Meanings of easily assimilable in English

The fats are more concentrated but are more expensive and less easily assimilable.

They extract only the easily assimilable substances from their food: proteins, sugars and other simple carbohydrates and fats.

Cheap, clean, white, portable, imperishable, unadulterated, pleasant-tasting, germ-free, highly nutritious, completely soluble, altogether digestible, easily assimilable, requires no cooking and leaves no residue.

But plants can assimilate them from the earth and organize them in such form as to make them easily assimilable by animals and man.