Liriopesides B
Liriopesides B shows obvious antioxidant and bacteriostatic activities, it also exhibits potential anticancer activity against human ovarian cancer A2780 cells.
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Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to
24 months(2-8C).
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.
Need more advice on solubility, usage and handling? Please email to: service@chemfaces.com
The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.
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Natural Product Research, 2017:1-5.
Liriopesides B inhibited cell growth and decreased CA125 level in human ovarian cancer A2780 cells.[Reference:
WebLink]
To study the effect of Liriopesides B on cell growth curve, cell doubling time, the activity of tumour marker CA125 and alkaline phosphatase (AKP) in human ovarian cancer A2780 cells.
METHODS AND RESULTS:
Both cell growth curve and doubling time were studied by MTT assay, CA125 level and AKP activity were determined by respective kits. Results showed that Liriopesides B could shift down the A2780 cells growth curve in a dose-time-dependent manner and inhibit the proliferation in A2780 cells with the maximum inhibitory rate 94.462% at 120 h, the doubling time was prolonged too. CA125 level was decreased in a dose-dependent way as well as AKP activity.
CONCLUSIONS:
Liriopesides B exhibited potential anticancer activity against human ovarian cancer A2780 cells.
Food Research and Development, 2018.
Study on Activities of Polysaccharide and Liriopesides B from Liriope Spicata Lour. var. Prolifera Y. T. Ma in Vitro.[Reference:
WebLink]
Polysaccharide fromLiriope Spicata Lour. var. Prolifera Y. T. Ma was extracted via hot water extraction and alcohol precipitation method,and its antioxidant activities in vitro were studied.
METHODS AND RESULTS:
Bacteriostatic experiments of different concentrations Liriopesides B was performed by the method of filter paper. Results showed that polysaccharide exhibited different antioxidant activity,with maximum scavenging ability on superoxide anion free radical,up to 70.83 %,medium scavenging capacity on hydroxyl radical(25.69 %),and minimum on DPPH free radical. Different concentrations Liriopesides B(2.0 and 4.0 mg/mL)showed obvious inhibitory effect on both bacteria,bacteriostatic ring diameter of Escherichia coli were(10.83±0.82)mm and(14.89 ±0.50)mm respectively,and the diameter of Staphylococcus aureus were(11.63 ±0.33)mm and(17.05 ±0.67) mm respectively. At the same concentration,Staphylococcus aureus was more sensitive to Liriopesides B than Escherichia coli.
CONCLUSIONS:
In short,polysaccharide and Liriopesides B fromLiriope Spicata Lour. var.Prolifera Y. T. Ma showed obvious antioxidant and bacteriostatic activities.
