Polysaccharides from Nitraria retusa Fruit: Extraction, Purification, Structural Characterization, and Antioxidant Activities-Reference-Cited by-同舟云学术

Polysaccharides from Nitraria retusa Fruit: Extraction, Purification, Structural Characterization, and Antioxidant Activities

Published:2023-01-28 Issue:3 Volume:28 Page:1266
ISSN:1420-3049
Container-title:Molecules
language:en
Short-container-title:Molecules

Author:

Song Lijun¹,Liu Shiqi¹,Zhang Li¹,Pan Leiqing²^ORCID,Xu Long³^ORCID

Affiliation:

1. College of Food Science and Technology, Hebei Normal University of Science & Technology, Qinhuangdao 066600, China

2. College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China

3. College of Food Science and Technology, Henan Agricultural University, Zhengzhou 450002, China

Abstract

Polysaccharides are important bioactive components of Nitraria retusa fruit (NRF). In this study, the ultrasonic-assisted extraction (UAE) conditions of polysaccharides from Nitraria retusa fruit (NRFPs) were optimized by response surface methodology (RSM). The structural characteristics and antioxidant activity were investigated. The maximum NRFPs yield of 3.35% was obtained under the following optimal conditions: temperature of 59.5 °C, time of 30.5 min, liquid-to-solid ratio of 19.5 mL/g. Three polysaccharide fractions, NRFP-1 (20.01 kDa), NRFP-2 (28.96 kDa), and NRFP-3 (67.45 kDa), were isolated. Glucose, galactose, and arabinose in different percentages were identified as the primary monosaccharide units. The Fourier transform infrared spectrometer (FT-IR) and nuclear magnetic resonance (NMR) analysis indicated the presence of α- and β-glycosidic bonds in NRFPs. The NRFP-3 exhibited the highest scavenging activities against DPPH, ABTS, -OH free radicals, and Fe+3-reducing activity.

Funder

Fundamental Research Fund for Yong Talents of Henan Agricultural University

Publisher

MDPI AG

Subject

Chemistry (miscellaneous),Analytical Chemistry,Organic Chemistry,Physical and Theoretical Chemistry,Molecular Medicine,Drug Discovery,Pharmaceutical Science

Link

https://www.mdpi.com/1420-3049/28/3/1266/pdf

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