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Table 5 Content of the four flavonoids (1–4) in M . atropurpurea leaves from different locations (mg/g) (n = 3)

From: Flavonoids with α-glucosidase inhibitory activities and their contents in the leaves of Morus atropurpurea

No.

Location

Flavonoids

  

1

2

3

4

Total

MA01

Chaoshan, Guangdong

0.38 ± 0.01

0.33 ± 0.00

0.18 ± 0.01

0.16 ± 0.00

1.04 ± 0.02

MA02

Qingping, Guangdong

0.51 ± 0.02

0.18 ± 0.01

0.29 ± 0.01

0.06 ± 0.00

1.04 ± 0.04

MA03

Zhanjiang, Guangdong

0.32 ± 0.03

0.34 ± 0.02

NDa

0.17 ± 0.01

0.83 ± 0.06

MA04

Zhixing, Guangdong

0.86 ± 0.03

0.46 ± 0.01

0.36 ± 0.01

0.13 ± 0.00

1.80 ± 0.04

MA05

Caizhilin, Guangdong

0.86 ± 0.02

0.67 ± 0.02

0.34 ± 0.00

0.28 ± 0.01

2.12 ± 0.05

MA06

Puning, Guangdong

0.72 ± 0.00

0.53 ± 0.02

0.42 ± 0.00

0.25 ± 0.00

1.92 ± 0.02

MA07

Qingping, Guangdong

1.85 ± 0.04

1.11 ± 0.02

0.95 ± 0.04

0.40 ± 0.02

4.31 ± 0.11

MA08

Zhanjiang, Guangdong

0.33 ± 0.01

0.11 ± 0.01

0.17 ± 0.01

0.06 ± 0.00

0.67 ± 0.04

  1. aND: not detected