Abstract
Polysaccharides from Zizyphus jujube cv. Muzao (ZMP) were extracted by ultrasonic-assisted extraction with acidic buffer. The chemical composition and antioxidant and anti-inflammatory activities of ZMP were evaluated. The results revealed that ZMP had a molecular weight of 89.90 kDa and consisted of arabinose, galactose, glucose, rhamnose, and mannose, with molar percentages of 4.52 %, 2.64 %, 1.04 %, 0.49 %, and 0.41 %, respectively. Based on Fourier-transform infrared spectroscopy, ZMP belonged to the type I rhamnogalacturonans family. In vitro antioxidants assays revealed that ZMP had remarkable antioxidant activity in a dose-dependent manner. Proinflammatory cytokines, such as interleukin-6 and tumor necrosis factor alpha, were suppressed by ZMP in lipopolysaccharide-treated RAW264.7 cells. Overall, the results revealed that ZMP has potential applications as a natural anti-inflammatory agent.
Funding statement: This research was financially supported by the National Natural Science Foundation of China (NSFC31401650), the Basic Scientific Research Business of Central University Special Fund Project, People’s Republic of China (2452013py012), Science and Technology Integrated Innovation Project, Shaanxi Province (2013KTZB02-03-04) and National Key Research and Development Program of China (2016YFC0400204). The authors are grateful to Xin Wang for providing technical support.
Abbreviations
- ZMP
Zizyphus jujube cv. Muzao Polysaccharides
- NrF2
NF-E2-related factor
- FTIR
Fourier transform infrared spectroscopy
- SEM
Scanning electron microscopy
- JSXZ
Zizyphus jujube cv. Jinsixiaozao
- WSP
Ziziphus jujube Mill. cv. Dongzao
- CZPU
Zizyphus jujube cv. Junzao
- HJP
Zizyphus jujube cv. Huanghetanzao
- PWJS
Ziziphus jujube Mill. var. spinosa (Bunge) Hu ex H. F. Chousarcocarp
- JPC
Shanxi province jujube
- DDP
Taiwan jujube
- ZJP
Shanghai jujube
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Artikel in diesem Heft
- Articles
- Quality Assessment and Mathematical Modeling of Hot-Air Convective Drying of Persimmon (Diospyros kaki L.) Fruit
- Colour, Texture, Microstructure and Nutrient Retention of Kiwifruit Slices Subjected to Combined Air-Impingement Jet Drying and Freeze Drying
- Evaluation of Mass Transfer Properties in Convective Drying of Kiwi and Eggplant
- Water Dynamics in Turbot (Scophthalmus maximus) Flesh during Baking and Microwave Heating: Nuclear Magnetic Resonance and Magnetic Resonance Imaging Studies
- Microwave-Driven Sugar Beet Pulp Liquefaction in Polyhydric Alcohols
- Drying Kinetics and Quality Attributes of White Radish in Low Pressure Superheated Steam
- A Comparative Study of Combined Microwave Techniques for Longan (Dimocarpus longan Lour.) Drying with Hot Air or Vacuum
- Chemical Characterization and Anti-inflammatory Activity of Polysaccharides from Zizyphus jujube cv. Muzao
- Physicochemical Properties of A- and B-type Granules of Wheat Starch and Effects on the Quality of Wheat-Based Noodle
- Potential Use of Tuna (Thunnus albacares) by-product: Production of Antioxidant Peptides and Recovery of Unsaturated Fatty Acids from Tuna Head