1. Observation color: The real millet flour should be light yellow or light brown, while the dyed millet flour usually presents a dark color, and some even approach black.
2. Smell: Fresh millet flour has a unique millet fragrance, while dyed millet flour has a pungent smell.
3. Try the taste: The real millet flour tastes delicate and slightly sweet, while the dyed millet flour may be slightly bitter or astringent.
4. Observe the state after adding water: put a handful of millet flour into clear water, and the fresh millet flour will not form a lump when stirring, but will be scattered and the water color will not be yellow. However, the dyed millet flour will form a lump when stirred, and the water color is yellow.
The above are some methods to distinguish the authenticity of millet flour, and I hope it will help you.