Journal of Functional Foods, Год журнала: 2024, Номер 123, С. 106590 - 106590
Опубликована: Ноя. 21, 2024
Язык: Английский
Ultrasonics Sonochemistry, Год журнала: 2024, Номер 110, С. 107038 - 107038
Опубликована: Авг. 23, 2024
A response surface methodology (RSM) and one-factor method were established to investigate the optimum conditions for extraction of lychee nuclear polysaccharides (LSP) by ultrasonic-assisted pectinase. The content basic components in was determined. antioxidant activity well determined compared differences activities extracted water (LSP-HW) those at ultrasound-assisted enzyme (LSP-UAE). polysaccharide increased with increase concentration. anti-hydroxyl radical anti-lipid peroxidation abilities more excellent, LSP-HW slightly better than LSP-UAE terms activity, but difference not significant. In solubility; without deproteinization best, followed LSP-UAE, worst after deproteinization. higher glycoprotein content, solubility its polysaccharide. Compared existing methods, this experiment greatly improved rate further enriched polysaccharides.
Язык: Английский
Процитировано
29
Ultrasonics Sonochemistry, Год журнала: 2024, Номер 109, С. 107010 - 107010
Опубликована: Июль 31, 2024
Purple mangosteen scarfskin polysaccharide has many important physiological functions, but its preparation method, structure, and function need further exploration. A was obtained from by ultrasonic-assisted extraction purified. On this basis, structure physicochemical properties were investigated. The Congo red experiment used to determine whether it a triple helix conformation. of purple analyzed infrared spectroscopy nuclear magnetic analysis. antioxidant activities the above three polysaccharides studied related experiments. It found that monosaccharide composition mainly contained large amount arabinose, small rhamnoose very galacturonic acid, core main chain composed 1,4-α-arabinose. did not have spatial configuration. After acetylation polysaccharide, acetylated derivative with degree substitution 0.33 obtained. they had certain scavenging inhibiting effects on hydroxyl radicals lipid peroxidation, their concentration polysaccharides. Meanwhile, activity significantly enhanced after modified treatment acetylation, which indicated chemical modification could effectively improve some polysaccharide. studies provided reference value for research development
Язык: Английский
Процитировано
27
International Journal of Biological Macromolecules, Год журнала: 2024, Номер 278, С. 134594 - 134594
Опубликована: Авг. 8, 2024
Язык: Английский
Процитировано
17
Ultrasonics Sonochemistry, Год журнала: 2025, Номер 113, С. 107220 - 107220
Опубликована: Янв. 2, 2025
Язык: Английский
Процитировано
5
Ultrasonics Sonochemistry, Год журнала: 2025, Номер unknown, С. 107244 - 107244
Опубликована: Янв. 1, 2025
Язык: Английский
Процитировано
3
BMC Complementary Medicine and Therapies, Год журнала: 2024, Номер 24(1)
Опубликована: Июль 25, 2024
Abstract Background Polysaccharide from Garcinia mangostana rind has many biological activities and deserves further research. Methods The antioxidant properties of UAEE-GMRP, UAEE-GMRP-1 A, CM-30, Ac-30 were evaluated through two different activity experimental systems. Results four polysaccharides had a better scavenging effect on hydroxyl radicals, while their inhibitory lipid peroxidation was relatively weak. However, overall, the showed certain degree potential application in experiments mentioned above, especially chemically modified rind, which effectively improved activity. This also indicates that chemical modification is method to improve polysaccharide In addition, these exploration experiments, carboxymethylated stronger compared other three polysaccharides. Conclusion carboxymethylation may have great for application.
Язык: Английский
Процитировано
14
Scientific Reports, Год журнала: 2024, Номер 14(1)
Опубликована: Июнь 18, 2024
Abstract The derivation of polysaccharide has an important impact on its properties. preparation process phosphorylated-shaddock skin polysaccharides (SSP) and acetylated-SSP was optimized by the response surface method. constructed model accurate reliable in predicting substitution phosphate content phosphorylated-SSP. This method simple easy to operate, which provided a basis for large number derivatives.
Язык: Английский
Процитировано
10
Antioxidants, Год журнала: 2025, Номер 14(2), С. 149 - 149
Опубликована: Янв. 27, 2025
Coriander (Coriandrum sativum) is a classical medicinal and edible herb as well spice, but the physicochemical biological properties of its polysaccharides have not been fully studied. In this study, were extracted using an ultrasonic-assisted method purified from fresh coriander, then coriander polysaccharide (CSP) fraction was separated agarose gel Q-Sepharose Fast Flow column. The total sugar content, protein content monosaccharides composition CSPs determined phenol–sulfuric acid method, Coomassie Brilliant Blue HPLC. structural characterization detected ultraviolet spectrophotometry FT-IR spectroscopy. DPPH ABTS free radicals used to explore their antioxidant activities, while inhibitory abilities α-amylase α-glucosidase evaluate hypoglycemic activity. After that, immunomodulatory antitumor activities investigated macrophage RAW264.7 HepG2 cells targets. results showed that contents 66.90 ± 1.44% 1.06 0.32%, respectively. mainly composed fucose, rhamnose, arabinose, galactose, glucose, galacturonic glucuronic acid, with molar ratio 1.13:15.11:9.60:25.98:1.55:44.33:2.29, may be acidic heteropolysaccharide containing pyran rings, α- β-glycosidic bonds acid. Results in vitro experiments IC50 for scavenging 0.759 mg/mL 1.758 mg/mL, respectively; values inhibiting 0.634 2.178 concentration 25~200 μg/mL no obvious toxicity RAW264.7, when treated 100 CSPs, relative cell phagocytosis capacity secreted nitric oxide amount 153.75 12.01% 133.56 5.37%, concentration-dependent ability inhibit growth within test 0.25–2.0 mg/mL. Summarizing results, due excellent antioxidant, anti-tumor expected show good potential comprehensive development food medicine.
Язык: Английский
Процитировано
1
Journal of Food Science, Год журнала: 2025, Номер 90(2)
Опубликована: Фев. 1, 2025
Gualou (Trichosanthes kirilowii Maxim) and Xiebai (Allium macrostemon Bunge) have been extensively studied for their diverse active ingredients, which include flavonoids, polysaccharides, triterpenoids. This study employed a single-factor experiment alongside the Plackett-Burman design utilized response surface methodology to optimize ultrasonic-enzyme-assisted extraction (U-EAT) method functional components in (GLXB). The optimal conditions were identified as solid-to-liquid ratio of 1:11 g/mL, an alcohol concentration 55%, enzyme 1.2%, temperature 40°C. yields triterpenoids obtained 0.94 ± 0.05, 260.46 1.78, 118.69 0.71 mg/g, respectively, demonstrating increases 59.19%, 29.03%, 46.10% compared HL (HL, traditional reflux method). Furthermore, vitro digestion GLXB extract demonstrated significant lipid-lowering hypoglycemic effects. facilitated flocculation lipid droplets during exhibited capacity reduce rate fat digestion. These findings indicate that U-EAT significantly enhanced content ingredients improved activities extract, highlighting its potential further development application foods.
Язык: Английский
Процитировано
1
Scientific Reports, Год журнала: 2025, Номер 15(1)
Опубликована: Фев. 20, 2025
Язык: Английский
Процитировано
1