Effects of Extraction Methods on Phenolic Content, Antioxidant and Antiplatelet Activities of Tomato Pomace Extracts

被引:15
作者
Plaza, Andrea [1 ]
Rodriguez, Lyanne [2 ]
Concha-Meyer, Anibal A. A. [1 ,3 ]
Cabezas, Rene [4 ]
Zurob, Elsie [5 ]
Merlet, Gaston [6 ]
Palomo, Ivan [2 ]
Fuentes, Eduardo [2 ]
机构
[1] Conicyt, Ctr Estudios Alimentos Proc CEAP, Programa Reg R19A10001, Gore Maule, Talca 3480094, Chile
[2] Univ Talca, Fac Hlth Sci, Thrombosis Res Ctr, Med Technol Sch,Dept Clin Biochem & Immunohematol, Talca 3480094, Chile
[3] Univ Austral Chile, Fac Ciencias Agr & Alimentarias, Inst Ciencia & Tecnol Alimentos, Campus Isla Teja S-N, Valdivia 5090000, Chile
[4] Univ Catolica Santisima Concepcion, Fac Ciencias, Dept Quim Ambiental, Concepcion 4070129, Chile
[5] Univ Santiago Chile, Dept Chem Engn, Lab Membrane Separat Proc LabProSeM, Santiago 9170022, Chile
[6] Univ Concepcion, Fac Ingn Agr, Dept Agroind, Chillan 4070386, Chile
来源
PLANTS-BASEL | 2023年 / 12卷 / 05期
关键词
cardiovascular diseases; platelet; tomato pomace extracts; extraction process; microencapsulate extract; MICROWAVE-ASSISTED EXTRACTION; CARDIOVASCULAR-DISEASE; PLATELET-FUNCTION; PREVENTION; LEAVES; PASTE;
D O I
10.3390/plants12051188
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Aqueous and ethanolic extracts of tomato pomace were examined with the aim of optimizing the extraction process of compounds with cardioprotective activity. Once the results of the ORAC response variables, total polyphenols, degrees Brix, and antiplatelet activity of the extracts were obtained, a multivariate statistical analysis was performed using the Statgraphics Centurion XIX software. This analysis showed that the most relevant positive effects in the inhibition of platelet aggregation were 83 +/- 2% when using the agonist TRAP-6, when the working conditions were the type of tomato pomace conditioning (drum-drying process at 115 degrees C), phase ratio (1/8), type of solvent (ethanol 20%), and type of extraction (ultrasound-assisted solid-liquid extraction). The extracts with the best results were microencapsulated and characterized by HPLC. The presence of chlorogenic acid (0.729 mg/mg of dry sample) was found, a compound that has a potential cardioprotective effect documented in various studies, in addition to rutin (2.747 mg/mg of dry sample) and quercetin (0.255 mg/mg of dry sample). These results show that the extraction efficiency of compounds with cardioprotective activity depends largely on the polarity of the solvent, thus playing an important role in the antioxidant capacity of the extracts of tomato pomace.
引用
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页数:20
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