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Table 2 Composition and abundance of solvent extractives from various agricultural residues by GC–MS detection

From: Aliphatic extractive effects on acetic acid catalysis of typical agricultural residues to xylo-oligosaccharide and enzymatic hydrolyzability of cellulose

Compounds

Area (%)

Benzene–ethanol extractives

Ethanol extractives

CC

SB

WS

PS

CC

SB

WS

PS

n-Fatty acids

Tetradecanoic acid

  

3.17

2.08

    
 

Pentadecanoic acid

1.58

1.31

 

2.81

    
 

N-Hexadecanoic acid

34.25

57.22

23.09

44.86

3.62

7.18

9.81

4.21

 

Palmitoleic acid

4.50

7.14

      
 

Gamolenic acid

   

2.19

    
 

Heptadecanoic acid

   

1.33

    
 

9,12-Octadecadienoic acid

 

19.18

 

26.06

    
 

Cis-Vaccenic acid

37.98

       
 

Cis-13-Octadecenoic acid

  

1.88

     
 

Oleic acid

2.36

 

2.56

     
 

Octadecanoic acid

 

2.13

 

5.68

  

1.98

 

n-Fatty alcohols

Phytol

  

3.11

     

n-Alkanes

4-Methyl-decane

     

2.01

1.66

1.61

 

2,6-Dimethyl-undecane

     

1.74

  
 

Dodecane

  

3.06

  

2.24

2.86

2.73

 

4,6-Dimethyl-dodecane

     

2.71

 

2.05

 

2,6,11-Trimethyl-dodecane

     

7.56

3.63

5.40

 

2,6,10-Trimethyl-dodecane

    

2.68

1.72

3.38

6.05

 

2,7,10-Trimethyl-dodecane

     

3.22

  
 

Tridecane

  

4.85

     
 

Tetradecane

      

3.35

 
 

Pentadecane

     

5.78

 

2.80

 

4-Methyl-pentadecane

       

1.67

 

Hexadecane

      

7.48

 
 

2,6,10,14-Tetramethyl-hexadecane

     

5.93

 

5.01

 

2,6,11,15-Tetramethyl-hexadecane

      

3.29

4.02

 

2,6,10,15-Tetramethyl-heptadecane

     

3.22

2.14

3.02

 

Heptacosane

    

10.55

5.25

4.34

 
 

Octadecane

       

5.56

 

Nonadecane

      

3.39

 
 

Heneicosane

     

5.90

  
 

Tetracosane

     

2.33

  
 

2-Methyl-hexacosane

      

2.59

2.19

 

Hentriacontane

    

5.36

   

Aldehydes

9,17-octadecadienal

   

1.96

    
 

13-Octadecenal

  

4.81

     
 

Vanillin

2.44

     

2.39

 

Ketones

6,10,14-Trimethyl-2-pentadecanone

  

11.74

     
 

2-Heptadecanone

  

6.92

     

Steroid ketones

6-Hydroxy-4,4,7a-trimethyl-5,6,7,7a-tetrahydrobenzofuran-2(4 h)-one

      

1.78

 
 

Dehydrovomifoliol

      

4.88

 
 

1-(4-Hydroxy-3,5-dimethoxyphenyl)-ethanone

      

3.23

 
 

4,5,6-Trimethoxy-7-methyl-3 h-2-benzofuran-1-one

     

2.44

  
 

2,3-Dihydro-benzofuran

3.34

6.59

    

1.74

 

Sterols

4-(2,6,6-Trimethyl-1-cyclohexen-1-yl)-3-buten-2-ol

     

4.15

  
 

2-Methyl-4-(1,3,3-trimethyl-7-oxabicyclo [4. 1. 0] hept-2-yl)-3-buten-2-ol

      

2.44

 
 

3-Deoxyestradiol

       

1.60

Phenols

2-Methoxy-4-vinylphenol

2.45

     

2.06

 
 

2,4-Di-tert-butylphenol

  

3.52

  

2.50

2.06

2.21

 

4-((1e)-3-Hydroxy-1-propenyl)-2-methoxyphenol

1.50

2.43

7.53

8.31

  

11.88

12.70

 

Sinapyl alcohol

 

2.28

2.71

4.72

  

2.35

5.24

Esters

Geranyl isovalerate

      

1.77

 
 

Diisooctyl phthalate

  

3.40

     

Triglycerides

Glycerin

9.61

0.87

      

Monoglycerides

2-Palmitoylglycerol

6.14

6.02

  

60.14

   

Aromatic hydrocarbon

p-Xylene

     

8.35

3.78

6.25

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Biotechnology for Biofuels and Bioproducts

ISSN: 2731-3654

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