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Please note that all translations are automatically generated. Click here for the English version.
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01:48 min
November 21st, 2023
DOI :
10.3791/200804-v
Transcript
首先,将 50 毫升磷酸钠缓冲液加入 1 克 Gracilaria gracilis 中。匀浆混合物后,使用研钵和研杵将样品浸渍 10 分钟。将溶液转移到试管中,并以 12298g 离心 20 分钟。
合并上清液后,缓慢加入65%硫酸铵,然后离心沉淀沉淀,溶于蒸馏水中。使用管膜对水进行透析24小时,然后冷冻干燥。要掺入提取物,请将其混合在浓度为 0.21% 的酸奶中,将样品储存在 4 摄氏度的单个玻璃烧瓶中直至分析。
要检查酸奶中提取物的颜色稳定性,请使用白色陶瓷板
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