黄曲霉毒素检测

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SPME-GCMS analysis of flavor substances in Sturgeon meat

SPME-GCMS analysis of flavor substances in Sturgeon meat


  • SPME-GCMS analysis of flavor substances in Sturgeon meat

SPMEProbe item number:ZZ-SPME-06-z
Analysis condition:                    图片1.png     

Sample: 2 g sturgeon meat in 20 ml headspace bottle

Extraction temperature: 40 ºC; Extraction time: 60 min

Desorption time: 2 min; Desorption temperature: 250 ºC

Sample inlet: GC

Injection method: CTC PAL ALS automatic injector

Inlet: 250 ºC without shunt, purge flow at shunt outlet: 60 mL/min starting at 2 min

Column: DB-5ms: 30 m × 250 μm × 0.25 μm

Programmed heating: Initial temperature 30 ºC for 2 min, 10 ºC/min up to 250 ºC for 30 min

Acquisition mode: Full scan, scanning range: 35-400 m/z

Ion source: 230 ºC, MS quadrupole: 150 ºC


1550885305363909.png 

       Determination of substance in Sturgeon meat by SPME-GC/MS total ion flow chromatogram


Test results:

A total of 17 organic compounds were detected, including 1 alkane and 16 aromatic hydrocarbons, their respective contents are shown in Table 1 below. The test results show that compound No. 9 has the highest naphthalene content, accounting for 43.295% of the total.


                                                 

 SPME-GC-MS检测结果

序号

化合物

保留时间

峰面积百分比总量(%

1

Toluene(甲苯)

4.748

16.112

2

4-ethyl-1,2-dimethyl-Benzene(4-乙基-1,2-二甲基苯)

10.466

0.793

3

Undecane(十一烷)

10.666

3.101

4

4-ethyl-1,2-dimethyl-Benzene(4-乙基-1,2-二甲基苯)

10.775

0.583

5

1,2,4,5-tetramethyl-Benzene (1,2,4,5-四甲苯)

10.983

1.258

6

1,2,3,4-tetramethyl-Benzene(1,2,3,4-四甲基苯)

11.038

1.844

7

1-methyl-4-(2-propenyl)-Benzene(1-甲基-4-2-丙烯基) - )

11.372

1.080

8

1-methyl-3-(1-methylethyl)-Benzene(1-甲基-3-1-甲基乙基) - )

11.535

7.797

9

Naphthalene()

12.145

43.295

10

1-ethyl-2,4,5-trimethyl-Benzene(1-乙基-2,4,5-三甲基苯)

12.211

3.663

11

Benzene, 1-ethyl-2,4,5-trimethyl- (五甲苯)

12.377

1.425

12

1,3-dimethyl-5-(1-methylethyl)-Benzene(1,3-二甲基-5-1-甲基乙基) - )

12.772

1.157

13

2,3-dihydro-4,7-dimethyl-1H-Indene(2,3-二氢-4,7-二甲基-1H-)

13.035

1.341

14

B 2-ethenyl-1,3,5-trimethyl-enzene(B 2乙烯基1,3,5-三甲苯)

13.307

0.471

15

pentamethyl-Benzene(五甲苯)

13.451

2.220

16

1-methyl-Naphthalene(1-甲基萘)

13.768

9.126

17

1-methyl-Naphthalene(1-甲基萘)

13.990

4.735


Key word:Solidphasemicroextraction

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Qingdao Zhenzheng Analytical Instrument Co., LTD

Tel: 15963292045 Email: qdzhenzheng@163.com

QQ: 2776447184 Add: Building 27, Shandong University International Industrial Park, No.669 East China Road, High-tech Zone, Qingdao

Technical support:浩瀚网络     Record number:鲁ICP备14019093号-1  

Web address: www.qdzhenzheng.com           

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