Table 1 The yield, monosaccharide compositions (mol%) and degree of methyl esterification of cell walls and HEPES fractions from celery collenchyma strands at different stages of development

1

2–5

7.1

2.2^d

0.8^a

9.1^d

6.2^a

2.0^a

9.4^b

2.0^a

40.3^b

950^a

2

10–15

7.8

1.9^c

0.9^b

6.5^c

6.7^b

2.6^b

10.3^b

2.1^b

37.0^a

982^ab

3

20–25

10.2

1.7^b

0.9^b

4.3^b

7.7^c

2.9^c

9.5^b

2.2^c

36.7^a

951^a

4

35–40

12.8

1.5^a

0.9^b

2.5^a

7.9^c

3.0^c

4.7^a

2.2^c

41.5^b

1013^b

1

2–5

2.4

2.4^a

4.6^c

15.5^d

9.9^a

4.5^c

22.8^c

9.8^c

30.5^a

183^a

2

10–15

1.7

2.6^a

1.1^b

11.4^c

12.9^b

2.8^a

16.5^b

5.6^b

47.1^c

436^b

3

20–25

1.1

2.5^a

0.9^ab

10.1^b

16.6^c

3.0^b

16.0^ab

6.6^a

44.3^b

420^b

4

35–40

0.9

2.8^a

0.6^a

9.2^a

17.3^d

2.9^b

14.9^a

6.3^a

46.0^bc

435^b