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Table 1 Non-cellulosic monosaccharide composition and degree of methylesterification (DE) of cell wall material prepared from peel and outer pericarp of the good-peeling and the poor-peeling Actinidia eriantha genotypes over the development of detachment

From: Cell separation in kiwifruit without development of a specialised detachment zone

 

Good-peeling genotype

Poor-peeling genotype

MS

ND

DD

FD

ND

DD

FD

Peel

 Rha

5.9 ± 0.8

6.2 ± 0.7

5.1 ± 0.3

4.9 ± 1.0

5.8 ± 1.6

5.2 ± 1.1

 Ara

20.6 ± 3.6

21.7 ± 4.7

17.0 ± 2.3

16.3 ± 4.2

17.9 ± 5.2

18.0 ± 6.0

 Gal

29.3 ± 4.7

31.1 ± 5.8

23.3 ± 2.8

39.3 ± 8.9

39.7 ± 11.0

40.5 ± 11.0

 UA

237.3 ± 31.7

234.6 ± 27.3

211.7 ± 26.6

240.4 ± 41.5

248.4 ± 36.0

202.8 ± 31.9

 Fuc

1.1 ± 0.5

0.9 ± 0.3

0.8 ± 0.1

1.4 ± 0.4

1.9 ± 0.9

1.6 ± 0.7

 Xyl

25.5 ± 9.2

22.8 ± 6.0

19.7 ± 1.7

20.9 ± 5.2

26.7 ± 10.3

24.9 ± 9.8

 Man

7.0 ± 0.8

6.8 ± 0.7

5.4 ± 0.5

7.4 ± 1.3

8.1 ± 2.1

7.7 ± 1.9

 Glc

21.1 ± 2.9

18.6 ± 2.1

12.6 ± 0.3

34.7 ± 5.5

26.3 ± 3.1

20.0 ± 2.3

 TS

294.8 ± 20.7

341.0 ± 20.1

297.2 ± 7.2

388.0 ± 26.2

353.2 ± 30.8a

291.6 ± 32.3b

 DE

57.8 ± 2.7

62.1 ± 4.3

62.7 ± 8.1

55.5 ± 4.2

53.6 ± 5.9

66.7 ± 4.9b

Outer pericarp

 Rha

4.6 ± 2.2

5.1 ± 0.2

4.5 ± 0.6

5.9 ± 1.7

3.9 ± 1.1

3.8 ± 1.3

 Ara

14.3 ± 2.5

14.5 ± 4.5

15.2 ± 6.0

18.9 ± 4.3

14.1 ± 4.3

14.0 ± 3.4

 Gal

19.0 ± 3.5

19.7 ± 4.0

16.9 ± 4.3

30.5 ± 3.5

24.3 ± 4.8

23.5 ± 2.3

 UA

249.2 ± 57.2

246.9 ± 32.1

264.2 ± 62.2

256.4 ± 39.8

306.4 ± 55.1

318.7 ± 30.9

 Fuc

2.4 ± 0.6

2.6 ± 0.5

2.7 ± 0.6

5.9 ± 1.3

4.3 ± 1.1

4.5 ± 0.6

 Xyl

16.6 ± 3.3

18.3 ± 5.5

16.3 ± 5.4

25.9 ± 5.5

17.8 ± 4.6

18.5 ± 3.5

 Man

5.8 ± 1.3

5.8 ± 0.3

5.1 ± 0.3

10.5 ± 2.6

7.9 ± 1.4

7.7 ± 1.0

 Glc

25.6 ± 15.6

25.1 ± 7.7

8.3 ± 1.1

29.0 ± 13.5

19.5 ± 7.9

12.5 ± 4.5

 TS

334.7 ± 28.2

334.1 ± 28.4

336.7 ± 16.5

375.0 ± 25.7

390.4 ± 13.3

398.4 ± 8.3

 DE

69.2 ± 5.6

72.4 ± 9.2^

72.2 ± 5.2^^

60.1 ± 6.4

52.6 ± 4.1

56.1 ± 4.1

  1. The monosaccharide composition is expressed in μg anhydro monosaccharide per mg cell wall material, and DE as the molar ratio of methanol to uronic acid in %. Peelability stages: ND, detachability not developed; DD detachability developing; FD, fully detachable peel. TS, total non-cellulosic sugars (TFA-hydrolysable neutral monosaccharides plus uronic acid). Rha, rhamnose; ara, arabinose; gal, galactose; UA, uronic acid; fuc, fucose; xyl, xylose; man, mannose; glc, glucose. Data are means of n = 4 ± standard deviation. (^) and (^^) represent statistical significance (p value <0.05) between GP and PP at the same developmental stage (DD or FD)
  2. arepresents statistical difference of DD compared to FD
  3. bbetween NP and FD within the PP genotype