Structures, physicochemical and bioactive properties of polysaccharides extracted from Panax notoginseng using ultrasonic/microwave-assisted extraction

Shen, Siwei; Zhou, Chuang; Zhang, Haitian; Hossen, Alomgir; Dai, Jianwu; Li, Suqing; Qin, Wen; Liu, Yaowen

doi:10.1016/j.lwt.2021.112446

Cited by 49 publications

(21 citation statements)

References 43 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Moreover, Yoo et al 42 noted that pectin extracted by MAE at pH 2 had more than 5 times higher M w than pectin extracted at pH 1. Microwave power implicates the conversion of high-frequency energy into heat energy which ensues in a more efficient pectin extraction 52 . On the other hand, Bagherian et al 33 reported that M w decreased with the increasing of microwave power and heating time; they explained that continued heating may lead to pectin degradation (disaggregation of pectin matrix).…”

Section: Resultsmentioning

confidence: 99%

Microwave-assisted extraction of pectin from grape pomace

Spinei

Oroian

2022

Sci Rep

View full text Add to dashboard Cite

The utilization of microwave technique for the pectin extraction from grape pomace (Fetească Neagră and Rară Neagră), its influence on yield, galacturonic acid content, degree of esterification and molecular weight of pectin were analyzed. The optimal conditions of the extraction process were microwave power of 560 W, pH of 1.8 for 120 s. The pectin samples extracted by MAE in optimal conditions were analyzed by comparing with commercial apple and citrus pectin based on FT-IR analysis, thermal behavior, rheological characteristics and microstructure. The FT-IR analysis established the presence of different functional groups which are attributed to the finger print region of extracted pectin, while the rheological behavior presented a good viscoelasticity of pectin solutions. The obtained data assumes that grape pomace has a great potential to be a valuable source of pectin which can be extracted by simple and quick techniques, while maintaining analogous quality to conventional sources of pectin.

show abstract

Section: Resultsmentioning

confidence: 99%

Microwave-assisted extraction of pectin from grape pomace

Spinei

Oroian

2022

Sci Rep

View full text Add to dashboard Cite

show abstract

“…In previous studies, some monosaccharides (mannose, galactose, xylose, rhamnose, arabinose, etc. ), the major constituents of polysaccharides, exhibited satisfying antioxidant activity [ 46 , 47 ]. Thus, the high proportions of mannose and galactose in LPB8-1 might have contributed to its high antioxidant efficacy.…”

Section: Resultsmentioning

confidence: 99%

Extraction, Structural Analysis, and Biofunctional Properties of Exopolysaccharide from Lactiplantibacillus pentosus B8 Isolated from Sichuan Pickle

Jiang

et al. 2022

Foods

View full text Add to dashboard Cite

Two novel exopolysaccharides, named LPB8-0 and LPB8-1, were isolated and purified from Lactiplantibacillus pentosus B8. Moreover, their structure and bioactivities were evaluated through chemical and spectral means. The study results demonstrated that LPB8-0 was primarily composed of mannose and glucose and had an average molecular weight of 1.12 × 104 Da, while LPB8-1 was composed of mannose, glucose, and galactose and had an average molecular weight of 1.78 × 105 Da. Their carbohydrate contents were 96.2% ± 1.0% and 99.1% ± 0.5%, respectively. The backbone of LPB8-1 was composed of (1→2)-linked α-D-Manp and (1→6)-linked α-D-Manp. LPB8-0 and LPB8-1 had semicrystalline structures with good thermal stability (308.3 and 311.7 °C, respectively). SEM results displayed that both LPB8-0 and LPB8-1 had irregular thin-slice shapes and spherical body structures. Additionally, an emulsifying ability assay confirmed that LPB8-0 and LPB8-1 had good emulsifying activity against several edible oils, and this activity was retained under acidic, neutral, and high temperature conditions. Furthermore, an antioxidant assay confirmed that LPB8-1 had stronger scavenging activity than LPB8-0. Overall, these results provide a theoretical basis for the potential application of these two novel exopolysaccharides as natural antioxidants and emulsifiers in the food and pharmaceutical industries.

show abstract

“…According to several reviews of the literature, methods such as high-performance liquid chromatography (HPLC) [13], column chromatography [14], chromatography [15,16], adsorption [17][18][19], water-methanol [20,21], and ultrasonic/microwave-assisted extraction [22][23][24] have been developed for the analysis and separation of chrysin in Oroxylum indicum. However, most methods, such as column chromatography and other traditional methods, have a low separation effect on the structural analogs of chrysin.…”

Section: Introductionmentioning

confidence: 99%

Preparation and Recognition Properties of Molecularly Imprinted Nanofiber Membrane of Chrysin

Wang

Cheng

et al. 2022

Polymers

View full text Add to dashboard Cite

The separation and extraction of chrysin from active ingredients of natural products are of great significance, but the existing separation and extraction methods have certain drawbacks. Here, chrysin molecularly imprinted nanofiber membranes (MINMs) were prepared by means of electrospinning using chrysin as a template and polyvinyl alcohol and natural renewable resource rosin ester as membrane materials, which were used for the separation of active components in the natural product. The MINM was examined using Fourier transform infrared (FT-IR) spectroscopy, scanning electron microscopy (SEM), and thermogravimetric analysis (TGA). The adsorption performance, adsorption kinetics, adsorption selectivity, and reusability of the MINM were investigated in static adsorption experiments. The analysis results show that the MINM was successfully prepared with good morphology and thermal stability. The MINM has a good adsorption capacity for chrysin, showing fast adsorption kinetics, and the maximum adsorption capacity was 127.5 mg·g−1, conforming to the Langmuir isotherm model and pseudo-second-order kinetic model. In addition, the MINM exhibited good selectivity and excellent reusability. Therefore, the MINM proposed in this paper is a promising material for the adsorption and separation of chrysin.

show abstract

Structures, physicochemical and bioactive properties of polysaccharides extracted from Panax notoginseng using ultrasonic/microwave-assisted extraction

Cited by 49 publications

References 43 publications

Microwave-assisted extraction of pectin from grape pomace

Microwave-assisted extraction of pectin from grape pomace

Extraction, Structural Analysis, and Biofunctional Properties of Exopolysaccharide from Lactiplantibacillus pentosus B8 Isolated from Sichuan Pickle

Preparation and Recognition Properties of Molecularly Imprinted Nanofiber Membrane of Chrysin

Contact Info

Product

Resources

About