Corrigendum to: Chemical constituents of lawang root oil

The authors of the above-mentioned paper regret to inform readers that a key statement about lawang oil was incorrect.In the second paragraph of the Introduction (p.169) we stated, 'Lawang oil (also called paramao oil and culitlawan oil)' but this is not correct.We have since learnt that lawang oil and paramoa oil are distinct.As we state in the manuscript, lawang oil is traditionally isolated from Cinnamomum culitlawan.However, the commercially available paramao oil contains extracts from C. cu