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Oxygen Radical Absorption Capacity
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抗氧化劑及常見之抗氧化 活性評估方法
www.taiwan-pharma.org.tw目前國際流行用ORAC（oxygen radical absorption capacity，氧自由基 吸收能力）來表示抗氧化能力，ORAC 是以每100公克食物中所能吸收自由基 的數量作為測量標準，所以我們可以 說，ORAC值越高，則抑制自由基的 抗氧化能力就越強。常見抗氧化劑的 ORAC如下︰維生 …
Question paper (A-level) : Paper 2 Organic and physical ...
filestore.aqa.org.uk*10* IB/M/Jun18/7405/2 Do not write outside the box . 0 4 Compounds A and B react together to form an equilibrium mixture containing compounds C and D according to the equation 2A + B ⇌ 3 C + D 0 4 . 1 A beaker contained 40 cm 3 of a 0.16 mol dm – aqueous solution of A. 9.5 × 10–3 mol of B and 2.8 × –10 2 mol of C were added to the beaker and the mixture