How to identify the purity and impurity of lotus root powder

The purity of lotus root powder can be comprehensively judged by observing color, detecting solubility, smelling odor, tasting taste, and checking the ingredient list. Pure lotus root powder has a light pink or light brown color, quickly dissolves in hot water without particles, has a light lotus root fragrance, a delicate taste without impurities, and only contains lotus root starch in the ingredient list.

1. Observing Color

Pure lotus root powder retains the natural pigments of lotus root, and after brewing, it appears light pink or light brown, with a uniform color and no impurities. Poor quality lotus root starch may contain artificial pigments or other starches, resulting in overly bright colors or gray hair. A small amount of lotus root powder can be placed on white paper for comparison. Pure lotus root powder will present a semi transparent texture under natural light, while adulterated products often appear cloudy.

2. Testing solubility

Take a small amount of lotus root powder and pour it into hot water to stir. Pure lotus root powder quickly dissolves into a uniform paste when it comes into contact with water, without obvious clumping or precipitation. Lotus root starch mixed with impurities such as cassava starch has a slow dissolution rate and may result in flocculent or layered structures after stirring. After cooling, the pure lotus root starch gel has a smooth texture, and adulterated products are prone to water precipitation or graininess.

3. Smell

Pure lotus root powder has a unique sweet aroma of lotus root, without any pungent odors. Poor quality products may present unnatural fragrance due to the addition of essence, or musty and rancid smell due to improper storage. You can gently rub lotus root powder in your palm and smell it. Pure lotus root powder has a light and long-lasting odor, while adulterated products are prone to volatile or mixed odors.

4. Tasting Taste

Pure lotus root powder has a smooth and mellow taste after brewing, with a slightly sweet aftertaste and no residue. Lotus root starch mixed with cheap starch often has a powdery or sandy texture, and the sweetness may come from added sugar. After refrigeration, pure lotus root powder still maintains its elasticity, while inferior products are prone to hardening or water leakage.

Fifth, check the ingredient list

Formal product packaging should indicate the ingredients, and pure lotus root starch should only be used as an ingredient. If there are additives such as maltodextrin and edible glue, it is called composite lotus root powder. Pay attention to checking the production license number and implementation standards. Lotus root powder that meets GB/T25733 has a higher purity.

When choosing lotus root starch, it is recommended to choose regular supermarket channels and prioritize purchasing products with complete packaging and recent production dates. Pure lotus root powder is rich in mucin protein and dietary fiber, suitable for people with weak gastrointestinal health, but it is necessary to control the amount consumed at a time to avoid bloating. When brewing, it is recommended to mix a small amount of warm water first and then heat the water. Osmanthus flowers, honey, and other ingredients can be added to enhance the flavor. When storing, it should be sealed and moisture-proof, and consumed as soon as possible after opening to ensure quality.