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Epimedin K

Cat. No. M40097
Epimedin K Structure
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Biological Activity

Epimedin K (Korepimedoside B), a flavonol glycoside, is isolated from the aerial parts of Epimedium koreanum Nakai. Epimedium koreanum Nakai is a famous Chinese herbal medicine for the research of impotence, osteoporosis, immune suppression and cardiovascular diseases.

Chemical Information
Molecular Weight 964.91
Formula C45H56O23
CAS Number 174286-13-6
Storage Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Conversion of different model animals based on BSA (PMID: 27057123)
Species Mouse Rat Rabbit Guinea pig Hamster Dog
Weight (kg) 0.02 0.15 1.8 0.4 0.08 10
Body Surface Area (m2) 0.007 0.025 0.15 0.05 0.02 0.5
Km factor 3 6 12 8 5 20
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.

References

[1] Koki Makabe et al. Proteins. Aspergillus oryzae α-l-rhamnosidase: Crystal structure and insight into the substrate specificity

[2] Jingwen Su et al. Bioorg Chem. Screening and characterization of a β-xylosidase from Bifidobacterium breve K-110 and its application in the biotransformation of the total flavonoids of epimedium to icariin with α-l-rhamnosidase

[3] Changning Lu et al. Enzyme Microb Technol. Linker-peptide-mediated one-step purification and immobilization of α-L-rhamnosidase from Bacteroides thetaiotaomicron for direct biotransformation from epimedin C to icariin

[4] Hanghang Lou et al. J Fungi (Basel). Purification and Characterization of a Novel α-L-Rhamnosidase from Papiliotrema laurentii ZJU-L07 and Its Application in Production of Icariin from Epimedin C

[5] Ying Liu et al. J Mater Sci Mater Med. Development of epimedin A complex drugs for treating the osteoporosis

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