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Gurguéia nut (Dipteryx lacunifera Ducke) cake as a new source for obtaining cake and extracts rich in bioactive compounds using clean methods
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Gurguéia nut (Dipteryx lacunifera Ducke) cake as a new source for obtaining cake and extracts rich in bioactive compounds using clean methods
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Journal Article
Gurguéia nut (Dipteryx lacunifera Ducke) cake as a new source for obtaining cake and extracts rich in bioactive compounds using clean methods
2024
Overview
Gurguéia nut represents a rich source of lipids and bioactive compounds with the potential for sustainable exploitation. In this work, the nutritional composition, and functional properties of gurguéia cakes obtained by hydraulic press (C1), supercritical CO
2
(C2), and Soxhlet (SOX) with hexane (C3) were evaluated. In addition, hydroethanolic extracts obtained using SOX, pressurized liquid extraction (PLE), and microwave-assisted extraction (MAE) were evaluated for their yield, total phenolic compounds (TPC), flavonols, flavonoids,
ortho
-diphenols (ODP), condensed tannins (CT), and antioxidant potential (ABTS, TRC, CUPRAC, DPPH, FRAP, and IPL). The highest content of protein (34.8 g 100 g
−1
), carbohydrate (45.0 g 100 g
−1
), cellobiose (1710.7 mg 100 g
−1
), and malic acid (1399.4 mg 100 g
−1
) was observed for the sample C2. The highest water and oil absorption and foam capacities were also determined in sample C2. The main phenolic compounds in cakes were catechin (1.2-1.7 mg kg
−1
) and gallic acid (0.7-0.8 mg kg
−1
). The extraction using PLE with 70% ethanol showed the highest yield (35.6-39.9%) and higher antioxidant potential for ABTS (1319.1 mmol TE 100 g
−1
), TRC (1064.0 mg QE 100 g
−1
), CUPRAC (70.4 mmol TE 100 g
−1
), and IPL (75.6%). On the other hand, higher TPC (4624.7 mg GAE 100 g
−1
), flavonoids (418.4 mg EC 100 g
−1
), flavonols (150.4 mg QE 100 g
−1
), and ODP (381.9 mg CGA 100 g
−1
) contents were observed for the extract obtained by PLE with 30% ethanol. The results indicated that gurguéia cake is rich in bioactive compounds and can be fully explored using clean alternative technologies.
Publisher
Springer Berlin Heidelberg
Subject
