Sialic acid with high quality 

【Product Name】Sialic Acid Powder 【Product Source】Fermentation（Non-animal） 【Specification】98%   ITEMS STANDARDS Appearance White to off-white crystalline powder Assay ≥98% Loss on Drying ≤2% Optical Rotation -34°～-30° Transmittance ≥99% PH 1.8～2.3 Total Plate Count ≤1,000cfu/g Yeast&Mold ≤100cfu/g E.coli ≤5.0ppb Salmonella ≤5.0ppb   【Product…

Melatonin Pyrroloquinoline Quinone Nicotinamide Mononucleotide Sialic Acid 5-HTP Powder