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首页> 外文期刊>International Journal of Molecular Sciences >Supercritical Carbon Dioxide and Microwave-Assisted Extraction of Functional Lipophilic Compounds from Arthrospira platensis
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Supercritical Carbon Dioxide and Microwave-Assisted Extraction of Functional Lipophilic Compounds from Arthrospira platensis

机译：超临界二氧化碳和微波辅助提取节肢动物中亲脂性化合物的研究

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Arthrospira platensis biomass was used in order to obtain functional lipophilic compounds through green extraction technologies such as supercritical carbon dioxide fluid extraction (SFE) and microwave-assisted extraction (MAE). The temperature (T) factor was evaluated for MAE, while for SFE, pressure (P), temperature (T), and co-solvent (ethanol) (CS) were evaluated. The maximum extraction yield of the obtained oleoresin was (4.07% ± 0.14%) and (4.27% ± 0.10%) for SFE and MAE, respectively. Extracts were characterized by gas chromatography mass spectrometry (GC-MS) and gas chromatography flame ionization detector (GC-FID). The maximum contents of functional lipophilic compounds in the SFE and MAE extracts were: for carotenoids 283 ± 0.10 μg/g and 629 ± 0.13 μg/g, respectively; for tocopherols 5.01 ± 0.05 μg/g and 2.46 ± 0.09 μg/g, respectively; and for fatty acids 34.76 ± 0.08 mg/g and 15.88 ± 0.06 mg/g, respectively. In conclusion, the SFE process at P 450 bar, T 60 °C and CS 53.33% of CO 2 produced the highest yield of tocopherols, carotenoids and fatty acids. The MAE process at 400 W and 50 °C gives the best extracts in terms of tocopherols and carotenoids. For yield and fatty acids, the MAE process at 400 W and 70 °C produced the highest values. Both SFE and MAE showed to be suitable green extraction technologies for obtaining functional lipophilic compounds from Arthrospira platensis .
机译：为了通过绿色萃取技术（例如超临界二氧化碳流体萃取（SFE）和微波辅助萃取（MAE））获得功能性亲脂性化合物，使用了Arthrospira platensis生物质。对MAE评估了温度（T）因子，对SFE评估了压力（P），温度（T）和助溶剂（乙醇）（CS）。对于SFE和MAE，获得的油树脂的最大提取产率分别为（4.07％±0.14％）和（4.27％±0.10％）。提取物通过气相色谱质谱（GC-MS）和气相色谱火焰电离检测器（GC-FID）进行表征。 SFE和MAE提取物中功能性亲脂性化合物的最大含量为：类胡萝卜素分别为283±0.10μg/ g和629±0.13μg/ g;生育酚分别为5.01±0.05μg/ g和2.46±0.09μg/ g;脂肪酸分别为34.76±0.08 mg / g和15.88±0.06 mg / g。总而言之，在P 450 bar，T 60°C和CS 53.33％的CO 2下进行SFE工艺可生产最高的生育酚，类胡萝卜素和脂肪酸。就生育酚和类胡萝卜素而言，MAE工艺在400 W和50°C的温度下提取效果最佳。对于产率和脂肪酸而言，在400 W和70°C下的MAE过程产生了最高值。 SFE和MAE均被证明是合适的绿色提取技术，可用于从拟螺菌中获得功能性亲脂化合物。

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