Abouzed, T. K., Contreras, M. del M., Sadek, K. M., Shukry, M., H. Abdelhady, D., Gouda, W. M., Abdo, W., Nasr, N.E., Mekky, R.H., Segura- Carretro, A., Kahilo, K.A.A. and Abdel-Sattar, E. 2018. Red onion scales ameliorated streptozotocin-induced diabetes and diabetic nephropathy in Wistar rats in relation to their metabolite fingerprint. Diabetes Research and Clinical Practice. 140, 253–264.
Albuquerque, B. R., Prieto, M. A., Barreiro, M. F., Rodrigues, A., Curran, T. P., Barros, L., and Ferreira, I. C. F. R. 2017. Catechin-based extract optimization obtained from Arbutus unedo L. fruits using maceration/microwave/ultrasound extraction techniques. Industrial Crops and Products. 95, 404–415.
Alonso-Carrillo, N., Aguilar-Santamaría, M. de los Á., Vernon-Carter, E. J., Jiménez-Alvarado, R., Cruz-Sosa, F. and Román-Guerrero, A. 2017. Extraction of phenolic compounds from Satureja macrostema using microwave-ultrasound assisted and reflux methods and evaluation of their antioxidant activity and cytotoxicity. Industrial Crops and Products. 103, 213–221.
Backes, E., Pereira, C., Barros, L., Prieto, M. A., Genena, A. K., Barreiro, M. F. and Ferreira, I. C. F. R. 2018. Recovery of bioactive anthocyanin pigments from Ficus carica L. peel by heat, microwave, and ultrasound based extraction techniques. Food Research International. 113, 197-209.
Benzie, I. F. F. and Strain, J. J. 1999. Ferric reducing/antioxidant power assay: Direct measure of total antioxidant activity of biological fluids and modified version for simultaneous measurement of total antioxidant power and ascorbic acid concentration. Methods in Enzymology. 299, 15–27.
Bhuyan, D. J., Van Vuong, Q., Chalmers, A. C., van Altena, I. A., Bowyer, M. C. and Scarlett, C. J. 2015. Microwave-assisted extraction of Eucalyptus robusta leaf for the optimal yield of total phenolic compounds. Industrial Crops and Products. 69, 290–299.
Campone, L., Celano, R., Lisa Piccinelli, A., Pagano, I., Carabetta, S., sanzo, R. di. and Rastrelli, L. 2018. Response surface methodology to optimize supercritical carbon dioxide/co-solvent extraction of brown onion skin by-product as source of nutraceutical compounds. Food Chemistry. 269, 495-502.
Chan, C. H., See, T. Y., Yusoff, R., Ngoh, G. C. and Kow, K. W. 2017. Extraction of bioactives from Orthosiphon stamineus using microwave and ultrasound-assisted techniques: Process optimization and scale up. Food Chemistry. 221, 1382–1387.
Chuyen, H. V., Nguyen, M. H., Roach, P. D., Golding, J. B. and Parks, S. E. 2018. Microwave-assisted extraction and ultrasound-assisted extraction for recovering carotenoids from Gac peel and their effects on antioxidant capacity of the extracts. Food Science and Nutrition. 6(1): 189–196.
Deng, J., Xu, Z., Xiang, C., Liu, J., Zhou, L., Li, T., Ding, C. 2017. Comparative evaluation of maceration and ultrasonic-assisted extraction of phenolic compounds from fresh olives. Ultrasonics Sonochemistry. 37: 328–334.
Dhanani, T., Shah, S., Gajbhiye, N. A. and Kumar, S. 2017. Effect of extraction methods on yield, phytochemical constituents and antioxidant activity of Withania somnifera. Arabian Journal of Chemistry. 10, S1193–S1199.
Dixit, N., Vaibhav, K., Pandey, R. S., Jain, U. K., Katare, O. P., Katyal, A. and Madan, J. 2015. Improved cisplatin delivery in cervical cancer cells by utilizing folate-grafted non-aggregated gelatin nanoparticles. Biomedicine and Pharmacotherapy. 69, 1–10.
Durović, S., Nikolić, B., Luković, N., Jovanović, J., Stefanović, A., Šekuljica, N. and Knežević-Jugović, Z. 2018. The impact of high-power ultrasound and microwave on the phenolic acid profile and antioxidant activity of the extract from yellow soybean seeds. Industrial Crops and Products. 122, 223–231.
Li, X., Chen, F., Li, S., Jia, J., Gu, H. and Yang, L. 2016. An efficient homogenate-microwave-assisted extraction of flavonols and anthocyanins from blackcurrant marc: Optimization using combination of Plackett-Burman design and Box-Behnken design. Industrial Crops and Products. 94, 834–847.
Liu, Z., Mo, K., Fei, S., Zu, Y. and Yang, L. 2017. Efficient approach for the extraction of proanthocyanidins from Cinnamomum longepaniculatum leaves using ultrasonic irradiation and an evaluation of their inhibition activity on digestive enzymes and antioxidant activity in vitro. Journal of Separation Science. 40(15): 3100–3113.
Mishra, K., Ojha, H. and Chaudhury, N. K. 2012. Estimation of antiradical properties of antioxidants using DPPH - assay: A critical review and results. Food Chemistry. 130(4): 1036–1043.
Munir, M. T., Kheirkhah, H., Baroutian, S., Quek, S. Y. and Young, B. R. 2018. Subcritical water extraction of bioactive compounds from waste onion skin. Journal of Cleaner Production. 183, 487–494.
Mokrani, A. and Madani, K. 2016. Effect of solvent, time and temperature on the extraction of phenolic compounds and antioxidant capacity of peach (Prunus persica L.) fruit. Separation and Purification Technology. 162, 68–76.
Nayak, B., Dahmoune, F., Moussi, K., Remini, H., Dairi, S., Aoun, O. and Khodir, M. 2015. Comparison of microwave, ultrasound and accelerated-assisted solvent extraction for recovery of polyphenols from Citrus sinensis peels. Food Chemistry. 187, 507-516.
Nile, S. H., Nile, A. S., Keum, Y. S. and Sharma, K. 2017. Utilization of quercetin and quercetin glycosides from onion (Allium cepa L.) solid waste as an antioxidant, urease and xanthine oxidase inhibitors. Food Chemistry. 235, 119–126.
Nipornram, S., Tochampa, W., Rattanatraiwong, P. and Singanusong, R. 2018. Optimization of low power ultrasound-assisted extraction of phenolic compounds from mandarin (Citrus reticulata Blanco cv. Sainampueng) peel. Food Chemistry. 241, 338–345.
Praveen Kumar, D. G., Umesh Hebbar, H., Sukumar, D. and Ramesh, M. N. 2005. Infrared and hot‐air drying of onions. Journal of Food Processing and Preservation. 29(2): 132-150.
Rashed, M. M. A., Tong, Q., Nagi, A., Li, J. P., Khan, N. U., Chen, L. and Bakry, A. M. 2017. Isolation of essential oil from Lavandula angustifolia by using ultrasonic-microwave assisted method preceded by enzymolysis treatment, and assessment of its biological activities. Industrial Crops and Products. 100, 236–245.
Ravi, H. K., Breil, C., Vian, M. A., Chemat, F., and Venskutonis, P. R. 2018. Biorefining of Bilberry (Vaccinium myrtillus L.) Pomace Using Microwave Hydrodiffusion and Gravity, Ultrasound-Assisted, and Bead-Milling Extraction. ACS Sustainable Chemistry and Engineering. 6(3): 4185–4193.
Singh, V., Krishan, P. and Shri, R. 2017. Extraction of antioxidant phytoconstituents from onion waste. Journal of Pharmacognosy and Phytochemistry. 6(1): 502–505.
Viera, V. B., Piovesan, N., Rodrigues, J. B., Mello, R. de O., Prestes, R. C., dos Santos, R. C. V. and Kubota, E. H. 2017. Extraction of phenolic compounds and evaluation of the antioxidant and antimicrobial capacity of red onion skin (Allium cepa L.). International Food Research Journal. 24(3): 990–999.
Vinatoru, M., Mason, T. J. and Calinescu, I. 2017. Ultrasonically assisted extraction (UAE) and microwave assisted extraction (MAE) of functional compounds from plant materials. TrAC - Trends in Analytical Chemistry. 97, 159–178.
Wizi, J., Wang, L., Hou, X., Tao, Y., Ma, B. and Yang, Y. 2018. Ultrasound-microwave assisted extraction of natural colorants from sorghum husk with different solvents. Industrial Crops and Products. 120, 203–213.
Yu, Q., Li, C., Duan, Z., Liu, B., Duan, W. and Shang, F. 2017. Ultrasonic microwave-assisted extraction of polyphenols, flavonoids, triterpenoids, and Vitamin C from Clinacanthus nutans. Czech Journal of Food Sciences. 35(1): 89–94.
Zeković, Z., Pintać, D., Majkić, T., Vidović, S., Mimica-Dukić, N., Teslić, N. and Pavlić, B. 2017. Utilization of sage by-products as raw material for antioxidants recovery—Ultrasound versus microwave-assisted extraction. Industrial Crops and Products. 99, 49–59.
Zhang, H., Tchabo, W. and Ma, Y. 2017. Quality of extracts from blueberry pomace by high hydrostatic pressure, ultrasonic, microwave and heating extraction: A comparison study. Emirates Journal of Food and Agriculture. 29(10): 815–819.
Zhao, Z., Liu, P., Wang, S. and Ma, S. 2017. Optimization of ultrasound, microwave and Soxhlet extraction of flavonoids from Millettia speciosa Champ and evaluation of antioxidant activities in vitro. Journal of Food Measurement and Characterization. 11(4): 1947–1958.
Zhu, D. Y., Ma, Y. L., Thakur, K., Wang, C. H., Wang, H., Ren, Y. F. and Wei, Z. J. 2018. Effects of extraction methods on the rheological properties of polysaccharides from onion (Allium cepa L.). International Journal of Biological Macromolecules. 112, 22-32.