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Extraction Process, Identification of Fatty Acids, Tocopherols, Sterols and Phenolic Constituents, and Antioxidant Evaluation of Seed Oils from Five Fabaceae Species

1
Institute of Natural Products Chemistry, Vietnam Academy of Science and Technology (VAST), 18 Hoang Quoc Viet St., Caugiay Dist., Hanoi 100803, Vietnam
2
Graduate University of Science and Technology, Vietnam Academy of Science and Technology (VAST), 18 Hoang Quoc Viet St., Caugiay Dist., Hanoi 100803, Vietnam
3
Thai Nguyen University of Agriculture and Forestry, Thai Nguyen University, Thai Nguyen Province 23000, Vietnam
4
School of Natural Sciences Education, Vinh University, Vinh City 43100, Vietnam
5
NTT Hi-Tech Institute, Nguyen Tat Thanh University, Ho Chi Minh City 70000, Vietnam
6
Center of Excellence for Biochemistry and Natural Products, Nguyen Tat Thanh University, Ho Chi Minh City 23000, Vietnam
*
Authors to whom correspondence should be addressed.
Processes 2019, 7(7), 456; https://doi.org/10.3390/pr7070456
Received: 25 June 2019 / Revised: 10 July 2019 / Accepted: 11 July 2019 / Published: 16 July 2019
(This article belongs to the Special Issue Green Separation and Extraction Processes)
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Abstract

The present study aimed to extract seed oils and characterize the chemical composition, including fatty acid profiles, tocopherols, sterols, and total phenolics of oils and extracts from five Fabaceae seeds: Glycine soja, Vigna angularis, Phaseolus lunatus, Phaseolus vulgarisand, and Phaseolus coccineus. The composition and content of all substance layers in total lipids of the extracted seed oils from five Fabaceae species contain: polar lipid (PL), sterol (ST), diacylglycerol (DG), triacylglycerol (TG), free fatty acid (FFA), and hydrocarbon and wax (HC + W). Antioxidant activity determined by the 2,2-diphenyl-1-picrylhydrazyl (DPPH) method was also estimated. Among these examined samples, Phaseolus vulgarisand and Phaseolus coccineus seed oils showed high content of α-linolenic acid (59.39% and 49.38%, respectively). Linoleic acid was abundantly found in Vigna angularis (49.01%). Ferunic and caffeic acid, γ-tocopherol, and β-sistosterol were the main ingredients present in the species studied. The V. angularis seed extract displayed significant antioxidant activity. View Full-Text
Keywords: Fabaceae seed oils; fatty acids; tocopherols; sterols; phenolic; antioxidant activity Fabaceae seed oils; fatty acids; tocopherols; sterols; phenolic; antioxidant activity
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Doan, L.P.; Nguyen, T.T.; Pham, M.Q.; Tran, Q.T.; Pham, Q.L.; Tran, D.Q.; Than, V.T.; Bach, L.G. Extraction Process, Identification of Fatty Acids, Tocopherols, Sterols and Phenolic Constituents, and Antioxidant Evaluation of Seed Oils from Five Fabaceae Species. Processes 2019, 7, 456.

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