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Published on: October 25, 2024
Kombucha Tea Fortified With Spirulina Maxima and Haematococcus pluvialis: Impact on Physicochemical Properties,
Ayşe Janseli Denizkara1, Gökhan Akarca1
1Food Engineering Department Afyon Kocatepe University Afyonkarahisar Türkiye.
Abstract:
This study investigated the effect of adding Spirulina maxima and Haematococcus pluvialis microalgae to kombucha tea. Both additives increased membrane weight in a dose-dependent manner. pH decreased with S. maxima and increased with H. pluvialis. Both microalgae significantly improved the overall antioxidant capacity, total phenolic content, and textural properties (cohesiveness, consistency, firmness, and viscosity index) of kombucha samples. S. maxima produced superior physicochemical parameters and organic acid concentrations compared to H. pluvialis. Concentrations of acetic, lactic, gluconic, and D-glucuronic acids were highest in the 4% S. maxima samples. Furthermore, S. maxima promoted the accumulation of several phenolic compounds, including chlorogenic, gallic, caffeic, vanillin, and ferulic acids, whereas H. pluvialis increased the concentrations of astaxanthin, salicylic acid, quercetin, and kaempferol. In contrast, the addition of both microalgae reduced some catechin derivatives. Consequently, the integration of S. maxima and H. pluvialis into kombucha enhanced its nutritional value, antioxidant capacity, and bioactive compound richness.
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