Enhancement of β-Carotene Synthesis by Citrus Products | Zendy

A. Ciegler | Zendy; George E. Nelson | Zendy; H. H. Hall | Zendy

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Enhancement of β-Carotene Synthesis by Citrus Products

Author(s) -

A. Ciegler,

George E. Nelson,

H. H. Hall

Publication year - 1963

Publication title -

applied microbiology

Language(s) - English

Resource type - Journals

ISSN - 0003-6919

DOI - 10.1128/am.11.2.128-131.1963

Subject(s) - carotene , food science , chemistry , cottonseed , pigment , carotenoid , kerosene , gossypol , corn oil , hydrolysis , biochemistry , organic chemistry

β-Ionone, a stimulatory compound in the microbiological production of β-carotene by mated cultures ofBlakeslea trispora , could be replaced with low-cost agricultural by-products (citrus oils, citrus pulp, or citrus molasses) with as good or better carotene yields. Peak yields (81 to 129 mg of carotene per g of dry solids) were achieved in 5 days. The various citrus products tested did not change the pigments produced; alltrans -β-carotene remained the pre-dominant pigment. The acid-hydrolyzed soybean meal and corn used in previous production media could be replaced with unhydrolyzed cottonseed embryo meal and corn in a medium that also contained a natural lipid, deodorized kerosene, nonionic detergent, and a precursor.

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