Abstract
Egg and fruiting body of bamboo mushroom at the concentrations of 0, 0.8, 1 and 3% (w/v) were added during encapsulation of Lactobacillus acidophilus TISTR 2365 in alginate beads. The influence of addition of co-encapsulated, encapsulated and free probiotic cells on the microbiological, physico-chemical, antioxidant and sensory properties of Khoa-Mak sap beverages during storage at 4 °C for 35 days were investigated. All encapsulation formulations indicated high encapsulation yields of 95.72–98.86% and also influenced positively several characteristics such as ethanol, titratable acidity, reducing sugar, probiotic survival and sensory properties. High viability of L. acidophilus (> 8 log CFU/g) in all bead formulations was maintained above the recommended minimum therapeutic throughout storage of Khoa-Mak sap beverages. Moreover, the incorporation of bamboo mushroom, particularly 3% egg stage in beads (AEB3) increased the survival of L. acidophilus in Khoa-Mak saps during storage. The addition of either egg or fruiting body of bamboo mushroom from 0.8 to 3% in beads resulted in the significant increasing of total phenolic contents and their DPPH radical scavenging activities, and also without negative impact sensory attributes.


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The datasets analyzed during the current study are available from the corresponding author on reasonable request. All data analyzed during this study are included in this published article.
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Minitab software version 18 (IP 10.18.0.20).
Abbreviations
- EB:
-
Egg of bamboo mushroom
- FB:
-
Fruiting body of bamboo mushroom
- AG:
-
Alginate bead containing probiotic without bamboo mushroom
- AEB0.8:
-
Alginate bead containing probiotic and 0.8% EB
- AEB1:
-
Alginate bead containing probiotic and 1% EB
- AEB3:
-
Alginate bead containing probiotic and 3% EB
- AFB0.8:
-
Alginate bead containing probiotic and 0.8% FB
- AFB1:
-
Alginate bead containing probiotic and 1% FB
- AFB3:
-
Alginate bead containing probiotic and 3% FB
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The authors wish to thank Prof. Dr. Frederick W.H. Beamish, Faculty of Science, Burapha University for English proofreading.
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NS conceived the idea, carried out the experiments and wrote the manuscript. Asst. Prof. Dr. MN edited the manuscript. Asst. Prof. Dr. SJ supervised the work and revised the manuscript.
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The biosafety was conducted following approval by the Biosafety Committee of Burapha University, Thailand (Ethics approval number: IBC 015/2563). The sensory evaluation was managed following approval by the Human Ethics Committee of Burapha University, Thailand (Ethics approval number: G-HS 037/2563).
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Srisuk, N., Nopharatana, M. & Jirasatid, S. Co-encapsulation of Dictyophora indusiata to improve Lactobacillus acidophilus survival and its effect on quality of sweet fermented rice (Khoa-Mak) sap beverage. J Food Sci Technol 58, 3598–3610 (2021). https://doi.org/10.1007/s13197-021-05101-9
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DOI: https://doi.org/10.1007/s13197-021-05101-9


