Citrus sinensis
Sweet orange
- Limonene-dominant; no meaningful chemotype variation
Sweet orange is the cheapest, the safest-looking and the most frequently spoiled oil on a home shelf. It is roughly 94% limonene, it is not…
By botanical part
peel
4 published monographs fall under this facet. A facet here is not a taxonomy label but a safety clue: plants in the same family often share cross-reactivity risk, and the same botanical part often shares extraction and oxidation behaviour.
Monographs in this facet
Citrus limon
Lemon (cold-pressed)
- Limonene-dominant; expressed and distilled differ on furanocoumarins
Cold-pressed lemon is the oil people are most surprised to find restricted. It is cheap, it is in every supermarket, it is in every "natural…
Citrus bergamia
Bergamot (expressed)
- Limonene / linalyl acetate; bergapten content drives the FCF question
Bergamot is the most phototoxic oil in common household use, and it is also the one people are most reluctant to give up, because nothing else…
Citrus x paradisi
Grapefruit
- Limonene-dominant with nootkatone trace
Grapefruit is phototoxic at roughly a third of bergamot's severity — which is still phototoxic. It is also 90% limonene, which makes it the…