Rapid test equipment for shelf Life determination of sorghum Coffee Substitute?

Your item is not a main product but a substitute, Its unknown in general public, therefore only your kind and those that knows it well understand how it behave in storage..
You can study about "accelerated shelf life tests. :In food science book or from the web..Just type the keyword i mentioned. Then learn how you can apply it
BTW, there is a forum article about it please search that out...