Comparison between Simultaneous Distillation Extraction and Solid-phase Micro-extraction Methods for Analysis of Volatile Constituents in Brine Dried Tofu(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:

2010年03期

Page:

502-505

Research Field:

Publishing date:

Info

Title:

Comparison between Simultaneous Distillation Extraction and Solid-phase Micro-extraction Methods for Analysis of Volatile Constituents in Brine Dried Tofu

Author(s):

LI Jing¹; XIN Guang¹; 2;  ZHANG Bo²; LI Shu-qian¹; 2

1.Food College,Shenyang Agricultural University, Shenyang, 110866, Liaoning;

2.Anshan Normal University, Anshan 114005, Liaoning，China

Keywords:

Solid-phase Micro-extraction; Simultaneous Distillation and Extraction; Brine dried tofu; Gas Chromatography-mass Spectrometry

PACS:

TS214.2

DOI:

10.11861/j.issn.1000-9841.2010.03.0502

Abstract:

Volatile constituents of Brine dried tofu extracted by Simultaneous Distillation Extraction(SDE) and Solid-phase Micro-extraction(SPME) method were identifed by Gas Chromatography-mass Spectrometry(GC-MS), to determine the suitable method for extracting the volatile constituents from brine dried tofu. For SDE method, 53 volatile constituent were extracted and it is conductive to separate the constituents with high boiling point. For SPME method, 25 volatile constituent were extracted, although the quantity of volatile constituents is smaller compared with SDE method, it can reflect the original information of brine dried tofu and can be used for preliminary identification of volatile constituents with the advantage of easy to operate, does not use solvents or destroy the testing samples. The common volatile constituents in brine dried tofu identified by the two methods are Hexanal, 1-Hexanol, styrene,Heptanal, Furan,2-pentyl-, Octanal, Benzaldehyde，1-octen-3-ol and Nonanal.

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