Preparations: EssencesThe British Pharmaceutical Codex, 1911, was published by direction of the Council of the Pharmaceutical Society of Great Britain. Essentia Amygdalae Composita, B.P.C. Compound Essence of Almonds. Essentia Camporae, B.P.C. Essence of Camphor. Essentia Pulegii, B.P.C. Essence of Pennyroyal. Book Navigation ‹ Enema Ulmi Fulvae, B.P.C. Enema of Slippery Elm. up Essentia Amygdalae Composita, B.P.C. Compound Essence of Almonds. ›