RATIONAL USE OF THE SECONDARY RESOURCES OF THE VINEYARD AND WINEBRANDING INDUSTRY

L A Oganesyants,A L Panasyuk,E I Kuzmina

doi:10.21323/2618-9771-2019-2-2-20-26

Abstract

In the grape processing, secondary resources are primarily the remnants of the generative plant organs (berries) — sweet and fermented husks of grapes, seeds, peels, etc. However, the use of vegetative organs — vines, which are more promising, of grape leaves is promising. It is shown, that red leaves of grape are a source of phenolic compounds, resveratrol and other antioxidants, and also contain activators of enzymes, that cause venotonic and angioprotective properties. The most valuable in this respect are red grape leaves, which grow in covering areas, because on the eve of winter, as a defense against the cold, they accumulate a greater amount of resveratrol. The use of CO2 -extraction technology in the processing of red leaves makes it possible to obtain extraction cake with a high content of biologically active substances due to the destruction of the cell structure during the extraction process. At the same time, the hydrophilic extract of the extraction cake after CO2 -extraction has the greatest value, it is well soluble in water and is intended to enrich the soft juice based on grape juice with biologically active substances. A technology was developed for using CO2 extracts of grape seeds to stabilize margarine emulsions against oxidation and to increase the thermal stability of frying fats.

Highlights

The use of secondary resources is one of the main tasks in ensuring the productivity of processing industries
Dry extracts from red grape leaves of different grape varieties were prepared under laboratory conditions at the All-Russian Research Institute of Medicinal and Aromatic Plants according to the method, described in the Pharmacopoeia of the Russian Federation OFS.1.4.1.0018.15
Every year there are more and more publications about negative adverse reactions caused by taking herbal medicines for several reasons: raw materials quality, method of preparation and chemical composition of the selected BAS, the choice of doses, the method and duration of their use, etc

Summary

Introduction

The use of secondary resources is one of the main tasks in ensuring the productivity of processing industries. It is fundamental, on the one hand, to mitigate the impact on the environment, and on the other, to obtain additional new types of products This is especially relevant in industries engaged in the processing of vegetable raw materials, since the secondary production resources are of biological origin and can be the starting material for food production. Red grape leaves are officially listed in the 9th edition of the French Pharmacopoeia The indications for their use are venous insufficiency, expressed by the symptom of «heavy legs», swelling, and the manifestation of fragility of the vessels and capillaries. The grape plant resists shock from the cold better, producing increased amounts of resveratrol, which makes red leaves a very valuable raw material in terms of the content of biologically active substances.

Materials and Methods

Results and discussion

Conclusion