Storage temperature

Arrhenius equation

R²

Estimated shelf life (days)

4˚C ± 1˚C (average temperature in the laboratory refrigerator used for the experiment);

y = 1958.5x − 5.40

0.998

168

15˚C ± 5˚C (average temperature in a wood cupboard in sudano sahelian region of Cameroon during winter);

y = 1837.2x − 3.85

0.999

105

30˚C ± 2˚C (average ambient temperature in sudano-sahelian region of Cameroon for summer);

y = 1792.9x − 4.69

1

56

40˚C ± 3˚C (average temperature in a wood cupboard sudano-sahelian region for summer during the experiment period).

y = 1531.2x − 4.67

0.996

21