| Issue |
BIO Web Conf.
Volume 48, 2022
The 2nd International Conference “Sport and Healthy Lifestyle Culture in the XXI Century” (SPORT LIFE XXI)
|
|
|---|---|---|
| Article Number | 02009 | |
| Number of page(s) | 9 | |
| Section | Actual Issues of Healthy Food Production from Vegetable Raw Materials | |
| DOI | https://doi.org/10.1051/bioconf/20224802009 | |
| Published online | 29 June 2022 | |
Comparative study of micronutrient content in soft rice beverages based on green and black tea
1
Graduate School of Biotechnologies and Food Science, Institute of biomedical systems and biotechnologies, Peter the Great St. Petersburg Polytechnic University, 29, Polytekhnicheskaya, St. Petersburg, 195251, Russia
2
Department of Cancer Chemoprevention and Oncopharmacology, N.N.Petrov National Medical Research Center of Oncology, 68, Leningradskaya ul., Pesochnyi, St. Petersburg, 197758, Russia
3
Private University “Saint-Petersburg Medico-Social Institute”, 72, Kondratievsky Avenue, build. A, St. Petersburg, 195271, Russia
Soft beverages based on rice (“rice milk”) are hypoallergenic, increase immunity, supply the body with energy, and normalize the nervous system. Earlier, we developed soft rice beverage recipes based on boiled rice filtrate, green (black) tea water concentrate, stevia extract as a natural sweetener. Physico-chemical analysis of the content of micronutrients in soft rice-tea beverages was carried out. Comparative analysis of content of vitamins E (alpha-tocopherol) and C (ascorbic acid) showed that vitamins are presented in both types of beverages during production, but in different amounts. The rice beverage combined with green tea concentrate contains 1.33 times more potassium ions and 1.13 times less magnesium ions than the beverage based on black tea. The rice beverage combined with black tea contains 3.81 times more sodium ions compared to the beverage based on green tea. There were no significant differences in the number of magnesium ions. Both samples contained traces of manganese and iron ions. The produced soft rice-tea beverages with stevia extract could be recommended as a functional food.
© The Authors, published by EDP Sciences, 2022
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