Process:

        from brewer’s yeast, processed by roller drying.

Feature:

        contain yeast cell wall, rich in protein, nucleic acid, vitamin and trace element

Application:

        antibiotics, nucleotides, polyunsaturated fatty acid(PUFA), fungus, biopesticides, etc.

Representative customers:

        1. Abamectin

        2. Spiramycin

Feature of customers:

        large scale fermentation of antibiotics

Demand of customers:

        1. Require the balance between growth and titer

        2. Relatively sensitive to the price