Tinnevellin glucoside
Tinnevellin glucoside is a natural product from Cassia angustifolia.
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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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J AOAC Int. 2014 Jul-Aug;97(4):1195-201.
Identification of indicator components for the discrimination of Cassia plants in health teas and development of analytical method for the components.[Pubmed:
25145157]
METHODS AND RESULTS:
Components that could be used as indicators for the discrimination of senna (Cassia angustifolia) from other cassia plants contained in health teas were identified, and an analytical method for the components was developed. Our results revealed two components in senna that were not found in other Cassia spp. widely used in health teas, such as C. alata, C. corymbosa, C. obtusifolia, and C. occidentalis. Structural elucidation of the two components showed that they were isorhamnetin-3-O-gentiobioside and Tinnevellin glucoside. We analyzed commercial health teas using the HPLC method developed in this study. The two indicator components were detected at 366 nm using an RP C18 column and gradient elution with a mixture of water and acetonitrile (with formic acid), as the mobile phase.
CONCLUSIONS:
Our analytical method by HPLC enabled the differentiation of senna from other Cassia plants present in health teas in which sennosides A and B were detected. Moreover, this method allowed us to predict the parts of senna in health teas from the amounts of isorhamnetin-3-O-gentiobioside and Tinnevellin glucoside contained in the teas.
