Table 2 Determination of the fine structure and kinetics of degradation products from phytoglycogen, amylopectin and glycogen over time.

From: Molecular structure and characteristics of phytoglycogen, glycogen and amylopectin subjected to mild acid hydrolysis

Time (min)

Phytoglycogen

Amylopectin

Glycogen

Mw

Rz

ρ

D

CDR

Mw

Rz

ρ

D

CDR

Mw

Rz

ρ

D

CDR

0

2140.0

43.1

266.4

1.1

1.1

8370.0

128.8

17.7

2.3

1.1

530.1

29.4

209.4

1.5

0.9

5

799.8

32.7

228.9

1.5

0.9

413.3

62.1

17.2

2.2

0.8

319.5

30.9

107.4

1.2

0.6

30

529.9

34.2

132.5

1.7

1.1

200.2

53.5

13.1

2.8

0.8

152.9

25.7

89.7

1.4

0.4

120

268.4

47.8

24.6

2.0

1.1

27.3

33.7

7.1

2.8

0.8

89.2

37.7

16.6

1.6

0.2

360

37.3

35.8

8.1

2.4

1.7

5.5

29.2

2.2

3.0

1.3

30.8

29.2

12.4

2.9

1.4

720

7.5

21.1

0.8

2.8

2.3

4.9

23.6

3.7

12.4

7.4

10.2

21.8

9.8

5.0

0.8

k

3.45

6.13

0.96

  1. Mw (×104 g/mol), weight-average molar mass; Rz (nm), z-root mean square radius of gyration; ρ (g/mol·nm3), molecular density; D, dispersity; CDR, combined dispersity ratio; k (×10-5/s), rate constant.ρ was calculated as Mw/Rz3. D was calculated as Mw/Mn. CDR was calculated as Mw2/MnMz.
Back to article page