discrimination of wines according to geographical origin, taking into account the effects of soil, winemaking process, and year of production. The elemental composition of soils, grapes, musts, and wines from three DO (Designations of Origin) and for two vintage years was determined by using the ICP-MS semi-quantitative method, followed by multivariate statistical analysis. The elemental composition of soils varied according to geological formations, and for some elements, the variation due to soil provenance was also observed in musts and wines. Li, Mn, Sr and rare-earth elements (REE) allowed wine discrimination according to vineyard. Results evidenced the influence of winemaking processes and of vintage year on the wine’s elemental composition. The mineral composition pattern is transferred through the soil-wine system, and differences observed for soils are reflected in grape musts and wines, but not for all elements. Results suggest that winemaking processes and vintage year should be taken into account for the use of elemental composition as a tool for wine traceability. Therefore, understanding the evolution of mineral pattern composition from soil to wine, and how it is influenced by the climatic year, is indispensable for traceability purposes.


2020 ◽  
Vol 79 (Suppl 1) ◽  
pp. 1289.1-1290
Author(s):  
S. De Souza ◽  
R. Williams ◽  
E. Johansson ◽  
C. Zabalan ◽  
T. Esterine ◽  
...  

Background:Patient and public involvement (PPI) is gaining increasing recognition as important in ensuring research is relevant and acceptable to participants. Rheuma Tolerance for Cure (RTCure) is a 5 year international collaboration between academia and industry; focusing on earlier detection and prevention of rheumatoid arthritis (RA) through the use of immune-tolerising treatments.Objectives:To bring lived experience and insight into scientific discussions; and to evolve collaboration between lay representatives and academia/industry.Methods:9 Patient Research Partners (PRPs) from 5 European countries were recruited via the EULAR PARE Network and institutions within the RTCure Consortium (8 PRPs with RA and 1 ‘at risk’). They were asked to enter into a legal agreement with the Consortium. PRPs participated in teleconferences (TCs) and were invited to attend face-to-face (F2F) meetings at least annually. Requests for input/feedback were sent from researchers to PRPs via the project’s Patient Engagement Expert [SK].Results:PRP involvement has given researchers and industry partners a new perspective on patient priorities, and focused thought on the ethics of recruitment for and participation in clinical trials of people ‘at risk’ of developing RA. PRPs have helped define the target populations, given their thoughts on what types of treatments are acceptable to people ‘at risk’ and have aided the development of a survey (sent to EULAR PARE members) regarding the use of animal models in biomedical research. Positive informal feedback has been received from researchers and industry regarding the contribution of PRPs to the ongoing project (formal evaluation of PPI in RTCure will be carried out in 2020 and at the project end in 2022).Challenges:Legal agreements- Many PRPs refused to sign the Consortium’s complex PRP Agreement; feeling it unnecessary, incomprehensible and inequitable. After extensive consultation with various parties (including EULAR and the Innovative Medicines Initiative) no similar contract was found. Views for its requirement even varied between legal experts. After 2 years of intense discussion, a simple non-disclosure agreement was agreed upon. Ideally any contract, if required, should be approved prior to project onset.Meeting logistics- Other improvements identified were to locate the meeting venue and accommodation on the same site to minimise travel, and to make it easier for PRPs to take breaks when required. This also facilitates informal discussions and patient inclusivity. We now have agreed a policy to fund PRPs extra nights before and after meetings, and to bring a carer if needed.Enabling understanding– Future annual meetings will start with a F2F meeting between PRPs and Work Package Leads. Researchers will be encouraged to start presentations with a summary slide in lay language. Additionally, an RTCure Glossary is in development.Enabling participation– SK will provide monthly project updates and PRP TCs will be held in the evening (as some PRPs remain employed). PRPs will be invited to all project TCs and F2F meetings. Recruitment is underway to increase the number of ‘at risk’ PRPs as their viewpoint is vital to this study.Conclusion:Currently PPI in RTCure is an ongoing mutual learning process. Universal guidance regarding what types of contracts are needed for PPI would be useful. Communication, trust and fruitful discussions have evolved through F2F meetings (both formal and informal) between PRPs, academia and industry. It is important that all parties can be open with each other in order to make PPI more meaningful.Acknowledgments:This work has received support from the EU/EFPIA Innovative Medicines Initiative 2 Joint Undertaking RTCure grant number 777357.Disclosure of Interests:Savia de Souza: None declared, Ruth Williams: None declared, Eva Johansson: None declared, Codruta Zabalan: None declared, Tom Esterine: None declared, Margôt Bakkers: None declared, Wolfgang Roth: None declared, Neil Mc Carthy: None declared, Meryll Blake: None declared, Susanne Karlfeldt: None declared, Martina Johannesson: None declared, Karim Raza Grant/research support from: KR has received research funding from AbbVie and Pfizer, Consultant of: KR has received honoraria and/or consultancy fees from AbbVie, Sanofi, Lilly, Bristol-Myers Squibb, UCB, Pfizer, Janssen and Roche Chugai, Speakers bureau: KR has received honoraria and/or consultancy fees from AbbVie, Sanofi, Lilly, Bristol-Myers Squibb, UCB, Pfizer, Janssen and Roche Chugai


Healthcare ◽  
2021 ◽  
Vol 9 (3) ◽  
pp. 312
Author(s):  
Marijana Sinđić ◽  
Draženka Mačak ◽  
Nikola Todorović ◽  
Bianka Purda ◽  
Maja Batez

Integrated neuromuscular training (INT) showed benefits for improving fundamental movement skills (FMS). However, the INT health-related fitness (HRF) effects are lacking. The current study aimed to determine the effects of INT implemented during physical education (PE) in a primary school in the Republic of Serbia on HRF in female children. The sample consisted of 72 healthy girls who were divided into the intervention (EG: n = 37; mean ± SD: age = 8.17 ± 0.31) and control (CG: n = 35; age = 8.11 ± 0.31) groups. The EG and CG performed the INT program and traditional PE activities two times per week within the first ~15 min of PE class, respectively. The Fitnessgram battery tests assessed the HRF (body composition, cardiorespiratory endurance, muscular fitness, and flexibility) before and after the program. After eight weeks, the EG significantly reduced all fat measures, while the CG decreased only triceps skinfold but to a smaller extent (F = 5.92, p < 0.02, ŋ2 = 0.09). Both groups significantly improved the performance of almost all muscular fitness tests (curl-ups, trunk lift, push-ups); however, the EG increased the push-ups more than the CG (F = 9.01, p < 0.01, ŋ2 = 0.14). The EG additionally improved the modified pull-ups (F = 14.09, p < 0.01, ŋ2 = 0.19) and flexed arm hang (F = 28.82, p < 0.01, ŋ2 = 0.33) tests. The flexibility and cardiorespiratory endurance of both groups did not significantly change after eight weeks. This approach of exercise showed positive acceptance and relatively good results after only eight weeks.


2021 ◽  
Vol 13 (15) ◽  
pp. 8316
Author(s):  
Camelia Mirela Baba ◽  
Constantin Duguleană ◽  
Marius Sorin Dincă ◽  
Liliana Duguleană ◽  
Gheorghița Dincă

The Covid-19 induced economic crisis has significantly affected almost all businesses from nearly every sector, causing severe financial problems, lack of cash assets, and decrease of revenues. In this context, the economic entities were forced to look for adjustment and rescue solutions of their activities. One possible solution for the recovery and reorganization of economic entities’ activities is demerger. This paper evaluates the impact of demerger upon the sustainable development of economic entities in terms of economic efficiency and financial performances. To achieve this goal, a statistical analysis of profitability ratios before and after the demerger, as well as a structural analysis of 268 demerger projects for the April 2012–April 2021 period, were performed. The results attest there are no significant differences between the ex-ante and ex-post financial performances. However, demerger seems to have a positive effect upon analyzed companies helping them to overcome economic hardships, rethink their business strategies, and continue their activity in the medium and long-term time horizon.


2020 ◽  
pp. 1-8
Author(s):  
Silvano Gallus ◽  
Elisa Borroni ◽  
Chiara Stival ◽  
Sharanpreet Kaur ◽  
Sofia Davoli ◽  
...  

Abstract Objective: Previous studies from European countries noted that food products promoted on TV for children did not comply with international guidelines, including the World Health Organization European Nutrient Profile Model (WHO-ENPM) and the EU Pledge Nutrition Criteria (EU-PNC, an initiative developed by leading food companies). We aim to provide new data from Italy. Design: Evaluation of Italian TV advertisements. Data on nutritional values for food product advertised were compared with nutritional standards issued by the WHO-ENPM and the EU-PNC. Setting: In total, 180 h of TV programmes from six Italian channels, 2016–2017. Participants: Eight hundred and ten consecutive advertisements during children’s programmes. Results: Out of 810 advertisements, 90 (11·1 %) referred to food products. Among these, 84·5 % of the foods promoted did not meet the WHO-ENPM and 55·6 % the EU-PNC guidelines. Advertisements promoting sweet and salty snacks (i.e. ≥ 70 % of all foods) v. other food products showed higher non-compliance with both the WHO-ENPM (OR: 73·8; 95 % CI: 4·09, 1330) and the EU-PNC (OR: 9·21; 95 % CI: 2·82, 30·1). Conclusions: In Italy, most food advertisements during children’s programmes are not compliant with European nutritional standards. Almost all the advertisements for snacks do not meet international guidelines. As the WHO-ENPM guidelines do not propose standards for all the food products, including meals, there is an urgent need to define independent and easy-to-read guidelines for food advertisements targeting children. As a first step towards the complete ban of food advertisements targeting children recommended by other researchers, these guidelines should be enforced by all the TV broadcasts.


2020 ◽  
Vol 9 (1) ◽  
pp. 36
Author(s):  
Katerina V. Sazanova (nee Barinova) ◽  
Marina S. Zelenskaya ◽  
Vera V. Manurtdinova ◽  
Alina R. Izatulina ◽  
Aleksei V. Rusakov ◽  
...  

The pattern of elements accumulation in biodeposits formed by living organisms and extracellular products of their metabolism (biofouling, primary soils) on different bedrocks (of the monuments of Historical necropoleis in Saint Petersburg) were studied by a complex of biological and mineralogical methods (optical microscopy, SEM, EDX, XRD, ICP MS, XRFS). The content of 46 elements in biodeposits with various communities of microorganisms is determined. The model recreating the picture of the input and selective accumulation of elements in biodeposits on the stone surface in outdoor conditions is assumed. It is shown that the main contribution to the elemental composition of biodeposits is made by the environment and the composition of the microbial community. The contribution of leaching under the action of microbial metabolites of mineral grains, entering biodeposits from the environment, is significantly greater than that of the underlying rock.


Minerals ◽  
2020 ◽  
Vol 10 (11) ◽  
pp. 934
Author(s):  
Evangelos Tzamos ◽  
Micol Bussolesi ◽  
Giovanni Grieco ◽  
Pietro Marescotti ◽  
Laura Crispini ◽  
...  

The importance of magnesite for the EU economy and industry is very high, making the understanding of their genesis for the exploration for new deposits a priority for the raw materials scientific community. In this direction, the study of the magnesite-hosting ultramafic rocks can be proved very useful. For the present study, ultramafic rock samples were collected from the magnesite ore-hosting ophiolite of the Gerakini mining area (Chalkidiki, Greece) to investigate the consecutive alteration events of the rocks which led to the metallogenesis of the significant magnesite ores of the area. All samples were subjected to a series of analytical methods for the determination of their mineralogical and geochemical characteristics: optical microscopy, XRD, SEM, EMPA, ICP–MS/OES and CIPW normalization. The results of these analyses revealed that the ultramafic rocks of the area have not only all been subjected to serpentinization, but these rocks have also undergone carbonation, silification and clay alteration. The latter events are attributed to the circulation of CO2-rich fluids responsible for the formation of the magnesite ores and locally, the further alteration of the serpentinites into listvenites. The current mineralogy of these rocks was found to be linked to one or more alteration event that took place, thus a significant contribution to the metallo- and petrogenetic history of the Gerakini ophiolite has been made. Furthermore, for the first time in literature, Fe inclusions in olivines from Greece were reported.


2019 ◽  
Vol 55 (2) ◽  
pp. 1900941 ◽  
Author(s):  
Charis Girvalaki ◽  
Manolis Tzatzarakis ◽  
Alexander Vardavas ◽  
Christina N. Kyriakos ◽  
Katerina Nikitara ◽  
...  

2015 ◽  
Vol 29 (5) ◽  
pp. 397-404 ◽  
Author(s):  
Jon Cornwall ◽  
Jodyanne Kirkwood ◽  
Gavin J. Clark ◽  
Stephen Silvey ◽  
Ruth D. Appleby ◽  
...  

The SEED (Student Enterprise Experience in Dunedin) programme was developed as a four-week, intensive entrepreneurial ‘boot camp’ to provide a small group of participants with a highly experiential business course. Using pre-course and post-course surveys, the authors measured the entrepreneurial ability, knowledge and intentions of the sixteen SEED participants to determine whether the programme was successful as an educational format. The results showed that perceived entrepreneurial ability and knowledge significantly improved, while intent increased but not significantly. Almost all participants intended to start a business both before and after the course, while twice as many (six) indicated that they would undertake further formal study in entrepreneurship after the course compared to before. The data suggest that SEED is filling a niche in entrepreneurial development and support for budding entrepreneurs, with the course also facilitating local business development.


Cephalalgia ◽  
2006 ◽  
Vol 26 (10) ◽  
pp. 1192-1198 ◽  
Author(s):  
P Zeeberg ◽  
J Olesen ◽  
R Jensen

It is generally accepted that ongoing medication overuse nullifies the effect of prophylactic treatment, although few data support this contention. We set out to describe the treatment outcome in patients withdrawn from medication overuse and relate any improvement to a renewed effect of prophylaxis. For patients with probable medication-overuse headache (pMOH), treated and dismissed from the Danish Headache Centre in 2002 and 2003, we assed, from prospective headache diaries, the headache frequency before and after withdrawal of offending drugs and compared these frequencies with the headache frequency at dismissal. Among 1326 patients, 337 had pMOH. Eligible were 175, mean age 49 years, male/female ratio 1: 2.7. Overall, there was a 46% decrease in headache frequency from the first visit to dismissal ( P < 0.0001). Patients with no improvement 2 months after complete drug withdrawal ( N = 88) subsequently responded to pharmacological and/or non-pharmacological prophylaxis with a 26% decrease in headache frequency as measured from the end of withdrawal to dismissal ( P < 0.0001). At dismissal, 47% were on prophylaxis. Former non-responders to medical prophylaxis had a 49% decrease in headache frequency from first visit to dismissal ( P < 0.0001), whereas those who had never received prophylaxis had a 56% reduction ( P < 0.0001). This difference was not statistically significant ( P = 0.22). Almost all MOH patients benefit from drug withdrawal, either just from the withdrawal or by transformation from therapeutic non-responsiveness to responsiveness. According to the International Classification of Headache Disorders, 2nd edn, the MOH diagnosis requires improvement after drug withdrawal. Our data suggest that these diagnostic criteria are too strict.


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