Journal
BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY
Volume 45, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.bcab.2022.102522
Keywords
Structural characteristic; Health benefit; Mannan oligosaccharide (MOS); Yeast; Palm kernel cake; Copra meal
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Agro-waste and spent yeast are global environmental concerns, but they can produce bioactive mannan oligosaccharides (MOS) that have preventive and control effects against diseases. MOS can interact with body cells, induce immunity, influence enzyme activity, reduce oxidation, and modulate the microbiota. Research on the effects of MOS in humans is limited, highlighting the need for further investigation.
Globally, agro-waste and spent yeast are important environmental concerns. However, these wastes help produce bioactive mannan oligosaccharides (MOS) to prevent or control several dis-eases. The mainstay of MOS intervention in biological properties has been interaction with body cells to induce immunity, influence enzyme activity, reduce oxidation, and modulation the mi-crobiota. MOS occurred as alpha (alpha)-and beta (beta)-MOS based on the glycosidic linkage present in the parent mannan polymer. Hydrolysis of alpha-(1 -> 6) present in the mannan of yeast cell wall pro-duces alpha-MOS, whereas plant mannans linked by beta-(1 -> 4)-glycosidic bonds breakdown to re-lease, mainly beta-MOS. MOS, unlike FOS, is derived from mannan and does not compete with food. The use of Yeast-MOS in poultry farming, aquaculture, and pigs has presented a variety of useful-ness. Yeast MOS improve animal performance by various mechanisms such as reducing harmful bacteria while boosting helpful bacteria, raising villus height while decreasing crypt depth, and altering immunological response, similar to MOS produced from agro-wastes. Meanwhile, there have been few investigations on the effect of these MOS in humans, indicating the need for fur-ther research. A comparative understanding of the structural and biological properties of yeast and plant-derived MOS is thus essential. This paper summarized the most recent literature on the structural characteristics and health benefits of MOS generated from agro-wastes (palm kernel cake and copra meal) and yeast in comparison to other prebiotic oligosaccharides. Also discussed was the notion of MOS's potential postbiotic effects.
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