云南五种野生蔬菜维生素C含量的测定及比较
应用2、6-二氯酚靛酚标准溶“滴定法”测定臭菜、刺五加、车前草、枸杞、灰条菜中维生素C的含量。结果表明:5种野生蔬菜在常温、煮沸15min和煮沸30min,维生素C的含量依次是:臭菜(284.50mg/100g),刺五加(81.10mg/100g),车前草(23.10mg/100g),枸杞(23.07mg/100g),灰条菜(20.67mg/100g)。同时证实:5种野生蔬菜的维生素C含量随着温度升高而分解,在高温沸腾条件下剧烈减少。...
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Veröffentlicht in: | 楚雄师范学院学报 2009-03, Vol.24 (3), p.57-63 |
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description | 应用2、6-二氯酚靛酚标准溶“滴定法”测定臭菜、刺五加、车前草、枸杞、灰条菜中维生素C的含量。结果表明:5种野生蔬菜在常温、煮沸15min和煮沸30min,维生素C的含量依次是:臭菜(284.50mg/100g),刺五加(81.10mg/100g),车前草(23.10mg/100g),枸杞(23.07mg/100g),灰条菜(20.67mg/100g)。同时证实:5种野生蔬菜的维生素C含量随着温度升高而分解,在高温沸腾条件下剧烈减少。 |
doi_str_mv | 10.3969/j.issn.1671-7406.2009.03.011 |
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title | 云南五种野生蔬菜维生素C含量的测定及比较 |
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