thus the separation of all the principal carotenoids on a single chromatogram is possible , for example from a chlorella extract ( in order of decreasing rf-value ) : alpha-carotene , beta-carotene , lutein-5,6-epoxide ( traces ) , violaxathin , lutein , antheraxanthin , neoxanthin neo a , neoxanthin and zeaxanthin .
C0007271
carotenoids
C0053396
beta-carotene