Oh looks like theres a mistake the oil is actually 73% Trimyristin and 12.5% essential oil meaning the conversion becomes 1gnut oil = .125g essential oil

1g saf x 1g ess. oil / .06g saf x 1g nut oil / 0.125g ess. oil x 1g nut / 0.30g oil
= 444g nut/g safrole. Due?