The most abundant nutrients in a banana are carbohydrates, or sugars. (healthyeating.sfgate.com)
In addition, they act as sinks for terrestrial runoff, supplying abundant nutrients to habitats for many species. (ambergrisCaye.com)
Your point about including spices is especially relevant, as many of these contain abundant nutrients such as anti-inflammatories, anti-oxidants and other good things. (ericamesirov.com)