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- Title
Carotenoid composition in oils obtained from palm fruits from the Brazilian Amazon.
- Authors
Santos, M. F. G.; Alves, R. E.; Roca, M.
- Abstract
The oils obtained from native palm fruits are considered new sources of high added value phytochemicals, making it necessary to know the composition of the less studied species in order to evaluate their economic potential. The objective of this study is to identify and quantify the carotenoids in palm fruit oils from the Brazilian Amazon: bacaba (Oenocarpus bacaba), buriti (Mauritia flexuosa), inajá (Maximiiiana maripa), pupunha (Bactris gasipaes) and tucumä (Astrocaryum vulgare), by means of liquid phase extraction and HPLC-UV-vis. analysis. The results showed an extremely variable carotenoid content, from 13 mg·kg-1 in bacaba oil to more than 1000 mg·kg-1 in the tucumä one. The oils obtained from buriti, pupunha and tucumä displayed high concentrations of ß-carotene, corresponding to fruits with the series ß, ß dominant metabolism. Upon analyzing the carotenoid profile in bacaba oil for the first time, an extraordinary dominance of the ß, e pathway was observed, proving them to be oils with high lutein and a-carotene contents. Although the ß, ß pathway dominates in inajá oil, the exclusive and high lycopene content implies that LCY-E is barely active in these fruits, in contrast to what has been evidenced so far. It is therefore of the utmost importance to characterize these new potential sources of carotenoids.
- Subjects
AMAZON River Region; SOUTH America; PALM oil; CAROTENOIDS; FRUIT; EDIBLE fats &; oils; ASTROCARYUM; PEACH palm; MAURITIA flexuosa
- Publication
Grasas y Aceites, 2015, Vol 66, Issue 3, p1
- ISSN
0017-3495
- Publication type
Article
- DOI
10.3989/gya.1062142