原料介绍｜岩兰草 (Vetiver)

▎精油简介

岩兰草源自于坦米尔语Vetiverr，以斧头收割之意，叶片跟芒草有点类似，通常会由众多叶片集结成一大株，岩兰草茎叶直立，其下有分支众多、柔软弹韧的根茎，根部抓地力强，具有来自土壤的坚实稳固的力量，可作为水土保持的植物，被认为是“世界上具有长根系的草本植物”，深密的根部埋于地下可达3至4米长。

也正因此，岩兰草精油的采集和提取过程非常复杂和耗时耗力。采集工人需要徒手挖掘在地下绵延的根系，并完整清洗它们，之后还要切成较短的长度后将它们在阴凉处干燥1-2天，以使萃取出的精油更具浓郁香气。

▎成分解析

｜主要成分：倍半萜醇

岩兰草成分非常多元，主要成分为岩兰草醇(vetiselinenol，50-75%)，其他还有倍半萜烯(beta-vetivenene、delta-selinene)，倍半萜酯，倍半萜酮(alpha-vetivone，beta-vetivone、khusimone)，酸等。其香气来源主要受到α-、ß-岩兰草酮和客烯酮影响，气味被描述为一种甜的、木香和烟熏的香味。

｜成分1：岩兰草醇(vetiselinenol)

｜成分2：β-岩兰草烯(beta-vetivenene，又称香根草烯)

｜成分3：α、β-岩兰草酮(α、β- vetivone)

｜研究认证

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▎参考文献

1. De Tollenaere M, et al. Overall renewal ofskin lipids with Vetiver extract for a complete anti-ageing strategy.Int J Cosmet Sci. 2021 Apr;43(2):165-180.
2. Devanathadesikan Seshadri V, et al. In vitroantioxidant and cytotoxic activities of polyherbal extractsfrom Vetiveria zizanioides, Trichosanthes cucumerina, and Mollugocerviana on HeLa and MCF-7 cell lines. Saudi J Biol Sci. 2020Jun;27(6):1475-1481.
3. Matsuo Y, et al. Vetiverianines A, B, and C:Sesquiterpenoids from Vetiveria zizanioides Roots. J Nat Prod.2016 Sep 23;79(9):2175-80.
4. Matsubara E, et al. Volatiles emitted fromthe roots of Vetiveria zizanioides suppress the decline inattention during a visual display terminal task. Biomed Res. 2012;33(5):299-308..
5. Rathnayake H, et al. Comparison of In VitroAntibacterial Activity of Epaltes divaricata and Vetiveria zizanioides againstMethicillin-Resistant Staphylococcus aureus. Scientifica (Cairo). 2020 Jul14;2020:8239053.
6. Kannappan A, et al. Antibiofilm activityof Vetiveria zizanioides root extract againstmethicillin-resistant Staphylococcus aureus. Microb Pathog. 2017 Sep;110:313-324.
7. David A, et al. Chemical Composition,Antioxidant, and Antimicrobial Activitiesof Vetiveria zizanioides (L.) Nash Essential Oil Extracted byCarbon Dioxide Expanded Ethanol. Molecules. 2019 May 17;24(10):1897.
8. SCCS members, et al. Opinion of theScientific Committee on consumer safety (SCCS) - Final opinion on the safety offragrance ingredient Acetylated Vetiver Oil (AVO) -(Vetiveria zizanioides root extract acetylated) - Submission III.Regul Toxicol Pharmacol. 2019 Oct;107:104389.
9. Agronomic and economic evaluation of Vetivergrass (Vetiveria zizanioides L.) as means for phytoremediation ofdiesel polluted soils in Israel. Dudai N, et al. J Environ Manage. 2018Apr 1;211:247-255.
10. Burger P, et al. Vetiver Essential Oil in Cosmetics: What IsNew? Medicines (Basel). 2017 Jun 16;4(2):41.
11. Nirwane AM, et al. Anxiolytic and nootropic activityof Vetiveria zizanioides roots in mice. J Ayurveda Integr Med.2015;6(3):158-64.
12. Del Giudice L, et al. The microbial community of Vetiver rootand its involvement into essential oil biogenesis. Environ Microbiol. 2008Oct;10(10):2824-41.

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