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腊梅花坯含水量对精油品质及物质组分的影响

花匠小妙招
2024-12-15 13:38

摘要: 本文采用超临界CO2萃取技术研究腊梅花坯含水量对精油品质及物质组分的影响。结果表明,随着腊梅花坯含水量的降低,精油综合品质发生了较大的变化,表现出先下降后升高再下降的趋势,以腊梅花坯含水量分别在78.3%和28.0%时萃取的精油品质较好。花坯含水量较高（59.9%78.3%）时,萃取精油的主要成分变化较大,随水分含量的降低,萃取精油的物质组分逐渐趋于稳定;在各处理的精油物质组分中,共有的大类物质主要有醇类、酯类、烯烃类、酚类、烷烃类和酮类六类,相对含量较高的成分有:氧化芳樟醇和苯甲醇。花坯含水量为28.0%和44.7%时,物质的种类较多,达到62种;花坯含水量为59.9%时的物质种类较少,为45种。

关键词: 腊梅花坯 / 含水量 / 精油 / 品质 / 组分

Abstract: The passage study the effects of moisture contents of Chimonanthus praecox decorated ware on essential oils quality and substance components by supercritical CO_2 extraction technique. The result showed that with the reduction of moisture contents of Chimonanthus praecox decorated ware,the quality of essential oils had changed a lot,suggested that going down first and then going up,going down at last,the quality of essential oils was better when moisture contents of Chimonanthus praecox decorated ware was on 78.3% or 28.0%.When moisture contents of Chimonanthus praecox decorated ware was higher( 59.9% ~78.3%),the main components of extracted essential oils changed much,with the decline of moisture content,the material composition of extracted essential oils tended to stabilize gradually. The material composition of extracted essential oils mainly included alcohols,esters,alkenes,phenols,alkanes and ketones,and the content of Trans- α,α- 5- trimethyl- 5- vinyl-tetrahydronaphthalene-2- furanmethanol( linalool oxide) and Benzyl alcohol was more.When the moisture content of decorated ware was on 28.0% or 44.7%,the kinds of substances was most,up to 62 kinds.When moisture contents of decorated ware was on 59.9%,the kinds of substances was less,45 kinds.

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