Sample

ZINC LEVEL (mg/g)

Raw

Processed

Mean difference

P-value

Bitter Slenderleaf

(C. brevidens)

2.8 (mg/g)

2.7 (mg/g)

0.1 (mg/g)

0.040*

Mild Slenderleaf

(C. ochroleuca)

2.2 (mg/g)

2.0 (mg/g)

0.2 (mg/g)

0.001**