Aquatic yeast

Functions:

Providing Nutrition and Promoting Absorption: Yeasts are rich in nutrients such as proteins, polysaccharides, nucleic acids, B vitamins, digestive enzymes, and growth-promoting factors. They can enhance the digestion and absorption of aquatic animals, improve the utilization rate of feed, and promote the growth of various aquatic animals. The cell walls of yeasts are rich in mannooligosaccharides, which can increase the length of the microvilli in the intestines of aquatic animals, improve the morphology of the microvilli, and expand the area of the intestinal folds, facilitating the digestion and absorption of nutrients in the intestines.

Inhibiting Pathogenic Bacteria and Regulating the Intestinal Microecological Balance: Yeasts are facultative anaerobes. They can consume the oxygen in the gastrointestinal tracts of aquatic animals, promote the growth and reproduction of lactic acid bacteria, and inhibit the growth of aerobic bacteria, thus promoting the intestinal microecological balance of aquatic animals. They can also provide nutritional factors such as amino acids, vitamins, and pyruvates for the growth and reproduction of lactic acid bacteria, promote the growth of lactic acid bacteria, reduce the pH of the gastrointestinal tract, and regulate the normal operation of the gastrointestinal functions. In addition, the structure of the mannooligosaccharides on the cell walls of yeasts is similar to the receptor structure of pathogenic bacteria on the intestinal wall. Some pathogenic bacteria can agglutinate on the mannans on the outer layer of the cell walls of yeasts, thereby blocking their colonization on the intestinal wall and reducing the number of intestinal pathogenic bacteria.

Enhancing Immunity: β-glucan and mannooligosaccharides are the effective components of the cell walls of yeasts. β-glucan can activate macrophages and enhance the function of the non-specific immune system of aquatic animals. Mannooligosaccharides can also enhance the non-specific immune function of the bodies of aquatic animals by increasing the phagocytic ability of white blood cells and the activity of lysozyme in aquatic animals.

Adsorbing Mycotoxins: Substances such as polysaccharides, proteins, and lipids on the cell walls of yeasts can adsorb and degrade mycotoxins through ionic bonds, hydrogen bonds, and hydrophobic forces.