Effect of Supplementation of Freshly Pressed Carrot Juice with Rhus coriaria L. on Changes in Juice Quality

Author:

Osmólska EmiliaORCID,Stoma MonikaORCID,Sagan AgnieszkaORCID,Chudzik Barbara,Starek-Wójcicka AgnieszkaORCID

Abstract

The creation of an environmentally friendly food system involves, e.g., the production of safe and healthy food and the reduction of its waste. Therefore, the main aim of this research was to determine the effect of the addition of ground sumac powder (in the amount of 0.5, 1.5, and 3.0 g/100 mL) on the physicochemical properties of freshly pressed carrot (Daucus carota L.) juice and to obtain a product with extended shelf life. The analyses revealed the multiplication of microorganisms in the control juice samples during storage and the inhibition of the multiplication in the sumac-enriched samples. After 72 h, the addition of sumac in the amount of 0.5, 1.5, and 3 g reduced the total number of microorganisms by 1.7, 2.9, and 3.1 log10 CFU/g, respectively, compared to the control. The supplementation of carrot juice with sumac in the amount of 3% increased the content of carotenoids and polyphenolic compounds on the first day of storage by 23% and 40%, respectively, compared to the control sample. The addition of sumac to the carrot juice extended the shelf life of the product with a simultaneous significant increase in polyphenols classified as health-promoting substances.

Publisher

MDPI AG

Subject

Management, Monitoring, Policy and Law,Renewable Energy, Sustainability and the Environment,Geography, Planning and Development,Building and Construction

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