... , xanthic acid, polypeptide, oligo peptide Main composition: Seventeen elementary amino acids, nucleotide, xanthic acid, polypeptide, oligo peptide, oligose, polyose and compleyes ... time: 60 months.Chemical properties: Non-toxic, PH3.5-8, amino acid≥8.0%, trace elements≥2.0% and water-insoluable ...