Fig. (2) Carotenoid HPLC elution profile from the carotenoid-proteins complex (CPC) isolated by SEC as shown in Fig. (1). (A) spectrum from white cassava storage root. (B) Spectrum from intense yellow cassava storage root. (1) is Cis 9 β-carotene, (2) is All E β-carotene, (3) is Cis 13 β-carotene separated in a C30 column and identified by using external β-carotene standard, β-carotene absorption spectrum and retention time.