Sang, S., K. Lapsley, X. Cheng, H.-Y. Fu, D.-E. Shieh, N. Bai, R.T. Rosen, R.E. Stark, C.-T. Ho, 2002. New type sesquiterpene lactone from almond hulls (Prunus amygdalus Batch). Tetrahedron Letters. 43:2547-9.
An unusual sesquiterpene lactone, named amygdalactone, was isolated from almond hulls for the first time. This class of compounds is comprised of natural products with known anti-carcinogenic properties.