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Table 1 The effect of different sources of polyunsaturated fatty acid (PUFA) supplementation on meat quality characteristics of Longissimus dorsi in lambs

From: Insights into the role of major bioactive dietary nutrients in lamb meat quality: a review

Concentrate basal diet2

PUFA source3

Level, %

Fatty acid profile4

Oxidation, TBARS4

Sensory quality4

Ref.

   

ALA

EPA

DHA

LA

OA

RA

 

Tend.

Juic.

Odor

Flavor

OL

 

Light lambs (< 24 kg body weight)

 Barley/soybean

Ext. linseed

5

↑1.0

=

=

=

=

=

NR

NR

NR

NR

NR

NR

[1]

 Barley/soybean

Ext. linseed

10

↑1.4

=

=

↓0.2

=

=

NR

NR

NR

NR

NR

NR

[1]

 Barley/soybean

Ext. linseed

10.5

↑2.8

↑1.2

=

=

↓0.1

=

NR

NR

NR

NR

NR

NR

[1]

 Barley/soybean

Chia seed

10

↑2.3

↑0.9

=

=

↓0.1

=

NR

NR

NR

NR

NR

NR

[1]

 Barley/soybean

Ext. linseed

15

↑2.1

↑2.9

NR

=

=

NR

NR

NR

NR

NR

NR

NR

[2]

 Barley/soybean

Ext. linseed

30

↑2.2

↑2.6

NR

=

=

NR

NR

NR

NR

NR

NR

NR

[2]

 Barley/soybean

Ext. linseed

10

↑3.6

↑2.9

=

=

↓0.1

=

=

=

=

=

=

=

[13]

 Barley/soybean

Ext. linseed+algae5

5 + 3.9

↑1.2

↑4.3

↑18.8

=

↓0.3

=

↑0.86

=

=

↓0.2

↓0.2

↓0.2

[13]

 Barley/wheat

Ext. linseed

12.5

↑5.6

↑2.5

=

=

=

NR

=

=

=

↓0.2

↓0.1

=

[14]

 Barley/wheat

Ext. linseed+algae

10.7 + 4

↑3.7

↑2.1

↑1.8

=

=

NR

↑2.1

=

=

↓0.2

↓0.1

=

[14]

 Barley/wheat

Fish oil

3.3

=

↑9.6

↑11.0

↓0.3

=

NR

↑4.0

=

=

↓0.3

↓0.3

↓0.4

[14]

 Barley/wheat

Algae6

2

=

↑6.6

↑12.4

=

↓0.1

=

NR

NR

NR

NR

NR

NR

[22]

 Barley/soybean

Sunflower oil

4

↓0.3

=

=

=

=

=

NR

NR

NR

NR

NR

NR

[26]

Heavy lambs (> 24 kg body weight)

 Barley/corn

Ext. linseed

3

↑1.2

=

=

=

=

=

NR

NR

NR

NR

NR

NR

[27]

 Wheat/triticale

Ext. linseed

3

↑1.0

=

=

=

↓0.1

=

NR

NR

NR

NR

NR

NR

[15]

 Wheat/triticale

Ext. linseed

6

↑1.3

=

=

=

=

=

NR

NR

NR

NR

NR

NR

[15]

 Wheat/triticale

Ext. linseed

9

↑2.5

=

=

=

↓0.1

=

NR

NR

NR

NR

NR

NR

[15]

 Barley/soybean

Linseed oil

4.8

↑1.8

↑0.9

↑0.5

=

↓0.3

=

NR

NR

NR

NR

NR

NR

[16]

 Barley/beet

Linseed oil

6

↑2.5

↑0.7

=

=

↓0.1

=

NR

NR

NR

NR

NR

NR

[17]

 Barley/beet

Camelina oil

6

↑1.5

↑0.6

=

=

↓0.1

=

NR

NR

NR

NR

NR

NR

[17]

 Barley/wheat

Fish oil

3

↑0.8

↑3.0

↑4.6

=

=

NR

NR

NR

NR

NR

NR

NR

[23]

 Barley/wheat

Canola oil

3

↑1.4

↑0.4

=

=

↑0.2

NR

NR

NR

NR

NR

NR

NR

[23]

 Barley/wheat

Fish oil+canola oil

1.5 + 1.5

↑0.9

↑2.8

↑2.5

↑0.7

=

NR

NR

NR

NR

NR

NR

NR

[23]

 Commercial

Canola oil

1507

=

↑1.1

=

=

↑0.5

↑1.5

NR

NR

NR

NR

NR

NR

[28]

 Soybean/barley

Canola oil+fish oil

2 + 1

NR

=

↑0.8

NR

NR

↑1.9

NR

↓0.3

=

=

=

↓0.2

[29]

 Wheat/barley8

Fish oil

4.3

↓0.8

↑0.5

↑0.7

↓0.3

=

↓0.4

↑7.39

NR

=

NR

↓0.2

↓0.4

[30]

 Wheat/barley8

Fish oil+algae10

2.1 + 1.6

↓0.8

↑1.3

↑3.7

↓0.2

↓0.2

↓0.5

↑9.09

NR

=

NR

↓0.3

↓0.2

[30]

 Corn/wheat

Algae5

3

=

↑5.5

↑15.8

↓0.2

=

↑0.9

NR

NR

NR

NR

NR

NR

[25]

 Oat/lupin grain

Algae5

1.95

=

↑0.5

↑4.9

=

↓0.2

NR

↑2.5

NR

NR

NR

NR

NR

[24]

 Corn/soybean

Sunflower cake

10

=

=

NR

↑0.6

↓0.1

↑0.6

NR

↑0.1

↑0.2

NR

↑0.1

=

[21]

 Corn/soybean

Sunflower cake

20

=

=

NR

↑0.6

↓0.1

↑0.6

NR

↑0.1

↑0.2

NR

↑0.2

=

[21]

 Corn/soybean

Sunflower cake

30

=

=

NR

↑1.0

↓0.2

↑0.9

NR

↑0.2

↑0.2

NR

↑0.2

=

[21]

 Barley/palm

Sunflower oil

2

NR

NR

NR

=

↑0.1

=

NR

NR

NR

NR

NR

NR

[18]

 Barley/palm

Sunflower oil

4

NR

NR

NR

↑0.2

↑0.1

↑1.0

NR

NR

NR

NR

NR

NR

[18]

 Corn/soybean

Safflower oil

7.5

=

=

=

=

=

=

NR

NR

NR

NR

NR

NR

[20]

 Corn/soybean

Safflower oil

15

=

=

=

=

=

=

NR

NR

NR

NR

NR

NR

[20]

 Corn/wheat

Safflower oil

3

=

=

=

=

↓0.2

↑0.6

NR

NR

NR

NR

NR

NR

[19]

 Corn/wheat

Safflower oil

6

=

=

=

=

↓0.3

↑1.3

NR

NR

NR

NR

NR

NR

[19]

 Barley/corn

Safflower oil

6

↓0.3

NR

NR

↑0.5

↓0.1

↑1.1

NR

NR

NR

NR

NR

NR

[31]

  1. Effects are shown as relative variation with respect to the control diet and expressed in the fold change. ALA α-linolenic acid, DHA docosahexaenoic acid, EPA eicosapentaenoic acid, Ext. linseed extruded linseed, IMF intramuscular fat, Juic. Juiciness, LA linoleic acid, NR Not reported, OA oleic acid, OL overall liking, RA = rumenic acid; TBARS = thiobarbituric acid reactive substances; Tend. = Tenderness
  2. 11-fold increase means 100% increase (it doubles)
  3. 2Main components of the concentrate are presented
  4. 3PUFA sources: ALA-rich = linseed, chia and camelina; LA-rich = sunflower and safflower; EPA/DHA-rich = algae and fish oil, OA-rich = canola
  5. 4Arrows indicate up (↑) or down (↓) significant values compared to control. Almost equal sign (=) symbolize no change between control and PUFA-rich diet
  6. 5DHA-Gold (Market Biosciences Corp., Columbia, MD, USA). Algal meal high in DHA derived from Schizochytrium spp. In Fan et al. [25] the algal meal is algae powder (Schizochytrium sp.; Xiamen Huison biotech Co., Ltd., Xiamen, China)
  7. 6TBARS were analysed in meat after 4 d display in Urrutia et al. [1] and Hopkins et al. [24] and after 7 d display in de la Fuente-Vázquez et al. [14] and Nute et al. [30]
  8. 7The inclusion level of canola oil was 50 mL/d, three times per week (150 mL/week)
  9. 8The effect of PUFA in this work is expressed as changes compared to the linseed oil supplemented group
  10. 9Lipid oxidation was assessed in Semimembranosus muscle
  11. 10Algae from a dinoflagellate of the class Dinophyceae (Martek Biosciences Corp., Columbia, MD, USA)