Ume is not sour, may be washed with alkaline water. If you buy umeboshi from a big pharmacy, it's usually real. Here are some of the ways to recognize a blackberry.

First of all, from the appearance of the shape, the genuine umeboshi for the class round or irregular oblate spherical, while the fake for the oblate or class round slightly flat. The surface of the genuine umeboshi is extremely wrinkled, while the surface of the counterfeit is flatter and the wrinkles are not obvious. Second, from the color, the genuine brown-black to black, while the fake gray-brown or black-brown. Third, from the kernel, the genuine kernel surface has numerous dots, while the fake kernel edge is thicker and have grooves, no dots on the surface. Fourth, from the odor to distinguish, the genuine taste extremely acidic, there is a smoky gas, while the fake only a little sour taste, its acidity is far less than the plum. Fifth, the pH value of the solution can be measured with test paper, the genuine pH value of 2.7, while the fake 3.27 to 3.82. By comparing the above five points, you can distinguish the authenticity of umeboshi

Distinguish for yourself! ~ A little bit complicated

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