Betalains, Phenols and Antioxidant Capacity in Cactus Pear [Opuntia ficus-indica (L.) Mill.] Fruits from Apulia (South Italy) Genotypes
Abstract
:1. Introduction
2. Experimental Section
2.1. Sample Material, Standards and Chemical Reagents
2.2. Physico-Chemical Parameters
2.3. Fruit Extract Preparation
2.4. Phenols, Vitamin C and Antioxidant Capacity: Assessment of O. Ficus-Indica (L.) Fruit Extracts
2.5. LC/MS Analysis
2.6. Statistical Analysis
3. Results and Discussion
3.1. Physico-Chemical Parameters
Variety | pH | DW (%) | TSS (°Brix) | Sucrose/Glucose/Fructose (g/100 g FW) |
---|---|---|---|---|
Purple | 5.89 ± 0.24 | 16.70 ± 1.20 | 12.67 ± 0.15 | ND/1.88 ± 0.04/0.78 ± 0.01 |
Orange | 6.02 ± 0.01 | 16.10 ± 0.48 | 12.10 ± 0.14 | ND/2.14 ± 0.10/1.04 ± 0.12 |
Significance | n.s. | n.s. | * | n.s. |
3.2. Antioxidant Capacity of Hydrophilic Cactus Pear Extract
Betacyanin 1 | Vitamin C | Total Phenols | TEAC | ORAC | |
---|---|---|---|---|---|
Variety | mg/100 g FW | mg/100 g FW | mg GAE/100 g FW | mmol/100 g FW | mmol/100 g FW |
Purple | 39.3 ± 5.2 | 36.6 ± 1.5 | 89.2 ± 3.6 | 0.61 ± 0.02 | 1.28 ± 0.02 |
Orange | 3.6 ± 0.9 | 30.2 ± 0.3 | 69.8 ± 1.7 | 0.37 ± 0.02 | 0.98 ± 0.01 |
Significance | *** | * | ** | *** | n.s. |
3.3. Quantification of Betanin in Cactus Pear Fruit Extracts
4. Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
References
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Albano, C.; Negro, C.; Tommasi, N.; Gerardi, C.; Mita, G.; Miceli, A.; De Bellis, L.; Blando, F. Betalains, Phenols and Antioxidant Capacity in Cactus Pear [Opuntia ficus-indica (L.) Mill.] Fruits from Apulia (South Italy) Genotypes. Antioxidants 2015, 4, 269-280. https://doi.org/10.3390/antiox4020269
Albano C, Negro C, Tommasi N, Gerardi C, Mita G, Miceli A, De Bellis L, Blando F. Betalains, Phenols and Antioxidant Capacity in Cactus Pear [Opuntia ficus-indica (L.) Mill.] Fruits from Apulia (South Italy) Genotypes. Antioxidants. 2015; 4(2):269-280. https://doi.org/10.3390/antiox4020269
Chicago/Turabian StyleAlbano, Clara, Carmine Negro, Noemi Tommasi, Carmela Gerardi, Giovanni Mita, Antonio Miceli, Luigi De Bellis, and Federica Blando. 2015. "Betalains, Phenols and Antioxidant Capacity in Cactus Pear [Opuntia ficus-indica (L.) Mill.] Fruits from Apulia (South Italy) Genotypes" Antioxidants 4, no. 2: 269-280. https://doi.org/10.3390/antiox4020269
APA StyleAlbano, C., Negro, C., Tommasi, N., Gerardi, C., Mita, G., Miceli, A., De Bellis, L., & Blando, F. (2015). Betalains, Phenols and Antioxidant Capacity in Cactus Pear [Opuntia ficus-indica (L.) Mill.] Fruits from Apulia (South Italy) Genotypes. Antioxidants, 4(2), 269-280. https://doi.org/10.3390/antiox4020269