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3'-Sialyllactose Sodium Salt

CAS# 128596-80-5

3'-Sialyllactose Sodium Salt

Catalog No. BCX1084----Order now to get a substantial discount!

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3'-Sialyllactose Sodium Salt: 5mg Please Inquire In Stock
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Quality Control of 3'-Sialyllactose Sodium Salt

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Chemical structure

3'-Sialyllactose Sodium Salt

3D structure

Chemical Properties of 3'-Sialyllactose Sodium Salt

Cas No. 128596-80-5 SDF Download SDF
PubChem ID 155899187.0 Appearance Powder
Formula C23H38NNaO19 M.Wt 655.53
Type of Compound N/A Storage Desiccate at -20°C
Solubility Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.
Chemical Name sodium;5-acetamido-2-[3,5-dihydroxy-2-(hydroxymethyl)-6-(1,2,4,5-tetrahydroxy-6-oxohexan-3-yl)oxyoxan-4-yl]oxy-4-hydroxy-6-(1,2,3-trihydroxypropyl)oxane-2-carboxylate
SMILES CC(=O)NC1C(CC(OC1C(C(CO)O)O)(C(=O)[O-])OC2C(C(OC(C2O)OC(C(CO)O)C(C(C=O)O)O)CO)O)O.[Na+]
Standard InChIKey LTWFUJWFLMHANB-UHFFFAOYSA-M
Standard InChI InChI=1S/C23H39NO19.Na/c1-7(29)24-13-8(30)2-23(22(38)39,42-19(13)15(35)10(32)4-26)43-20-16(36)12(6-28)40-21(17(20)37)41-18(11(33)5-27)14(34)9(31)3-25;/h3,8-21,26-28,30-37H,2,4-6H2,1H3,(H,24,29)(H,38,39);/q;+1/p-1
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months.
Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it.
About Packaging 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial.
2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial.
3. Try to avoid loss or contamination during the experiment.
Shipping Condition Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request.

3'-Sialyllactose Sodium Salt Dilution Calculator

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3'-Sialyllactose Sodium Salt Molarity Calculator

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Preparing Stock Solutions of 3'-Sialyllactose Sodium Salt

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 1.5255 mL 7.6274 mL 15.2548 mL 30.5097 mL 38.1371 mL
5 mM 0.3051 mL 1.5255 mL 3.051 mL 6.1019 mL 7.6274 mL
10 mM 0.1525 mL 0.7627 mL 1.5255 mL 3.051 mL 3.8137 mL
50 mM 0.0305 mL 0.1525 mL 0.3051 mL 0.6102 mL 0.7627 mL
100 mM 0.0153 mL 0.0763 mL 0.1525 mL 0.3051 mL 0.3814 mL
* Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations.

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References on 3'-Sialyllactose Sodium Salt

Functional in vitro screening of probiotic strains for inoculation of piglets as a prophylactic measure towards Enterotoxigenic Escherichia coli infection.[Pubmed:33333101]

J Microbiol Methods. 2021 Jan;180:106126.

Enterotoxigenic Escherichia coli (ETEC), being the major cause of post-weaning diarrhoea (PWD) in newly weaned piglets, induces poor performance and economic losses in pig production. This functional in vitro screening study investigated probiotic strains for use in suckling piglets as a prophylactic strategy towards PWD. Nine strains were evaluated based on their ability to: enhance intestinal epithelial barrier function, reduce adherence of ETEC F18 to intestinal cells, inhibit growth of ETEC F18, and grow on porcine milk oligosaccharides. Strains included in the screening were of the species Lactobacillus, Enterococcus, Bifidobacterium and Bacillus. Our in vitro screening demonstrated genus-, species and strain-specific differences in the mode of action of the tested probiotic strains. Some of the tested bifidobacteria were able to grow on the two porcine milk oligosaccharides, 3'-sialyllactose sodium salt (3'SL) and Lacto-N-neotetraose (LNnT), whereas most lactic acid bacteria strains and both Bacillus subtilis strains failed to do so. All probiotic strains inhibited growth of ETEC F18 on agar plates. All but the bifidobacteria reduced binding of ETEC F18 to Caco-2 cell monolayers, with the Enterococcus faecium strain having the most profound effect. All three lactic acid bacteria and Bifidobacterium animalis subsp. lactis counteracted the ETEC F18-induced permeability across Caco-2 cell monolayers with the E. faecium strain exhibiting the most pronounced protective effect. The findings from this in vitro screening study indicate that, when selecting probiotic strains for suckling piglets as a prophylactic strategy towards PWD, it would be advantageous to choose a multi-species product including strains with different modes of action in order to increase the likelihood of achieving beneficial effects in vivo.

Toxicological safety assessment of the human-identical milk oligosaccharide 3'-sialyllactose sodium salt.[Pubmed:31418894]

J Appl Toxicol. 2019 Oct;39(10):1378-1393.

Human breastmilk is a mixture of nutrients, hormones and bioactive molecules that are vital for infant growth and development. Infant formula (IF) lacks many of these compounds, most notably human milk oligosaccharides (HMOs), which are abundant in breastmilk but scarce in IF. Sialyllactoses, such as 3'-sialyllactose, constitute a large portion of the HMO fraction. To produce IF that matches breastmilk more closely, biosynthesized human-identical milk oligosaccharides (structurally identical to HMOs) such as 3'-sialyllactose sodium salt (3'-SL) are proposed for use in IF and foods for the general population. The safety assessment of 3'-SL comprised in vitro genotoxicity tests and a 90-day oral (gavage) toxicity study. This is the first 90-day study conducted with 3'-SL using neonatal rats (7 days old at the start of dosing-equivalent age to newborn human infants in terms of central nervous system and reproductive development), demonstrating the safety of 3'-SL for consumption by infants, the most sensitive age group. The neonatal rats received 3'-SL at doses up to 5,000 mg/kg body weight (BW)/day and reference controls received 5,000 mg/kg BW/day of fructooligosaccharide (an ingredient approved for use in IF) for comparison with the high-dose 3'-SL group, followed by a 4-week recovery period. There was no evidence of genotoxicity in vitro. In the absence of any test item-related adverse effects in the 90-day study, the high dose (5,000 mg/kg BW/day) was established as the no-observed-adverse-effect level. This confirms the safety of 3'-SL for use in IF for infants, as well as in functional foods for the general population.

Toxicological evaluation of 3'-sialyllactose sodium salt.[Pubmed:29407203]

Regul Toxicol Pharmacol. 2018 Apr;94:83-90.

The safety of 3'-sialyllactose (3'-SL) sodium salt was evaluated by testing for gene mutations, in vivo and in vitro clastogenic activity, and animal toxicity in beagle dogs and rats. The results of all mutagenicity and genotoxicity tests were negative, indicating that 3'-SL does not have any mutagenic or clastogenic potential. The mean lethal dose (LD(50)) of 3'-SL sodium salt was well above 20 g/kg body weight (bw) in rats. A dose escalation acute toxicity study in Beagle dogs also indicated no treatment-related abnormalities. Subsequent 28-day and 90-day toxicity studies in Sprague- Dawley (SD) rats involved dietary exposure to 500, 1,000, and 2000 mg/kg bw of 3'-SL sodium salt and a water (vehicle) control. There were no treatment-related abnormalities on clinical observations, body weight, food consumption, behavior, hematology, clinical chemistry, organ weights, relative organ weights, urinalysis parameters, or necropsy and histopathological findings. The No Observed Adverse Effect Level (NOAEL) of 3'-SL sodium salt was determined to be higher than 2000 mg/kg bw/day in an oral subchronic toxicity study in rats, indicating that the substance is an ordinary carbohydrate with the lowest toxicity rating. Results confirm that 3'-SL sodium salt has a toxicity profile similar to other non-digestible carbohydrates and naturally occurring human milk oligosaccharides (HMOs) and support its safety for human consumption in foods.

Treatment of Helicobacter pylori infection in rhesus monkeys using a novel antiadhesion compound.[Pubmed:10579973]

Gastroenterology. 1999 Dec;117(6):1316-25.

BACKGROUND & AIMS: Helicobacter pylori can be eradicated by administration of antimicrobials, but resistant strains have emerged, and there is a need for novel therapeutic approaches against this infection. This study aimed to determine the safety and efficacy of 3'-sialyllactose sodium salt (3'SL), an oligosaccharide that occurs naturally in human and bovine milk and that can inhibit the adhesion of H. pylori to human epithelial cells in vitro. METHODS: Twelve H. pylori-positive rhesus monkeys were given 3'SL, either alone (regimens 1 and 2; n = 6) or in combination with omeprazole (regimen 3; n = 4), or bismuth subsalicylate (regimen 4; n = 6). Videogastroscopies were performed before, during, and after treatment, and gastric biopsy specimens were obtained for quantitative cultures and histology. The H. pylori strains colonizing the animals were genotyped. RESULTS: After regimen 1 or 2, 2 of 6 animals were cured permanently, and a third animal was transiently cleared. The 3 other animals remained persistently colonized and did not respond to regimen 3. Regimen 4 resulted in transient decreases in colony counts in 3 of 6 other animals. Gastritis was suppressed only in the 2 animals who became persistently H. pylori negative. There was no apparent relation between 3'SL efficacy and any of the H. pylori tested genotypes. No side effects were observed in any of the animals receiving 3'SL. CONCLUSIONS: Antiadhesive therapy is safe; it can cure or decrease H. pylori colonization in some rhesus monkeys, but the addition of a proton pump inhibitor or bismuth subsalicylate does not increase cure rate.

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