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食物中不同的酸鹼度對花青素的影響
家政科 食品科學實驗工作紙
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班別
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3A
3B
3C
3D
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1. 寫出2種含花青素的食物。
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2. 實驗中使用哪種植物萃取花青素
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3. 實驗中花青素萃取液原色是什麼顏色？
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4. 實驗中花青素萃取液加入酸性食物會轉為什麼顏色？
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5. 實驗中花青素萃取液加入鹼性食物會轉為什麼顏色？
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6. 實驗中，為什麼把小蘇打水加入蜜糖中會呈分層狀態而不會融合？
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7.寫出2種食物是屬於酸性。
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8.寫出2種食物是屬於鹼性。
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9.什麼是花青素？
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10.花青素對人體有什麼好處？
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11. 除了實驗中製作的星空飲品外，你還想到其他利用酸鹼變色可用到的食品製作嗎？
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