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首页> 美国卫生研究院文献>Molecules >Determination of Volatile Terpenes in Coriander Cold Pressed Oil by Vacuum Assisted Sorbent Extraction (VASE)
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Determination of Volatile Terpenes in Coriander Cold Pressed Oil by Vacuum Assisted Sorbent Extraction (VASE)

机译：真空辅助吸附剂萃取（花瓶）用真空辅助吸附油挥发性萜烯的测定

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摘要

Cold-pressed plant oils are of high interest to consumers due to their unique and interesting flavors. As they are usually only pressed at low temperatures and filtered, without further processing stages (as refining), they preserve their character that originates from the plant the oil was extracted from. Coriander cold pressed oil is gaining popularity as a novel product, obtained from its fruits/seeds; due to the high amount of terpenes, it has very characteristic flavor. A novel, vacuum-assisted sorbent extraction (VASE) method was used to extract terpenes from coriander cold pressed oil. Optimal parameters were determined. The profile of compounds extracted using VASE was compared with that of classic hydrodistillation method. Moreover, 17 monoterpene hydrocarbons and alcohols were identified with β-linalool as the main compound, followed by α-pinene, γ-terpinene, camphor, sylvestrene, β-pinene, and o-cymene. Differences were noted between profiles of terpenes after hydrodistillation and VASE extraction. For 8 out of 17 terpenes, VASE was used for their quantitative analysis. Regarding simplicity of the method, small sample requirement (200 mg) and short extraction time (5 min), VASE combined with GC/MS is well suited for characterization of terpenes in such matrix as plant oils.
机译：由于它们独特而有趣的口味，冷压植物油对消费者具有很高的兴趣。由于它们通常仅在低温下压制并过滤，而无需进一步处理阶段（作为精炼），它们保持其特征，其源自植物从植物中提取。香菜冷压油正在作为新产品的普及，从水果/种子中获得;由于萜烯量大，它具有非常特征的风味。一种新型的真空辅助吸附剂萃取（花瓶）方法用于从Coriander冷压油中提取萜烯。确定了最佳参数。将使用花瓶提取的化合物的谱与经典氢化物法进行比较。此外，用β-LINALOOL作为主要化合物鉴定了17种单萜烃和醇，其次是α-凸烯，γ-萜烯，樟脑，西尔夫斯汀，β-PINENE和O-CYMENE。氢化物和瓶子萃取后萜烯的谱之间注意到差异。对于17萜烯中的8个，Vase用于定量分析。关于方法的简单性，小样品要求（200mg）和短提取时间（5分钟），与GC / MS结合的花瓶非常适合于在这种基质中表征Terpenes作为植物油。

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