... , xanthic acid, polypeptide, oligo peptide Main composition: Seventeen elementary amino acids, nucleotide, xanthic acid, polypeptide, oligo peptide, oligose, polyose and compleyes ... of trace elements.Physical properties: A liquid, green and brown with jam flavour. Specific gravity: 1:1 ... .0% and water-insoluable matter≤5.0%. plant amino acid liquid fertilizer