如何辨别普洱茶上的白点是霉斑还是晶霜？

1，看:从茶饼上看，产生“霜”的茶饼是干的，股股比较紧，因为构成“霜”的物质大部分都是如上所述结晶出来的，而结晶现象的原因是失水。模具是在比较潮湿的环境下生产的，整个茶饼会显得潮湿，饼形松散，绳子不紧。

至于茶饼上的青色、绿色、红色等五颜六色的物质，还是不喝的好。自然法则是物质越亮，越危险。

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2.触摸:霉变产生的霉变菌落也会是白色的，但是霉变的霉菌摸起来很润很滑。“白霜”摸起来是干的，会有纹理或者小颗粒感，有的摸起来会很滑，但那种滑是干的滑，不像发霉的滑。

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3.气味:闻起来像“霜”没有明显的气味。发霉的白色发霉菌落有刺鼻或难闻的气味。

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4.溶解:从茶饼中取出一些白色物质，放入装有温水的无色玻璃杯中。真正的“白霜”可以像盐一样溶于水，而霉菌不会。

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