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Table 7 Effects of persimmon peel (PP) supplementation on intramuscular fat (IMF), fatty acid composition, and cholesterol content of porcine longissimus dorsi muscle

From: Effects of persimmon peel supplementation on pork quality, palatability, fatty acid composition, and cholesterol level

 

Treatmentc

Level of significance

Control

T1

T2

T3

IMF (%)

1.90 ± 0.80

2.90 ± 1.22

2.66 ± 0.23

2.78 ± 0.99

NS

Fatty acids

 SFA (%)

43.7 ± 0.35a

43.6 ± 0.61a

43.2 ± 0.59a

41.5 ± 0.81b

*

 MUFA (%)

44.1 ± 0.63

44.4 ± 1.01

43.7 ± 0.80

45.0 ± 1.22

NS

 PUFA (%)

12.1 ± 0.21b

12.0 ± 0.45b

13.1 ± 0.55a

13.6 ± 0.65a

*

 PUFA:SFA

0.28 ± 0.02b

0.28 ± 0.02b

0.30 ± 0.01ab

0.33 ± 0.01a

*

 n-6 (%)

11.6 ± 0.97

11.4 ± 1.79

12.4 ± 1.51

12.9 ± 0.41

NS

 n-3 (%)

0.57 ± 0.06

0.58 ± 0.10

0.67 ± 0.14

0.68 ± 0.15

NS

 n-6:n-3

20.3 ± 1.31

19.7 ± 1.37

18.7 ± 1.93

19.6 ± 4.61

NS

h/H index

1.78 ± 0.07b

1.83 ± 0.07b

1.91 ± 0.11b

2.09 ± 0.12a

**

Cholesterol (mg/100 g)

 Total cholesterol

99.1 ± 1.46a

96.4 ± 0.97ab

98.1 ± 2.60ab

94.4 ± 2.46b

*

 HDL cholesterol

25.3 ± 1.23

29.4 ± 3.60

29.2 ± 0.39

25.5 ± 1.61

NS

 LDL cholesterol

51.4 ± 1.40a

45.2 ± 3.13b

46.6 ± 1.40b

47.4 ± 1.52b

*

  1. cControl: basal diet; T1: basal diet with 0.3 % PP powder; T2: basal diet with 0.6 % PP powder; T3: basal diet with 0.9 % PP powder
  2. Results are expressed in mean value ± SD
  3. Levels of significance: NS = not significant; *P < 0.05; **P < 0.01
  4. a-bMeans within a row with different superscripts differ significantly (P < 0.05)
  5. Abbreviations: SFA saturated fatty acid, MUFA monounsaturated fatty acid, PUFA polyunsaturated fatty acid, n-6 sum of linoleic (C18:2n-6) γ-linolenic (C18:3n-6), eicosadienoic (C20:2n-6), and arachidonic (C20:4n-6) acids, n-3 sum of α-linolenic acid (C18:3n-3), eicosatrienoic acid (C20:3n-3), EPA (C20:5n-3), and DHA (C22:6n-3), n-6:n-3 ratio of n-6 to n-3, h:H index ratio of hypocholesterolemic to hypercholesterolemic potential [h/H = (18:1n-9 + 18:2n-6 + 20:4n-6 + 18:3n-3 + 20:5n-3 + 22:5n-3 + 22:6n-3)/(14:0 + 16:0)], HDL high-density lipoprotein, LDL low-density lipoprotein