Comparison of Chemical Composition between Kuromoji (Lindera umbellata) Essential Oil and Hydrosol and Determination of the Deodorizing Effect.
Comparison of Chemical Composition between Kuromoji (Lindera umbellata) Essential Oil and Hydrosol and Determination of the Deodorizing Effect.
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DOI：
10.3390/molecules25184195
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发表时间：
2020-09-13
期刊：
影响因子：
--
通讯作者：
Tomisawa T
中科院分区：
文献类型：
--
作者：
Nanashima N;Kitajima M;Takamagi S;Fujioka M;Tomisawa T
黑木（Lindera umbellata）是一种生长在日本各地的树木。黑胡椒精油的成分具有抗肿瘤和芳香疗法的作用。然而，水溶胶的组成，作为精油过程的副产品，是未知的。此外，黑枸杞精油是否具有降血脂作用尚不清楚。因此，本研究的目的是比较黑木精油和水溶胶的化学成分，以及评价前者的除臭效果。采用气相色谱-质谱联用仪（GC-MS）评价样品的化学组成。此外，使用氨、硫化氢、甲基异戊酸和异戊酸，用检测管法研究了黑木精油的挥发效果。芳樟醇是最丰富的成分在两个精油和水溶胶，但它的比例（57.5%）高于水溶胶中的精油（42.8%）。该水溶胶含有较少的化学成分，但较高比例的反式香叶醇和乙醇。此外，精油消除了50%的氨和97.6%或更多的异戊酸。有趣的是，芳樟醇可溶于水溶胶中并且不刺激皮肤。这表明水溶胶可能是一种有效的足部护理产品。
Kuromoji (Lindera umbellata) is a tree that grows throughout Japan. The components of kuromoji essential oil have antitumor and aromatherapy effects. However, the composition of the hydrosol, obtained as a by-product of the essential oil process, is unknown. Furthermore, it is unknown whether kuromoji essential oil has a deodorizing effect. Therefore, the purpose of the current study was to compare the chemical composition of kuromoji essential oil and hydrosol, as well as evaluate the deodorizing effect of the former. The chemical composition of samples was evaluated using gas chromatography–mass spectrometry (GC-MS). Additionally, the deodorizing effect of Kuromoji essential oil was investigated with the detector tube method using ammonia, hydrogen sulfide, methyl mercaptan, and isovaleric acid. Linalool was the most abundant component in both the essential oil and hydrosol; however, its proportion was higher in the hydrosol (57.5%) than in the essential oil (42.8%). The hydrosol contained fewer chemical components, but higher proportions of trans-geraniol and ethanol. Moreover, the essential oil eliminated 50% of ammonia and 97.6% or more of isovaleric acid. Interestingly, linalool was soluble in the hydrosol and did not irritate the skin. This suggests that the hydrosol may be an effective foot care product.
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