Analysis of Phenolic Compounds and Antioxidant Activity in Wild Blackberry Fruits

被引:64
作者
Oszmianski, Jan [1 ]
Nowicka, Paulina [1 ]
Teleszko, Miroslawa [1 ]
Wojdylo, Aneta [1 ]
Cebulak, Tomasz [2 ]
Oklejewicz, Krzysztof [2 ]
机构
[1] Wroclaw Univ Environm & Life Sci, Dept Fruit & Vegetable Proc, PL-51630 Wroclaw, Poland
[2] Univ Rzeszow, Fac Biol & Agr, PL-35601 Rzeszow, Poland
关键词
wild blackberry; phenolic compounds; extraction methods; pressurized liquid extraction; ultrasound-assisted extraction; PRESSURIZED LIQUID EXTRACTION; RUBUS; CAPACITY; SOLVENT; QUANTIFICATION; ANTHOCYANINS; STABILITY;
D O I
10.3390/ijms160714540
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Twenty three different wild blackberry fruit samples were assessed regarding their phenolic profiles and contents (by LC/MS quadrupole time-of-flight (QTOF) and antioxidant activity (ferric reducing ability of plasma (FRAP) and 2,2-azinobis (3-ethyl-benzothiazoline-6-sulfonic acid) (ABTS)) by two different extraction methods. Thirty four phenolic compounds were detected (8 anthocyanins, 15 flavonols, 3 hydroxycinnamic acids, 6 ellagic acid derivatives and 2 flavones). In samples, where pressurized liquid extraction (PLE) was used for extraction, a greater increase in yields of phenolic compounds was observed, especially in ellagic acid derivatives (max. 59%), flavonols (max. 44%) and anthocyanins (max. 29%), than after extraction by the ultrasonic technique extraction (UAE) method. The content of phenolic compounds was significantly correlated with the antioxidant activity of the analyzed samples. Principal component analysis (PCA) revealed that the PLE method was more suitable for the quantitative extraction of flavonols, while the UAE method was for hydroxycinnamic acids.
引用
收藏
页码:14540 / 14553
页数:14
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