Sesamoside
Sesamoside has antinociceptive and anti-inflammatory activities.
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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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Zhong Yao Cai. 2014 Mar;37(3):439-42.
Isolation and identification of nine iridoid glycosides from Lamiophlomis rotata by HPLC combining PDA and MS.[Pubmed:
25174110]
To establish a rapid chromatographic method to separate the iridoid glycosides from Lamioplomis rotata, and to identify the target compounds with PDA and MS.
METHODS AND RESULTS:
Methanol-water gradient elution was used to separate and analyze the target compounds. The fluid fractions were gathered according to the chromatogram and dried with the nitrogen airflow. The mass fractions of the target compounds were determined with RP-HPLC and the structures were identified with PDA and MS.
The purity of some compounds exceeded 90% and these 9 compounds were identified as iridoid glycosides, which were Phlorigidoside C (1), Schismoside (2), Sesamoside (3), Shanzhiside methylester (4), 6-O-Acetyl shanzhiside methylester (5), Phloyoside II (6), Penstemoside (7), Loganin (8) and 8-O-Acetyl shanzhiside methylester (9).
CONCLUSIONS:
The method is simple and practicable with high efficiency. It can be used to qualitative and quantitative analysis of the 9 iridoid glycosides in Lamiphlomis rotata and its preparations.
