Phenolic profiles of Atlantic sea cucumber (Cucumaria frondosa) tentacles and their biological properties

被引:16
作者
Hossain, Abul [1 ]
Senadheera, Tharindu R. L. [1 ]
Dave, Deepika [1 ,2 ]
Shahidi, Fereidoon [1 ]
机构
[1] Mem Univ Newfoundland, Dept Biochem, St John, NF A1C 5S7, Canada
[2] Mem Univ, Marine Inst, Ctr Aquaculture & Seafood Dev, Marine Bioproc Facil, St John, NF A1C 5R3, Canada
基金
加拿大自然科学与工程研究理事会;
关键词
Sea cucumber by-products; Marine echinoderm phenolics; Antioxidant activity; UHPLC-MS; MS; ANTIOXIDANT PROPERTIES; PRODUCTS; POMEGRANATE; EXTRACTS;
D O I
10.1016/j.foodres.2022.112262
中图分类号
TS2 [食品工业];
学科分类号
0832 ;
摘要
Sea cucumber tentacles (aquapharyngeal bulb) are a rich source of biologically active compounds, including phenolics, however they are mainly discarded as processing waste. This study evaluated free, esterified, and insoluble-bound phenolics of Atlantic sea cucumber (Cucumaria frondosa) tentacles and their antioxidant activity for the first time. Biological properties such as inhibitory activities against alpha-glucosidase, tyrosinase, and the formation of AGEs as well as LDL-cholesterol and DNA oxidation were investigated. The antioxidant activity of the phenolic extracts was also evaluated in a fish model system. In the UHPLC-QTOF-MS/MS analysis, 31 phenolic compounds, mainly phenolic acids and flavonoids, were identified and quantified. Among them, eight compounds were detected for the first time in any species of sea cucumber. The free phenolic fraction was the major form of phenolics, mainly protocatechuic acid, p-coumaric acid, gallic acid, ellagic acid, catechin, and quercetin, exhibiting strong antioxidant and biological activities. Fresh Atlantic salmon treated with sea cu-cumber phenolics delayed lipid oxidation as measured by the thiobarbituric acid reactive substances (TBARS) assay. Therefore, Atlantic sea cucumber tentacles may serve as a viable source of functional food ingredients with protective antioxidant properties.
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页数:9
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