The raw kumquat (mini orange, dwarf orange) has a certain sweetness and tastes slightly bitter. Prefer organic, as it is edible with the peel and seeds.
Conventionally produced guava nectar and guava juice are preserved, therefore not raw. Rarely available in organic quality. Lots of sugar and little vitamin C.
The velvet foot bolete or enoki is popular in Asia, where it is cultivated. The natural winter mushroom is in season from September to April (raw?, organic?).