thumb|Petitgrain (Citrus aurantium ssp. amara) essential oil in a clear glass vial
thumb|Petitgrain (Citrus aurantium ssp. amara) essential oil in a clear glass vial
Petitgrain () is an essential oil that is extracted from the leaves and green twigs of the bitter orange tree (Citrus aurantium ssp. amara) via steam distillation. It is also known as petitgrain bigarade.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).