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Table 1 Quantities of amino compounds in μmol/L in juices made from the pulp of edible fruits of prickly pears ( Opuntia ficus-indica ) determined by automated ion-exchange chromatography

From: Taurine is absent from amino components in fruits of Opuntia ficus-indica

 

1

2

3

4

5

6

7

8

9

10

11

12

13

14

Range

Tau

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

Urea

559.0

423.2

4702.2

16069.6

9520.3

9718.7

5230.7

4963.7

11057.2

2925.3

1293.8

9086.6

3895.6

4915.0

432 - 16070

Asp

808.9

460.0

330.1

1095.5

1295.0

730.6

686.8

789.4

849.0

883.2

830.3

857.2

1113.1

1089.7

330 - 12 95

Thr

97.2

47.4

27.0

189.5

125.9

169.7

150.5

141.3

137.3

171.4

134.1

54.8

122.0

121.8

27 - 190

Ser

868.8

475.1

323.7

1421.0

1150.0

973.4

1641.5

1740.1

174.3

927.7

752.7

894.2

1107.2

1101.4

174 - 1740

Asn

142.5

61.4

52.5

374.6

309.1

294.9

351.1

313.4

345.0

314.2

261.5

267.5

235.0

222.2

53 - 374

Glu

113.4

215.3

153.8

55.6

ND

96.0

31.3

41.7

54.9

127.3

140.4

235.5

353.3

386.7

ND - 387

Gln

2746.6

3185.8

1578.8

1068.0

1086.2

NQ

2346.6

1920.9

1896.1

1427.2

1422.2

294.6

25.3

NQ

25 - 3186

Pro

4784.8

4542.2

7299.7

7934.3

5809.4

7267.6

6053.3

8807.2

11161.0

3004.9

2263.9

4544.5

8443.3

8549.0

2050 - 11161

Gly

102.0

45.6

87.9

253.6

191.4

256.1

323.7

271.6

334.3

179.3

141.5

48.1

107.9

103.3

48 - 334

Ala

474.2

220.2

361.2

316.5

255.6

269.0

399.2

173.3

239.1

356.8

322.2

224.6

666.0

676.2

173 - 676

Cit

ND

18.2

39.1

283.2

110.35

79.5

52.2

55.6

145.3

21.7

16.7

62.2

64.5

80.3

ND - 283

Val

225.8

118.2

65.5

385.6

315.0

356.0

289.4

278.1

338.5

193.2

163.4

113.9

361.1

357.6

66 - 386

Cys

ND

ND

5.9

6.6

4.1

9.4

11.2

5.1

10.2

28.2

22.0

3.6

ND

ND

ND - 28

Met

120.3

43.8

28.8

232.4

201.9

210.0

232.6

240.1

186.3

189.1

159.0

187.0

312.9

311.5

29 - 313

Ile

167.8

98.1

54.8

426.9

363.0

499.8

207.4

218.9

252.9

218.2

187.4

79.7

298.0

306.5

55 - 500

Leu

237.6

142.8

86.0

359.6

261.7

346.4

272.6

233.4

240.3

317.0

259.1

45.4

128.5

131.7

45 - 360

Tyr

580.7

142.3

125.3

224.9

194.0

319.6

175.3

164.1

226.3

150.3

131.7

45.9

209.1

227.4

46 - 581

Phe

137.7

112.1

85.3

534.5

499.1

525.0

402.5

333.3

395.2

336.6

268.5

304.6

393.1

401.0

85 - 535

ß-Ala

ND

ND

ND

ND

ND

ND

33.0

26.6

42.3

ND

17.3

ND

62.7

71.6

ND - 72

GABA

1850.6

1063.8

1045.3

4220.4

3705.5

2556.7

3142.3

3445.6

3780.9

1238.2

1088.6

887.3

1862.4

1930.0

887 - 4220

His

600.5

810.1

145.6

668.6

511.0

769.7

531.5

563.4

675.6

357.9

302.7

330.6

304

ND

ND - 1456

Trp

65.1

55.6

93.4

151.7

ND

206.0

ND

ND

140.7

131.8

114.2

142.1

ND

73.0

ND - 152

Orn

6.0

9.2

3.9

15.6

3.9

ND

12.9

9.6

15.7

7.0

5.8

2.5

ND

ND

ND - 16

Lys

255.6

180.8

151.8

276.0

179.1

269.2

355.0

267.1

308.5

277.1

229.7

35.6

42.6

48.4

36 - 309

NH3

118.2

144.48

723.4

221.7

197.2

221.1

1217.7

543.5

922.4

552.4

490.3

476.4

2051.9

1331.8

118 - 2052

Eta

(++)

(++)

(++)

121.5

82.6

98.5

175.3

71.4

103.3

186.8

168.6

65.5

99.2

117.7

66 - 187

Arg

254.5

196.0

503.3

456.6

246.0

255.7

987.4

625.3

848.7

208.7

169.4

233.7

138.0

138.9

138 - 987

  1. 1 Green fruit, 2 orange fruit, 3 red fruit (from Sicily); 4-6 orange fruits (from Sicily); 7-9 orange fruits (from Silicy); 10, 11 two orange-red fruits (from the Republic of South Africa); 12, orange fruit (from the Middle East); 13, 14, two different batches of commercial juices from Opuntia ficus-indica; ND, not detected; NQ, not quantified; Eta (++), present in fruit juices 1–3 but not quantified; range, rounded values.