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GMU:DIY Biolab “Driver’s License”/Yang Li (view source)
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== Using red cabbage solution as an indicator to check coffee pH level == | == Using red cabbage solution as an indicator to check coffee pH level == | ||
1. '''Introduction''' | '''1. '''Introduction'''''' | ||
1.1 red cabbage | 1.1 red cabbage | ||
"Red cabbage is rich in a number of bioactive substances, including anthocyanins"[Wiczkowski, 2012]. | "Red cabbage is rich in a number of bioactive substances, including anthocyanins"[Wiczkowski, 2012]. | ||