Programa de Ingeniería en Nanotecnología, Universidad Pontificia Bolivariana, Medellin 050004, Colombia.
Facultad de Ingeniería Agroindustrial, Universidad Pontificia Bolivariana, Medellin 050004, Colombia.
Molecules. 2022 Feb 3;27(3):1038. doi: 10.3390/molecules27031038.
According to the regulations of the United States Food and Drug Administration (FDA), organic solvents should be limited in pharmaceutical and food products due to their inherent toxicity. For this reason, this short paper proposes different mechanical treatments to extract lycopene without organic solvents to produce an edible sunflower oil (SFO) enriched with lycopene from fresh pink guavas ( L.) (FPGs). The methodology involves the use of SFO and a combination of mechanical treatments: a waring blender (WB), WB+ high-shear mixing (HSM) and WB+ ultrafine friction grinding (UFFG). The solid:solvent (FPG:SFO) ratios used in all the techniques were 1:5, 1:10 and 1:20. The results from optical microscopy and UV-vis spectroscopy showed a correlation between the concentration of lycopene in SFO, vegetable tissue diameters and FPG:SFO ratio. The highest lycopene concentration, 18.215 ± 1.834 mg/g FPG, was achieved in WB + UFFG with an FPG:SFO ratio of 1:20. The yield of this treatment was 66% in comparison to the conventional extraction method. The maximal lycopene concentration achieved in this work was significantly higher than the values reported by other authors, using high-pressure homogenization for tomato peel and several solvents such as water, SFO, ethyl lactate and acetone.
根据美国食品和药物管理局 (FDA) 的规定，由于有机溶剂的固有毒性，应限制其在医药和食品产品中的使用。出于这个原因，本文提出了不同的机械处理方法，无需使用有机溶剂即可提取番茄红素，从而从新鲜粉红番石榴 (L.) 中生产富含番茄红素的可食用葵花籽油 (SFO)。该方法涉及使用 SFO 和机械处理的组合：Waring 搅拌器 (WB)、WB+高剪切混合 (HSM) 和 WB+超微摩擦研磨 (UFFG)。所有技术中使用的固液比 (FPG:SFO) 分别为 1:5、1:10 和 1:20。光学显微镜和紫外可见光谱的结果表明，SFO 中的番茄红素浓度、蔬菜组织直径和 FPG:SFO 比之间存在相关性。在 FPG:SFO 比为 1:20 的 WB+UFFG 中，获得了最高的番茄红素浓度，为 18.215±1.834mg/g FPG。与传统提取方法相比，该处理的收率为 66%。与其他作者使用高压匀浆处理番茄皮和几种溶剂（如水、SFO、乳酸乙酯和丙酮）的报道相比，本工作中获得的最大番茄红素浓度明显更高。
