Interestingly, our research shows that the commercial YCW products collected from different manufacturers, production processes and/or different biomass production, have different effect on mycotoxin absorption. This difference has a direct relation to the integrity of reticular organisation of β-D-glu- cans and the distribution between β-(1,3)- D-glucans and β-(1,6)-D-glucans. This finding is consistent with previous study which was done by Piotrowska et al in 2015 (Table 2). We can see from this study that yeast cell wall fractions and commercial glucan have the highest absorption rate of OTA. While the alkaline extracted-glucan have the lowest as the space structure and reticular organisation been destroyed. Brewer’s yeast has intact space structure of cell wall, but the lack of beta-glucan and binding sides lead to moderate ab- sorbing rate of OTA. These studies indicate that it is very im- portant for our manufacturers to control the production pro- cess to keep integrate space structure as well as a reasonable portion of polysaccharide fraction of the yeast cell wall.
Fighting the toxic effects of mycotoxins In view of this and to achieve higher absorption rate, Angel Yeast produce cell walls from primarily fermented yeast biomass by using specially selected enzymes under controlled processes. The final product YeaMOS has an
integrate structure, balanced content of polysaccharide fraction as well as more exposed binding sites. As yeast cell wall have different features than inorganic compounds and could provide comprehensive benefits for animals. To combine inorganic compounds with organic yeast cell wall is a good idea against the toxic damage of various mycotoxins. Based on this idea, we developed the product Biobon that blends inorganic clay and YeaMOS. The comparative research shows that it has the highest absorption rate on not only AFB, but also the ZEN, DON and OTA.
References are available on request.
Table 2 – Different yeast compounds have different absorption affinity on OTA.
Adsorbent
Dried brewery yeast (DY) Cell wall (CW)
Glucan-alkaline extraction (AG) Glucan – water extraction (WG) Commercial glucan (CG) Source: Piotrowska et al, 2015
Ochratoxin A Adsorption (%) 41.63±0.64a 57.83±1.03b 25.53±1.92c 55.22±1.06d 56.37 ±0.67db
Exposure to mycotoxins can leave animals with depressed production and performance issues.
▶ MYCOTOXINS | NOVEMBER 2021
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