Abstract
The bioactive compounds and the antioxidant capacities of mangaba, mango and papaya oils were investigated. Determinations of fatty acid composition, tocopherol, phytosterols, phenolic compounds profile, total carotenoids, and antioxidant activity were carried out in the oils of mangaba, mango and papaya seeds. The analysis of antioxidant activity was performed by the methods DPPH•, ABTS•+, FRAP, and β-carotene/linoleic acid. Only essential fatty acid C18:2 was detected, in an average of 6.2%. In contrast, the main fatty acids quantified were oleic, palmitic, and stearic. The amount of phytosterols in mangaba (1951.7 mg kg-1), papaya (3540.3 mg kg-1), and mango (4565.7 mg kg-1) oils was higher than that of conventional oils, such as soybean oil. α-tocopherol was the main tocopherol found in all oils analyzed. Quantities of phenolic compounds were found only in mango seed oil. Papaya seed oil showed high quantity of total carotenoids (49.90 µg g-1). The possible use of the seeds studied to produce oils appears to be favorable. The information available in this study is of great importance for investigations regarding the use of vegetable oils as raw material for food, pharmaceutical, and chemical industries.
Highlights
The importance of studying more about agroindustrial fruit waste, as a source of bioactive compounds, is related to the appreciation of these raw materials and their residues for obtaining new products of high added value
The results show that the oils extracted from seeds present oxidative inhibition capacity, showing to be efficient in the initial times (F1) as well as in further times of the oxidative process (F2)
The present study presents the composition of bioactive compounds of oils extracted from mangaba, mango, and papaya seeds
Summary
The importance of studying more about agroindustrial fruit waste, as a source of bioactive compounds, is related to the appreciation of these raw materials and their residues for obtaining new products of high added value. The production of high-quality special oil from waste can guarantee the supply of the food, pharmaceutical, chemical and cosmetic industries, meeting the needs for new alternative sources of oils. Besides that, it will allow better utilization of the fruits and the rational and efficient use of residues generated by industry avoiding, waste (Wu et al, 2011; Mirabella et al, 2014)
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