Table 3 Phorbol ester content of seed, oil and defatted meal of three provenances of J. curcas L. PE content is from dehulled seeds, crude oil and untreated seed cake after mechanical extraction

7.56^a

4.91^a

3.25^a

7.36^a

4.63^a

3.02^a

2.57^b

1.67^b

0.55^b