(all-E)-β-Carotene and (all-E)-β,ɛ-carotene 3,3’-diol from Toona Sureni Authors Name: H. Nurdin, *M. T. Ekaprasada, and S. Ibrahim Research Topic: Photo-chemistry Chemistry Publication Identity: Vol. 2, Issue No. 3, pp. 117–121 DOI: DOI PDF: PDF