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Table 3 Phytochemical screening of crude fractions and extracts of three medicinal orchids of AR

From: Evaluation of antimycobacterial, leishmanicidal and antibacterial activity of three medicinal orchids of Arunachal Pradesh, India

S.No

Name

Alkaloids

Flavanoids

Steroids

Reducing sugars

Cardiac glycosides

Terpenoids

Anthraquinones

Tannins

Phlobatanins

Saponins

1

RrR Et2O

+

+

+

+

+

2

RrR n -BuOH

+

+

+

+

3

RrR Aq ext

+

+

+

4

RrS Et2O

+

+

+

+

+

+

+

+

+

5

RrS n -BuOH

+

+

+

+

+

6

RrS Aq ext

+

+

+

7

RrL Et2O

+

+

8

RrL n -BuOH

+

+

+

9

RrL Aq ext

+

+

10

TcR Et2O

+

+

+

+

+

+

+

+

11

TcR n -BuOH

+

+

12

TcR Aq ext

+

+

+

13

TcS Et2O

+

+

+

+

14

TcS n -BuOH

+

15

TcS Aq ext

+

+

16

TcL Et2O

+

+

+

+

17

TcL n -BuOH

+

+

18

TcL Aq ext

+

+

+

19

SnP n -Hex

+

+

+

+

20

SnP DCM

+

+

+

21

SnP EtOAc

+

+

+

+

+

22

SnP Aq ext

+

+

+

+

23

SnF n -Hex

+

+

+

+

+

+

+

+

24

SnF DCM

+

+

+

+

+

25

SnF EtOAc

+

+

+

+

+

+

+

26

SnF Aq ext

+

+

+

+

+

27

SnL n -Hex

+

+

+

+

+

28

SnL DCM

+

+

29

SnL EtOAc

+

+

+

+

+

30

SnL Aq ext

+

+

+

+

+

+

+

  1. “+” indicates presence, “-” indicates Absence
  2. Flavanoids, steriods, alkaloids and tannins were detected by NaOH-HCl test, Salkowski’s reaction, dragondorff reaction and ferric chloride test respectively
  3. Additional tests were carried out to check the presence of reducing sugar, cardiac glycosides, phlobatannins, anthraqinones, saponins and terpenoids (Rajesh et al., 2010)