Fructooligosaccharide (FOS) is made from sugar with biotech fermentation. It enjoys many valuable properties i.e. small dosage, cost-saving, high sweetness, low calorific value and wide application.. Fit for human consumption. Free from any harmful or toxic substances and foreign matter. Colorless or straw yellow powder. No unusual odour and clear sweet, no stink, no unusual taste. Physical & Chemical Quality Total fructo-oligosaccharide: Min 90% PH: 4.5-7.0 Moisture: Max 3.0% Lead (Pb): Max 0.5 mg/kg Arsenic (As): Max 1.0 mg/kg Microbiological Quality Bacterium total: Max 1000 cfu/g E.coli: Max 30 cfu/100g Microzyme: Max 25 cfu/10g Mould: Max 25 cfu/10g Pathogen: Not detective