Review Reports

Round 1

Reviewer 1 Report

The presented topic is original and interesting. The authors have made an effort to conduct a reliable qualitative and quantitative analysis. Nevertheless, there is a lack of information and I have suggestions to improve the manuscript.

 

1.     Add some essential data of qualitative and quantitative analysis from the odors study to the abstract.

2.     Lines 111-112: add space before min. Check the whole manuscript

3.     Add references to Food Safety Standards. 

4.     Materials and Methods: add a paragraph about Chemicals where you put a name, CAS, purity, and supplier of all reagents that you used.

5.     In which solvent was prepared 1-hexanol?

6.     Description of the SPME method should be written in the past tense, for example, The carrier gas was….Check the whole manuscript

7.     Add the Brand and model of GC-MS

8.     Solute delay or solvent delay?

9.     Why do you use solvent delay in spme method? Don’t you smell the most volatile compounds during the first 4 min of the chromatogram?

10.  Which equipment did you use for smelling? Sniffing port? From which company?

11.  2.8. Statistical analysis (capital letter)

12.   Add a description of how quantitative analysis was performed

13.  Name well the analytical methods or SPME-GC-MS or SPME-GC-O-MS

14.  Which program did you use for PCA? Add to the statistical part

15.  Figure 4 improve the names of compounds as they are overlaid

16.  Figure 8 add errors to all data

Author Response

Dear reviewer

The manuscript is revised according to your comments, please have a check. If more are needed, please let me know, and we are sure to do our best to meet your requirement.

Sincerely Yours

Huanlu Song

Author Response File: Author Response.pdf

Reviewer 2 Report

Comments for author File: Comments.pdf

Author Response

Dear Reviewer

The manuscript is revised according to your comments, please have a check. If more are needed, please let me know.

Sincerely Yours

Huanlu Song

Author Response File: Author Response.pdf

Round 2

Reviewer 1 Report

The manuscript has been significantly improved. I don´t have any more suggestions.

Reviewer 2 Report

Thank you for your response. I have no comments anymore.