Polysaccharides from Moringa oleifera gum: structural elements, interaction with β-lactoglobulin and antioxidative activity

Abstract

Structural highlights of an antioxidative arabinogalactan from Moringa oleifera gum that interacts with β-lactoglobulin.

Recent developments in Moringa oleifera Lam. polysaccharides: A review of the relationship between extraction methods, structural characteristics and functional activities

“…However, a low concentration of ethanol was beneficial to the precipitation of MOPs containing a high molecular weight, while a high concentration of ethanol solution was beneficial to the precipitation of MOPs with a low molecular weight. MOPs precipitated by different concentrations of ethanol also showed different chemical structures ( Raja et al, 2016 ). The ultrafiltration method separates polysaccharides under the applied pressure by using the principle of solute molecular diameter and ultrafiltration membrane pore size ( Hu and Goff, 2018 , Ngo et al, 2011 ).…”

“… GC–MS, FT-IR, 1 H and 13 C NMR NA Rha: Ara: Fru: Xyl: Man: Gal was 1.5:2.0:3.1:6.0:5.3:1.1 ( Cui et al, 2019 ) Gum Water (120℃, 2 h) High pressure (100 kpa) EtoH (4℃, 24 h), sevag method, Anion exchange chromatography. GC, FT-IR, GC–MS, Methylation 190 Ara: Gal: Xyl: Rha: GlcA was 64: 25:4:3:4 ( Raja et al, 2016 ) NA: information was not available now. …”

“…In particular, M. oleifera Lam polysaccharides (MOPs) have a variety of biological activities, including antidiabetic, antioxidant, antitumour, antibacterial and immune regulatory activities ( Singhal, Jarald, Showkat, & Daud, 2012 ). Therefore, MOPs have been widely used in various functional food and medicine fields due to their low toxicity and few obvious side effects ( Okuda et al, 2001 , Raja et al, 2016 ). In recent years, many studies have focused on MOPs.…”

Exploiting the Amazing Diversity of Natural Source-Derived Polysaccharides: Modern Procedures of Isolation, Engineering, and Optimization of Antiviral Activities

“…Precise structures of these purified oligosaccharides may be determined by sugar compositional analysis, glycosidic linkage composition, periodate oxidation, NMR, MALDI-TOF-MS or other methods [125][126][127]. Recently, a method based on ESI-MS analysis of peracetylated oligomeric portions, as derived from polysaccharides by Smith degradation or by enzyme hydrolysis followed by acetylation, has been described as an expedient tool for providing critical structural information on a spectrum of oligosaccharides [37,[128][129][130][131]. Moreover, nuclear magnetic resonance (NMR) spectroscopy is an effective, non-invasive method in general studies on biopolymers, and NMR is a particularly valuable technique in the determination of molecular structures of polysaccharides [132][133][134][135][136][137][138][139][140].…”

Morphological and Swelling Potential Evaluation of Moringa oleifera Gum/Poly(vinyl alcohol) Hydrogels as a Superabsorbent

“… 18 All the parts of M. oleifera are nontoxic and beneficial for human health and contain minerals, nutrients, and various antioxidants. 19 , 20 In India, MOG is usually known as sajna gum.…”