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北京石油化工学院2026年研究生招生接收调剂公告
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MZH.

铜虫 (初入文坛)

[求助] 乳化活性EAI计算公式 已有1人参与

EAI=4.606×A×dilution factor/(C×F×10000),请问这个公式里的dilution factor是怎么算的,是蛋白溶液的稀释倍数吗还是要加上油的体积?

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南纬27度

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【答案】应助回帖

感谢参与,应助指数 +1
dilution factor是整个乳液体系的稀释倍数,如下陈述:
The EAI and ESI values of emulsifiers were determined following a method described elsewhere (Pearce and Kinsella, 1978, Tan et al., 2014). Emulsion (100 μL) was prepared using the method described in section 2.8.1 with the emulsifier to oil ratio at 2:1. The emulsion was diluted 500 times with sodium dodecyl sulfate solution (0.1%, w/w), and measured by a UV–Vis spectrophotometer at 500 nm.
因此此时的稀释倍速应该是500
参考文献:
Effect of pH and ionic strength on the emulsifying properties of two Octenylsuccinate starches in comparison with gum Arabic

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MZH.

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2楼: Originally posted by 南纬27度 at 2020-08-26 02:16:08
dilution factor是整个乳液体系的稀释倍数,如下陈述:
The EAI and ESI values of emulsifiers were determined following a method described elsewhere (Pearce and Kinsella, 1978, Tan et al., 2014). Emulsi ...

好的好的,谢谢

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