Ultrasonic-Assisted Flavonoid Extraction from Ant Nest

N. Indriyani, Yusnita La Goa, Muthmainnah Ely, E. Mendy
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引用次数: 0

Abstract

The extraction of active substances from ant nests can be affected by various extraction methods, whether conventional or sonication. Sample extraction was carried out by maceration and ultrasonic methods with the use of solvents to yield flavonoid compounds. The solvents used were aquadest, 70% ethanol and n-hexane, with a material-to-solvent ratio of 1:50 (w/v). The highest flavonoid content of 14% was obtained by ultrasonic-assisted extraction method,  with aquadest as the solvent and at operating conditions of 24 minutes at a temperature of 40oC. Due to their high aquadest solubility and the presence of one or more sulphate ions that are bound to the hydroxyl phenol or sugar, the flavonoids produced are classified as flavonoid sulphate.
超声辅助提取蚁巢黄酮
从蚁巢中提取活性物质会受到各种提取方法的影响,无论是常规提取还是超声提取。用溶剂浸渍法和超声波法对样品进行提取,得到黄酮类化合物。溶剂为水溶液、70%乙醇和正己烷,料液比为1:50 (w/v)。以aquadest为溶剂,在40℃条件下,超声辅助提取24 min,黄酮类化合物含量最高,为14%。由于其高水溶性和存在一种或多种与羟基酚或糖结合的硫酸盐离子,所产生的类黄酮被归类为类黄酮硫酸盐。
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