Head Space Solid Phase Micro-Extraction (HS - SPME) of volatile organic compounds produced by Sporidiobolus salmonicolor (CBS 2636)

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Head Space Solid Phase Micro-Extraction (HS - SPME) of volatile organic compounds produced by Sporidiobolus salmonicolor (CBS 2636)

Recebido para publicação em 8/10/2008 Aceito para publicação em 8/7/2009 (003881) 1 Departamento de Engenharia de Alimentos, Universidade Regional Integrada do Alto Uruguai e das Missões – URI, CEP 99700-000, Erechim RS, Brasil, E-mail: [email protected] 2 Departamento de Física e Quimica, Universidade de Caxias do Sul – UCS 3 Departamento de Engenharia Química, Universidade Federal de Santa ...

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Analysis of Volatile Compounds from Solanum betaceum Cav. Fruits from Panama by Head-Space Micro Extraction

The characterization of the volatile compounds of two varieties of Solanum betaceum Cav. by means of headspace solid-phase microextraction (HS-SPME) coupled with gas chromatography-mass spectrometry (GC-MS) is presented. The HS-SPME method for extraction of the volatiles compounds was optimized by using a 2 central composite design. Maximum extraction of volatile compounds was achieved by using...

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Solid-phase micro-extraction (SPME) in the early detection of potentially active volatile compounds from organic wastes used for the management of soil-borne pathogens.

The complex molecular assemblages were analysed in the soil gas phase after applying pine forest wastes (PFW) or sugarbeet vinasses (SBV) for soil-borne crop pests' management. For this purpose, solid-phase micro-extraction (SPME) and gas chromatography (GC) were used coupled with mass spectrometry (MS). The organic wastes were applied either to Calcic Entisol or Haplic Arenosol moistened at fi...

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Quantification of selected volatile organic compounds in human urine by gas chromatography selective reagent ionization time of flight mass spectrometry (GC-SRI-TOF-MS) coupled with head-space solid-phase microextraction (HS-SPME).

Selective reagent ionization time of flight mass spectrometry with NO(+) as the reagent ion (SRI-TOF-MS(NO(+))) in conjunction with gas chromatography (GC) and head-space solid-phase microextraction (HS-SPME) was used to determine selected volatile organic compounds in human urine. A total of 16 volatiles exhibiting high incidence rates were quantified in the urine of 19 healthy volunteers. Amo...

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Comparison of Head Space Solid Phase Microextraction (HS-SPME) and Hydro-distillation (HD) Techniques in Determination of Essential Oils in Fritillaria imperialis

Background: Fritillaria imperialis is an endangered species with pharmaceutical alkaloids that can be effective in reducing blood pressure and reducing cardiac palpitations.   Objective: Comparison of head space solid phase microextraction (HS-SPME) and hydro-distillation (HD) techniques in determination of essential oils in Fritillaria imperialis Methods: Quality and quantity determination o...

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ژورنال

عنوان ژورنال: Ciência e Tecnologia de Alimentos

سال: 2010

ISSN: 0101-2061

DOI: 10.1590/s0101-20612010000400023