Ultrasound-assisted extraction and dispersive liquid–liquid microextraction coupled with gas chromatography-mass spectrometry for the sensitive determination of essential oil components in lavender

2019 ◽  
Vol 11 (11) ◽  
pp. 1541-1550 ◽  
Author(s):  
Ping Chen ◽  
Bing Liu ◽  
Xin Liu ◽  
Jihong Fu
Keyword(s):  
Essential Oil ◽  
Gas Chromatography Mass Spectrometry ◽  
Ultrasound Assisted Extraction ◽  
Assisted Extraction ◽  
Sensitive Determination ◽  
Ultrasound Assisted ◽  
Oil Components ◽  
Dispersive Liquid Liquid Microextraction ◽  
Liquid Microextraction

Ultrasound-assisted extraction and dispersive liquid–liquid microextraction coupled with GC-MS for the sensitive determination of essential oil components in lavender.

The development of ultrasound-assisted extraction/dispersive liquid–liquid microextraction coupled with DSI-GC-IT/MS for analysis of essential oil from fresh flowers of Edgeworthia chrysantha Lindl.

2014 ◽  
Vol 6 (10) ◽  
pp. 3345-3352 ◽  
Author(s):  
Ya Wen ◽  
Jing Nie ◽  
Zu-Guang Li ◽  
Xin-Yi Xu ◽  
Dan Wei ◽  
...  
Keyword(s):  
Essential Oil ◽  
Ultrasound Assisted Extraction ◽  
Assisted Extraction ◽  
Novel Method ◽  
Ultrasound Assisted ◽  
Dispersive Liquid Liquid Microextraction ◽  
Liquid Microextraction

A simple and novel method was successfully developed for determination of essential oil from fresh flowers of Edgeworthia chrysantha Lindl. by using UAE-DLLME coupled with DSI-GC-IT/MS.

Determination of ochratoxin A and citrinin in fruits using ultrasound-assisted solvent extraction followed by dispersive liquid–liquid microextraction with HPLC with fluorescence detection

2016 ◽  
Vol 8 (7) ◽  
pp. 1586-1594 ◽  
Author(s):  
Chunqiang Ruan ◽  
Xue Diao ◽  
Na Li ◽  
He Zhang ◽  
Yan Pang ◽  
...  
Keyword(s):  
Solvent Extraction ◽  
Ochratoxin A ◽  
Ultrasound Assisted Extraction ◽  
Novel Approach ◽  
Assisted Extraction ◽  
Fruit Samples ◽  
Ultrasound Assisted ◽  
Dispersive Liquid Liquid Microextraction ◽  
Liquid Microextraction

A novel approach which uses ultrasound-assisted extraction (USAE) combined with dispersive liquid–liquid microextraction (DLLME) was proposed for the preconcentration of ultra amounts of ochratoxin A and citrinin in fruit samples.

Ultrasound assisted extraction and dispersive liquid–liquid microextraction with liquid chromatography-tandem mass spectrometry for determination of alkylphenol levels in cleaning products

2015 ◽  
Vol 7 (16) ◽  
pp. 6718-6725 ◽  
Author(s):  
Pilar Viñas ◽  
Natalia Campillo ◽  
Marta Pastor-Belda ◽  
Manuel Hernández-Córdoba
Keyword(s):  
Liquid Chromatography ◽  
Tandem Mass ◽  
Ultrasound Assisted Extraction ◽  
Chromatography Tandem Mass Spectrometry ◽  
Assisted Extraction ◽  
Liquid Chromatography Tandem Mass ◽  
Ultrasound Assisted ◽  
Dispersive Liquid Liquid Microextraction ◽  
Liquid Microextraction

Ultrasound facilitates alkylphenols to be extracted with a small amount of organic solvents. Liquid chromatography does not require derivatization.

Differentiation of two types of pu-erh teas by using an electronic nose and ultrasound-assisted extraction-dispersive liquid–liquid microextraction-gas chromatography-mass spectrometry

2016 ◽  
Vol 8 (3) ◽  
pp. 593-604 ◽  
Author(s):  
Jing Ye ◽  
Wenguang Wang ◽  
Chitang Ho ◽  
Jun Li ◽  
Xiaoyu Guo ◽  
...  
Keyword(s):  
Mass Spectrometry ◽  
Gas Chromatography ◽  
Sensory Evaluation ◽  
Electronic Nose ◽  
Gas Chromatography Mass Spectrometry ◽  
Ultrasound Assisted Extraction ◽  
Assisted Extraction ◽  
Ultrasound Assisted ◽  
Dispersive Liquid Liquid Microextraction ◽  
Liquid Microextraction

It is a challenging task to discriminate raw pu-erh tea, notably aged raw tea, from ripened pu-erh tea, both of which are the two primary types of pu-erh teas, only based on the taster's sensory evaluation.

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