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Fresh purple potato powder is a kind of purple potato as raw material, which is made by soaking and refining, pressing and dewatering, kneading, steaming, and extrusion. It is a smooth and refreshing food that people like. It is widely eaten in the south, and it is gradually popularized and promoted all over the country.
Purple potato flour is widely used in the baking industry. The most common ones in the market are purple potato bread, purple potato toast, purple potato biscuits, purple potato anhydrous cake and purple potato cookies. Purple potato powder can also be added as a raw material to solid beverages, such as purple potato milk tea, purple potato soy milk and other whole grain beverages.
Fresh purple potato powder is a kind of purple potato as raw material, which is made by soaking and refining, pressing and dewatering, kneading, steaming, and extrusion. It is a smooth and refreshing food that people like. It is widely eaten in the south, and it is gradually popularized and promoted all over the country.
Purple potato flour is widely used in the baking industry. The most common ones in the market are purple potato bread, purple potato toast, purple potato biscuits, purple potato anhydrous cake and purple potato cookies. Purple potato powder can also be added as a raw material to solid beverages, such as purple potato milk tea, purple potato soy milk and other whole grain beverages.
ITERMS | SPECIFICATION | METHOD | |
Identification | Positive | TLC | |
Appearance | Purple Red Powder | Visual | |
Assay | Anthocyanidins≥10% | UV | |
Loss on drying (5g) | NMT 5% | USP34-NF29<731> | |
Ash (2g) | NMT 5% | USP34-NF29<281> | |
Total heavy metals | NMT 10.0ppm | USP34-NF29<231> | |
Arsenic (As) | NMT 2.0ppm | ICP-MS | |
Cadmium(Cd) | NMT 1.0ppm | ICP-MS | |
Lead (Pb) | NMT 1.0ppm | ICP-MS | |
Mercury (Hg) | NMT 0.3ppm | ICP-MS | |
Solvent residues | USP & EP | USP34-NF29<467> | |
Pesticides Residues | |||
666 | NMT 0.2ppm | GB/T5009.19-1996 | |
DDT | NMT 0.2ppm | GB/T5009.19-1996 | |
Total heavy metals | NMT 10.0ppm | USP34-NF29<231> | |
Arsenic (As) | NMT 2.0ppm | ICP-MS | |
Cadmium(Cd) | NMT 1.0ppm | ICP-MS | |
Lead (Pb) | NMT 1.0ppm | ICP-MS | |
Mercury (Hg) | NMT 0.3ppm | ICP-MS | |
Microbiological | |||
Total Plate Count | 1000cfu/g Max. | GB 4789.2 | |
Yeast & Mould | 100cfu/g Max | GB 4789.15 | |
E.Coli | Negative | GB 4789.3 | |
Staphylococcus | Negative | GB 29921 |
ITERMS | SPECIFICATION | METHOD | |
Identification | Positive | TLC | |
Appearance | Purple Red Powder | Visual | |
Assay | Anthocyanidins≥10% | UV | |
Loss on drying (5g) | NMT 5% | USP34-NF29<731> | |
Ash (2g) | NMT 5% | USP34-NF29<281> | |
Total heavy metals | NMT 10.0ppm | USP34-NF29<231> | |
Arsenic (As) | NMT 2.0ppm | ICP-MS | |
Cadmium(Cd) | NMT 1.0ppm | ICP-MS | |
Lead (Pb) | NMT 1.0ppm | ICP-MS | |
Mercury (Hg) | NMT 0.3ppm | ICP-MS | |
Solvent residues | USP & EP | USP34-NF29<467> | |
Pesticides Residues | |||
666 | NMT 0.2ppm | GB/T5009.19-1996 | |
DDT | NMT 0.2ppm | GB/T5009.19-1996 | |
Total heavy metals | NMT 10.0ppm | USP34-NF29<231> | |
Arsenic (As) | NMT 2.0ppm | ICP-MS | |
Cadmium(Cd) | NMT 1.0ppm | ICP-MS | |
Lead (Pb) | NMT 1.0ppm | ICP-MS | |
Mercury (Hg) | NMT 0.3ppm | ICP-MS | |
Microbiological | |||
Total Plate Count | 1000cfu/g Max. | GB 4789.2 | |
Yeast & Mould | 100cfu/g Max | GB 4789.15 | |
E.Coli | Negative | GB 4789.3 | |
Staphylococcus | Negative | GB 29921 |