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Table 2 Identification and Quantification of phenolic compounds in E. umbellata Thunb. fruit Me-Ext/fractions

From: Phytochemical analysis and antidiabetic potential of Elaeagnus umbellata (Thunb.) in streptozotocin-induced diabetic rats: pharmacological and computational approach

Sample Extract

No. of Peak

Retention time (min)

Phenolic compounds Identity

HPLC-UV λmax (nm)

Peak Area of sample

Peak Area of standard

Concentration (μg/ml)

Identification Reference

Me.Ext

1

2.7

Malic acid

320

434.5

40.3

9.7

Standard

2

4.3

Gallic acid

320

25.3

195.4

0.1

Standard

3

4.6

Vitamin C

320

18.2

22.4

0.7

Standard

4

6.0

Chlorogenic acid

320

331.6

12.9

23.1

Standard

5

8.9

Epigallocatechin gallate

320

972.0

72.6

12.1

Standard

6

10.3

Quercetin

320

1849.2

90.9

18.3

Standard

7

12.3

Morin

320

25.7

2.0

11.5

Standard

8

16.7

Elagic acid

320

36.4

319.2

0.1

Standard

9

20.0

Catechin hydrate

320

226.5

78.0

2.6

Standard

10

22.7

Rutin

320

69.4

22.4

2.8

Standard

11

28.1

Pyrogallol

320

11.8

1.0

10.5

Standard

12

30.4

Mandelic acid

320

34.2

72.0

0.4

Standard

Chf-Ext

1

6.0

Chlorogenic acid

320

126.5

12.9

8.8

Standard

2

8.9

Epigallocatechin gallate

320

4706.1

7261.5

58.3

Standard

3

10.3

Quercetin

320

899.1

9089.3

8.9

Standard

4

12.3

Morin

320

63.6

11.5

5.0

Standard

5

16.7

Elagic acid

320

148.0

319.2

0.4

Standard

6

20.0

Catechin hydrate

320

3449.0

78.0

39.8

Standard

7

22.7

Rutin

320

1126.2

2241.2

45.2

Standard

8

28.1

Pyrogallol

320

58.5

1.0

52.1

Standard

EtAc-Ext

1

4.3

Gallic acid

320

966.3

195.4

4.5

Standard

2

10.3

Quercetin

320

1302.0

90.9

12.9

Standard

3

22.7

Rutin

320

355.0

22.4

14.3

Standard

4

28.1

Pyrogallol

320

53.3

1.0

47.5

Standard

5

30.4

Mandelic acid

320

488.7

72.0

6.1

Standard