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Supercritical CO2 extraction of tomato pomace: Evaluation of the solubility of lycopene in tomato oil as limiting factor of the process performance.
Food Chemistry ( IF 8.5 ) Pub Date : 2020-01-22 , DOI: 10.1016/j.foodchem.2020.126224
Pietro Squillace 1 , Fabrizio Adani 1 , Barbara Scaglia 1
Affiliation  

This work considered lycopene (lyc) amount and (all-E)-lyc:Z-lyc (E:Z) ratio as driving parameters of the tomato pomace (TP) supercritical CO2 extraction (SFE_CO2) performance. By testing lyc concentrations solubilization in tomato seed oil and E:Z ratios of 75:25, 59:39 and 25:75, full and partial equations (SE) were calculated. The application of mass balances to experimental TP_SFE_CO2 highlighted an extraction yield of 84.6% TP lyc, although the recovery into the extract was 48.4% of the extracted lyc (lyc = 1339 μg g-1 oil). The SE application to TP_SFE_CO2 data confirmed that partial solubilization mainly depended on oil availability vs. lyc amount. Thus an improved TP_SFE_CO2 was designed in which 703 g of exogenous tomato oil will be fluxed from the co-solvent tank: the new process will produce 884 g kg-1 d.m. of extract with an expected recovery of 99.3% of the extractable lyc (lyc = 502 μg g-1 oil).

中文翻译:

超临界CO2提取番茄果渣:番茄红素在番茄油中的溶解度评估是加工性能的限制因素。

这项工作认为番茄红素(lyc)的量和(all-E)-lyc:Z-lyc(E:Z)的比例是番茄渣(TP)超临界CO2提取(SFE_CO2)性能的驱动参数。通过测试番茄种子油中的lyc浓度增溶以及E:Z比例为75:25、59:39和25:75,可以计算出全部方程式和部分方程式(SE)。将质量平衡应用于实验TP_SFE_CO2可以突出显示TP lyc的提取率为84.6%,尽管提取物中的回收率为提取的lyc的48.4%(lyc = 1339μgg-1油)。SE对TP_SFE_CO2数据的应用证实了部分增溶作用主要取决于油的利用率与lyc量。因此,设计了一种改进的TP_SFE_CO2,其中将703 g外源番茄油从助溶剂罐中通入:新工艺将产生884 g kg-1 dm
更新日期:2020-01-22
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