Rhaponticin(Rhaponiticin) has a noticeable antidiabetic effect and could be potentially used as a new agent to treat type 2 diabetes mellitus and its complications, it can alleviate liver steatosis and improve blood glucose and lipid profiles in KK/Ay diabetic mice.
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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.
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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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Rhaponticin from rhubarb rhizomes alleviates liver steatosis and improves blood glucose and lipid profiles in KK/Ay diabetic mice.[Pubmed: 19235684
We isolated several stilbene compounds including rhaponticin (Rhaponiticin,3',5-dihydroxy-4'-methoxystilbene 3- O-beta- D-glucopyranoside) from extracts of rhubarb rhizomes. These compounds showed significant hypoglycemic effects in streptozotocin (STZ)-induced type 1 diabetic rats and mice.
METHODS AND RESULTS:
In this study, we investigated the effect of rhaponticin on glucose utilization, lipid metabolism, and liver and heart function in a KK/Ay type 2 diabetic mouse model. The results showed that oral administration of rhaponticin (125 mg/kg) significantly reduced blood glucose levels and improved oral glucose tolerance of KK/Ay diabetic mice. Elevated plasma triglyceride (TG), low density lipoprotein (LDL), cholesterol (CHO), non-esterified free fatty acids (NEFA), and insulin levels were also markedly attenuated. Serum enzymatic activities of lactate dehydrogenase (LDH), creatine kinase (CK), aspartate aminotransferase (AST), and alanine aminotransferase (ALT) in the rhaponticin-treated group significantly decreased in comparison to the untreated model group. Livers of rhaponticin-treated mice had relatively normal cellular size and decreased fibrosis and steatosis. In addition, rhaponticin administration caused a remarkable increase in the hepatic glycogen content and a significant reduction in the hepatic triglyceride content.
These results indicate that rhaponticin has a noticeable antidiabetic effect and could be potentially used as a new agent to treat type 2 diabetes mellitus and its complications.