The lotus root powder of instant lotus root powder is required as long as the content of lotus root powder is ≥40%.

According to the national specification of lotus root powder GBT 25733-2010, as long as the content of lotus root powder particles is ≥50%, it can be called pure lotus root powder, while instant lotus root powder requires only ≥40% lotus root powder content. In the commodity labeling "100% pure" is an important way for consumers to identify the true and false lotus root powder, because there is no indication of purity, as long as ≥ 50% can be called pure lotus root powder.

Machine streamlined production, so that the lotus root powder counterfeiting has a simpler way. For example, through the high-speed operation of the machine, lotus root powder can be mixed with some inferior starch.

Because the cost of pure lotus root flour made from lotus root is too high, many merchants will cut the cost of lotus root flour among them in order to get more profit. As a result, the quality of lotus root flour, which is what it is, suffers.

For example, the national standard of lotus root powder, lotus root powder that the content of typical starch particles need to reach 50%, is the indicator of pure lotus root powder. And reaching 40 percent is the corresponding indicator for instant lotus root powder.

True lotus root powder contains a lot of iron and reducing sugar and other ingredients, after brewing and air contact, it is very easy to oxidize, so that the color of the powder from white and turn slightly red. Fake lotus root powder (such as sweet potato, potato, Pueraria lobata and other starch) does not have this change, are pure white or slightly yellow; if this type of starch is rose red, is added to the food coloring.