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Table 2 Fatty acid composition of total lipids extracted from Aloe species

From: Comparative analysis of some bioactive compounds in leaves of different Aloe species

No.

Fatty acid (%)*

Aloe aculeata

Aloe africana

Aloe arborescens

Aloe barbadensis

Aloe ferox

Aloe marlothii

Aloe spectabilis

1

Capric acid (C10:0)

0.04 ± 0.00e

0.17 ± 0.00b

0.19 ± 0.01a

0.09 ± 0.00d

0.02 ± 0.00f

0.08 ± 0.00d

0.12 ± 0.01c

2

Lauric acid (C12:0)

0.24 ± 0.01f

0.64 ± 0.03b

0.56 ± 0.02c

0.42 ± 0.02d

0.32 ± 0.01e

0.51 ± 0.02c

0.73 ± 0.03a

3

Myristic acid (C14:0)

0.83 ± 0.04f

2.54 ± 0.12a

2.09 ± 0.10b

1.01 ± 0.05ef

1.44 ± 0.07d

1.09 ± 0.05e

1.73 ± 0.08c

4

Pentadecyclic acid (C15:0)

0.26 ± 0.01e

0.54 ± 0.01bc

0.78 ± 0.05a

0.46 ± 0.02d

0.51 ± 0.04bcd

0.5 ± 0.02cd

0.58 ± 0.02b

5

Palmitic acid (C16:0)

24.13 ± 1.17ab

22.42 ± 1.11bc

21.70 ± 1.12bc

26.48 ± 1.38a

20.44 ± 0.99c

24.48 ± 1.23ab

20.65 ± 0.98c

6

Palmitoleic acid (C16:1 n − 9)

0.53 ± 0.02d

1.44 ± 0.07b

3.25 ± 1.15a

0.91 ± 0.04c

1.61 ± 0.81b

1.08 ± 0.05c

1.48 ± 0.72b

7

Cis-7 hexadecenoic acid (C16:1 n − 7)

14.16 ± 0.72a

0.48 ± 0.02d

0.37 ± 0.01d

2.81 ± 0.13b

0.89 ± 0.04cd

1.56 ± 0.08c

0.65 ± 0.03d

8

Margaric acid (C17:0)

0.54 ± 0.02f

1.14 ± 0.06d

0.83 ± 0.04e

1.93 ± 0.09a

0.85 ± 0.04e

1.73 ± 0.08b

1.52 ± 0.07c

9

Stearic acid (C18:0)

4.61 ± 0.23c

5.72 ± 0.28a

5.35 ± 0.27ab

4.69 ± 0.22bc

4.74 ± 0.23bc

4.39 ± 0.22c

5.85 ± 0.28a

10

Oleic acid (C18:1 n − 9)

18.46 ± 0.94a

7.03 ± 0.34b

7.08 ± 0.33b

7.73 ± 0.39b

7.26 ± 0.34b

7.53 ± 0.37b

7.00 ± 0.35b

11

Vaccenic acid (C18:1 n − 7)

5.03 ± 0.24a

1.34 ± 0.06b

0.55 ± 0.02e

1.23 ± 0.06bc

0.89 ± 0.04d

1.03 ± 0.05cd

0.98 ± 0.05cd

12

Linoleic acid (C18:2 n − 6)

10.75 ± 0.54e

17.37 ± 1.85 cd

19.92 ± 0.62ab

15.67 ± 0.81d

19.61 ± 1.00bc

17.77 ± 0.93bcd

22.25 ± 1.07a

13

Linolenic acid (C18:3 n − 3)

19.50 ± 0.97c

36.43 ± 1.81ab

34.74 ± 1.72b

36.94 ± 1.79ab

40.55 ± 2.03a

37.89 ± 1.95ab

33.55 ± 1.68b

14

Arachidonic acid (C20:0)

0.29 ± 0.01c

0.57 ± 0.02b

0.77 ± 0.04a

0.73 ± 0.03a

0.23 ± 0.01c

0.71 ± 0.03a

0.69 ± 0.03a

15

Behenic acid (C22:0)

0.20 ± 0.01d

0.65 ± 0.03c

1.02 ± 0.04a

0.69 ± 0.03bc

0.22 ± 0.01 cd

0.73 ± 0.03bc

0.76 ± 0.03b

16

Tricosylic acid (C23:0)

0.09 ± 0.00e

0.51 ± 0.02a

0.22 ± 0.01c

0.41 ± 0.02b

0.16 ± 0.01d

0.38 ± 0.02b

0.52 ± 0.02a

17

Lignoceric acid (C24:0)

0.33 ± 0.02d

1.02 ± 0.05a

0.60 ± 0.03c

0.80 ± 0.03b

0.26 ± 0.01d

0.75 ± 0.03b

0.95 ± 0.05a

 

∑SFAs

31.57 ± 1.63ab

35.91 ± 1.75a

34.09 ± 1.63a

34.72 ± 1.70a

29.21 ± 1.39b

35.35 ± 1.76a

34.10 ± 1.68a

 

∑MUFAs

38.18 ± 1.93a

10.29 ± 0.52bc

11.26 ± 0.55bc

12.67 ± 0.62b

10.64 ± 0.55bc

11.20 ± 0.56bc

10.10 ± 0.49c

 

∑PUFAs

30.25 ± 1.58c

53.80 ± 2.68ab

54.65 ± 2.73ab

52.61 ± 2.52b

60.15 ± 3.15a

55.69 ± 2.68ab

55.80 ± 2.72ab

 

PUFAs/SFAs

0.96- ± 0.04c

1.50 ± 0.08b

1.60 ± 0.08b

1.52 ± 0.08b

2.06 ± 0.10a

1.52 ± 0.08b

1.64 ± 0.09b

 

n − 6/n − 3 PUFAs

0.55 ± 0.02bc

0.48 ± 0.02 cd

0.57 ± 0.03b

0.42 ± 0.04d

0.48 ± 0.02 cd

1.64 ± 0.09b

0.66 ± 0.03a

 

Total lipid content (g/100 g FW)

2.768 ± 0.32d

3.086 ± 0.81c

3.121 ± 0.82c

3.173 ± 0.56c

4.105 ± 0.49b

3.995 ± 0.37b

4.323 ± 0.93a

  1. * % of total fatty acids; values are expressed as mean ± standard deviation. Values followed by different letters within each column denote a significant difference and those followed by same letters denote no significant difference at P < 0.05