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Table 1 The sample codes, collection sites and environmental conditions of collected samples

From: Comparison of cytotoxicity between extracts of Clinacanthus nutans (Burm. f.) Lindau leaves from different locations and the induction of apoptosis by the crude methanol leaf extract in D24 human melanoma cells

Sample

Country

State/Province

Region

Environmental conditions

     

Tm (°C)

 
    

Elv (m)

H

L

Rn (mm)

CP2

Malaysia

Negeri Sembilan

Seremban

83.4

31.2

22.4

2010.0

CE1

Malaysia

Sabah

Sandakan

158.7

30.8

22.9

2973.0

CE2

Malaysia

Sabah

Sandakan

74.9

30.8

22.9

2973.0

CE3

Malaysia

Sabah

Tawau

6.8

30.7

23.2

1975.0

CE4

Malaysia

Sabah

Kota Kinabalu

9.7

30.7

23.3

2818.0

CT1

Thailand

Nakhon Pathom

Map Khae

8.1

32.7

22.7

1237.0

CT2

Thailand

Nakhon Pathom

Map Khae

8.1

32.7

22.7

1237.0

CT3

Thailand

Nakhon Pathom

Salaya

4.3

32.5

23.4

1334.0

CT4

Thailand

Chiang Mai

San Sai

309.5

31.5

19.6

1191.0

CT5

Thailand

Chiang Mai

Chiang Dao

439.4

30.6

18.7

1261.0

CV1

Vietnam

Ho Chi Minh

Ho Chi Minh

2.2

31.9

23.1

1873.0

  1. Abbreviation: Elv elevation; Tm mean annual temperature; H highest; L lowest; Rn mean annual rainfall