limonene

1.Limonene needed in recycling foamed polystyrene was extracted from the ear of schizonepeta tenuifolia using ligroin.

本文研究从荆芥穗中提取回收聚苯乙烯所的柠檬烯,其方法是溶剂萃取。

2.Moreover, those impurities, as menthone, isomenthone, limonene, 1, 8-cineol and bata-pinene contents of Hai-Xuan mint are lower than that of 73-8mint.

原油中薄荷酮、异薄荷酮、柠檬烯、1,8-桉叶素、β-蒎烯等均低于“73～8”。

3.Results showed that the main aromatic components of mango were terpenes viz, terpinolene, ocimene, α-pinene, beta-myrcene, alpha-thujene, limonene, caryophyllene, Carene, etc.

结果表明,芒果香气主要成分为萜烯,如异松油烯、罗勒烯、α-蒎烯、β-月桂烯、α-侧柏烯、柠檬烯、石竹烯、蒈烯等。

4.The oils were analyzed by GC-MS and percentages were obtained by normalized peak areas, where main components are nootkatone, D-limonene, osthole, cis-linaloloxide, furfural, and trans.

用气相色谱-谱(GC-MS)联用技术分析,鉴定出主要成分为圆柚酮、D-柠檬烯、王草素、顺式-芳樟醇氧化、糠醛、反式-芳樟醇氧化。