Sweet potato starch Moisture: 16%max. Ash Content: <0. 25% Acidity: 6 Re:Sweet potato starch ... RHM 002-20051, Moisture::≤ 16% .2, The white degree( blue light reflectivity of 400 NMs),% ≥ :89.00 3, Thin degree,%:( M ... .54 Spot quantity : A /m2 =1.005, Acidity,% : ≤ 15.006, Ash,%: ≤ 0.257, Protein,% : ≤ 0.558, Fat,% : ≤ 0.409, Glue ... SAFE, HACCP, ISO 9001:2000, QS-9000. sweet potato starch food grade