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Table 3 Amino acid concentrations (μmol/l) in blood plasma

From: Alterations in protein and amino acid metabolism in rats fed a branched-chain amino acid- or leucine-enriched diet during postprandial and postabsorptive states

 

Fed animals

Overnight starved animals

SLD (n = 10)

HVLID (n = 10)

HLD (n = 9)

SLD + S (n =10)

HVLID + S (n = 10)

HLD + S (n = 10)

Asp

17 ± 1

34 ± 3 a

25 ± 3

11 ± 1

26 ± 3 a

24 ± 6 a

Glu

129 ± 8

111 ± 6

108 ± 4

101 ± 6

129 ± 11

128 ± 10

Ser

254 ± 12

239 ± 4

217 ± 6 a

241 ± 8

232 ± 7

236 ± 7

Asn

70 ± 4

78 ± 2

64 ± 2 c

59 ± 2 b

67 ± 2 b

64 ± 2

Gly

306 ± 23

219 ± 6 a

191 ± 10 a

392 ± 15 b

319 ± 12 a,b

281 ± 10 a,b

Gln

713 ± 25

825 ± 12 a

808 ± 19 a

623 ± 10 b

678 ± 16 b

690 ± 14 a,b

His

66 ± 3

65 ± 2

57 ± 1 a,c

54 ± 2 b

56 ± 1 b

54 ± 2

Tau

324 ± 16

467 ± 50

437 ± 52

227 ± 17

528 ± 57 a

520 ± 31 a

Thr

284 ± 17

206 ± 6 a

206 ± 5 a

232 ± 14 b

230 ± 7

226 ± 6

Ctr

82 ± 4

87 ± 3

79 ± 3

60 ± 2 b

74 ± 2 a,b

69 ± 2

Ala

527 ± 27

667 ± 25 a

627 ± 13 a

364 ± 16 b

379 ± 12 b

412 ± 14 b

Arg

188 ± 9

175 ± 5

165 ± 6 a

150 ± 3 b

165 ± 5

157 ± 4

Pro

262 ± 16

251 ± 7

244 ± 6

131 ± 5 b

147 ± 3 b

140 ± 3 b

Tyr

94 ± 15

77 ± 3 a

71 ± 2 a

89 ± 3

85 ± 3

83 ± 3 b

Cys

123 ± 5

122 ± 2

106 ± 3

123 ± 3

138 ± 5

126 ± 5 b

Val

262 ± 8

444 ± 30 a

158 ± 6 a,c

213 ± 7

213 ± 4 b

206 ± 6

Met

63 ± 3

63 ± 1

56 ± 1 a

55 ± 1 b

52 ± 1 b

52 ± 1

Orn

67 ± 3

68 ± 5

69 ± 3

44 ± 2 b

52 ± 2 b

48 ± 2 b

Lys

339 ± 5

332 ± 9

324 ± 13

334 ± 9

417 ± 13 b

440 ± 11 b

Ile

135 ± 19

227 ± 21 a

91 ± 9 a,c

122 ± 6

122 ± 2 b

134 ± 9 b

Leu

228 ± 18

317 ± 21 a

543 ± 35 a.c

177 ± 7

195 ± 4 b

189 ± 6 b

Phe

72 ± 3

71 ± 1

73 ± 1

69 ± 2

72 ± 2

70 ± 2

BCAA

625 ± 37

988 ± 71 a

793 ± 40 a,c

513 ± 20

530 ± 9 b

529 ± 20 b

∑ - BCAA

3975 ± 151

4157 ± 87

3928 ± 94

3361 ± 86 b

3846 ± 75 a

3819 ± 74 a

  1. Means ± SE, p ˂ 0.05
  2. a compared to the corresponding control (SLD or SLD + S)
  3. b compared to the corresponding fed group
  4. c HLD (HLD + S) vs. HVLID (HVLID + S). Abbreviations as indicated in Table 1