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Table 2 Anti-bacterial activity of plant extracts towards M. smegmatis mc2155.

From: Native New Zealand plants with inhibitory activity towards Mycobacterium tuberculosis

Plant species

Common Name

Part

Sample ocation

Extract

    

Aqueous

Ethanol

Methanol

Laurelia novae-zelandiae

Pukatea

Bark

Otari-Wilton

+

-

-

  

Cambium

Otari-Wilton

-

-

+

Lophomyrtus bullata

Ramarama

Leaf

Otari-Wilton

-

-

+

Metrosideros excelsa

Pohutukawa

Leaf

Ngaio

-

-

+

  

Flower

Ngaio

-

+

-

Myoporum laetum

Ngaio

Leaf

Ngaio

+

-

-

Pittosporum tenuifolium

Kohuhu

Leaf

Ngaio

-

+

-

Pseudopanax crassifolius

Lancewood

Leaf

Otari-Wilton

-

-

+

  1. '+' indicates ≥ 90% inhibition of M. smegmatis growth at a concentration of 2 mg/ml or lower.