如何鑒別真假黑米？
用手搓:用手搓大米，看看手上有沒有染料。如果有黑色染料，就是假米。
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鼻聞:正宗黑米用溫水浸泡後有天然的米香味，染色米有異味。
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看顏色:正宗的黑米皮有光澤，顏色深且淺，而染色的黑米無光澤，顏色壹致。
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看表皮:正宗黑米的表皮呈片狀，有指甲。如果是粉狀的，就是劣質黑米。
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看米心:正宗黑米的米心是白色的。普通大米的米心是透明無色的。染色黑米如果用普通大米染色，染料的顏色會滲入米心，變成黑色。
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看泡飯水:正宗黑米的泡飯水是紫紅色的，稀釋後也是紫紅色或微紅。如果泡出來的水像墨水壹樣稀釋後還是黑色的，那壹定是假米。
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加白醋:黑米水遇堿會變綠，遇酸會變紅。正宗的黑米水遇到酸會立刻變紅。將壹些黑米隨機放入杯中，將白醋倒入杯中，充分攪拌。過壹會兒，白醋變紅成真黑米，變黑成假黑米。少量的紅黑米是提取花青素後再染黑造成的。
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黑米是壹種藥食兩用的大米，屬於糯米。黑米是禾本科水稻長期栽培形成的特色品種。籽粒類型有秈稻和粳稻兩種，籽粒品質分為糯性和非糯性。糙米是黑色或深棕色的。
黑米色澤黝黑，營養豐富，有“黑珍珠”、“世界米中之王”的美譽。我國很多地方都產，如陜西黑米、貴州黑糯米、湖南黑米等。食用價值高。除了煮粥，還可以做各種營養食品，釀酒。