Fruit growing
and viticulture of South Russia

Annotation

The article presents the results of a study of the clarification ability properties of bentonites from BIOrost LLC (Russia), whose products are vinobent and bentovine, in comparison with bentonite activatit (Germany) when processing white and red table wine materials. When processing the white table wine materials, the best results were obtained when using the options 1, 2 (both BentoVinum Gold) and 4 (bentovin). When they were used according to the degree of clarification, results were obtained that were identical to the control (Germany activit). BentoVinum Gold bentonites, bentovin, vinobent and activit (control) had the highest sorption capacity in relation to suspensions of wine. When processing red table wine materials, it has been established that bentonites with high lightening ability � BentoVinum Gold, bentovin, vinobet and activit (control) � remove more that one phenolic substances. Therefore, when processing the red wines with these minerals, it is necessary to carry out the test pasting at lower dosages of bentonites. It was established that the degree of dispersion (particle size) in the case of BentoVinum Gold bentonite had no effect on the clarification ability of the mineral: identical results were obtained for both particle sizes. In case of the use of bentovin and, especially, vinobent with a decrease in particle size, the clarifications ability was improved. Analysis of the experimental data suggests that as a result of contact with the analyzed bentonites, the wine materials were enriched with sodium and calcium cations. This is due to the presence of mobile sodium ions (in sodium forms) and calcium (calcium bentonites) in the interlayer of the mineral and their exchange for the corresponding components of wine. It has been proven that BentoVinum Gold, bentovin, vinobent can be used for import substitution.

Annotation

The leading company for the processing of clay minerals (bentonites) in Russia is BIOROST LLC, whose products � vinoobent and bentovin � are in demand in the market for alcoholic products. The development is carried out of bentonite BentoVinum Gold, Republic of Kazakhstan. Earlier studies have shown the expendiency of bentonites using � BentoVinum Gold, bentovin, vinobet and activite (control) � clarification the white and red table wine materials. The purpose of this work is to establish the optimal technological dosages of bentonites for processing wines of various types and to assess the stability (resistance to bottle) of the processed wines. Untreated white (Sauvignon blanc) and red (Cabernet-Sauvignon) table wine materials were used as objects of research. The treatment was carried out with 10% wine-water suspensions of bentonites or join with a 1% solution of gelatin. The dosage of bentonites ranged from 1 to 5 g / dm3, gelatin � from 5 to 200 mg / dm3. It has been established that the use of BentoVinum Gold bentonite provided the crystal clearness of wine materials with the smallest technological dosages and minimum volumes of thick sediments. Bentovin showed a high lightening ability, especially with a mineral particle size of less than 0.05 mm. When join-processing wine materials with bentonite and gelatin, a decrease in dosages of both sorbents was observed. The optimum dosages of the studied bentonites were established when processing white and red table wine materials. The obtained results testify to the high stabilizing ability of complex processing of table wine materials with BentoVinum Gold bentonite: wine materials have been resistant to bottle for a long time, the samples of red wine materials were more resistant to colloid turbidity. When using bentovin and vinobent, the stability of the wine was maintained for 6-8 months. The studied bentonites are recommended for use in Russian wine-making in order to replace imported analogues.