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Use of Directed Lactic Fermentation to Obtain Plant-Based, Upcycled Beverage from Milk Thistle Endosperm

Author

Listed:
  • Mirosława Teleszko

    (Department of Food Technology and Nutrition, Wroclaw University of Economics and Business, Komandorska 118/120, 53-345 Wroclaw, Poland)

  • Gabriela Haraf

    (Department of Food Technology and Nutrition, Wroclaw University of Economics and Business, Komandorska 118/120, 53-345 Wroclaw, Poland)

  • Adam Zając

    (Department of Bioorganic Chemistry, Wroclaw University of Economics and Business, Komandorska 118/120, 53-345 Wroclaw, Poland)

  • Zbigniew Garncarek

    (Department of Biotechnology and Food Analysis, Wroclaw University of Economics and Business, Komandorska 118/120, 53-345 Wroclaw, Poland)

  • Katarzyna Górska

    (Department of Biotechnology and Food Analysis, Wroclaw University of Economics and Business, Komandorska 118/120, 53-345 Wroclaw, Poland)

  • Grzegorz Krzos

    (Department of Organization Theory and Management, Wroclaw University of Economics and Business, Komandorska 118/120, 53-345 Wroclaw, Poland)

  • Agnieszka Hałaburda

    (Poznan Herbal Company ‘Herbapol’ S.A., Towarowa 47/51, 61-896 Poznan, Poland)

  • Paweł Kotecki

    (Poznan Herbal Company ‘Herbapol’ S.A., Towarowa 47/51, 61-896 Poznan, Poland)

Abstract

This study aimed to evaluate the possibility of using milk thistle endosperm (MTE) extract with a protein content of >2 g/100 mL to obtain a fermented product, an alternative to milk beverages. Directed lactic fermentation with Lacticaseibacillus rhamnosus was carried out. The course of the process was monitored. The changes in pH, the saturation of the medium with dissolved oxygen, and temperature were measured. The values of the main nutritional parameters, silymarin content, amino acid profile/content, and the PDCAAS value (Protein Digestibility-Corrected Amino Acid Score) were determined in the extract before and after fermentation. The lactic acid fermentation of the MTE extract took place in four phases, with the activity of L. rhamnosus being the most intense between 4 and 8 h into the process. As a result of fermentation, there were changes in the total amino acid content in the tested medium, suggesting the catabolism of aspartic acid, arginine, proline, and isoleucine via LAB took place. Particularly significant was the increase in the content of lysine and valine (4.95 and 4.68 g/100 g of total AA, respectively), which are the limiting amino acids in MTE. Although MTE contained approximately 1% silymarin, no presence of this flavonolignan complex was found in the extracts.

Suggested Citation

  • Mirosława Teleszko & Gabriela Haraf & Adam Zając & Zbigniew Garncarek & Katarzyna Górska & Grzegorz Krzos & Agnieszka Hałaburda & Paweł Kotecki, 2024. "Use of Directed Lactic Fermentation to Obtain Plant-Based, Upcycled Beverage from Milk Thistle Endosperm," Sustainability, MDPI, vol. 16(13), pages 1-15, June.
    • Handle: RePEc:gam:jsusta:v:16:y:2024:i:13:p:5342-:d:1420623
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    References listed on IDEAS

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    1. Mirosława Teleszko & Gabriela Haraf & Adam Zając & Grzegorz Krzos, 2023. "Milk Thistle ( Silybum marianum (L.) Gaertner) Endosperm as an Alternative Protein Source for a Sustainable Food System (SFS)—Pilot Studies," Sustainability, MDPI, vol. 15(19), pages 1-13, October.
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