Parishin A
Parishin A has good neuroprotective effects against brain disorders.
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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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Oxid Med Cell Longev . 2016;2016:4074690.
Parishin from Gastrodia elata Extends the Lifespan of Yeast via Regulation of Sir2/Uth1/TOR Signaling Pathway[Pubmed:
27429709]
Abstract
Parishin is a phenolic glucoside isolated from Gastrodia elata, which is an important traditional Chinese medicine; this glucoside significantly extended the replicative lifespan of K6001 yeast at 3, 10, and 30 μM. To clarify its mechanism of action, assessment of oxidative stress resistance, superoxide dismutase (SOD) activity, malondialdehyde (MDA), and reactive oxygen species (ROS) assays, replicative lifespans of sod1, sod2, uth1, and skn7 yeast mutants, and real-time quantitative PCR (RT-PCR) analysis were conducted. The significant increase of cell survival rate in oxidative stress condition was observed in parishin-treated groups. Silent information regulator 2 (Sir2) gene expression and SOD activity were significantly increased after treating parishin in normal condition. Meanwhile, the levels of ROS and MDA in yeast were significantly decreased. The replicative lifespans of sod1, sod2, uth1, and skn7 mutants of K6001 yeast were not affected by parishin. We also found that parishin could decrease the gene expression of TORC1, ribosomal protein S26A (RPS26A), and ribosomal protein L9A (RPL9A) in the target of rapamycin (TOR) signaling pathway. Gene expression levels of RPS26A and RPL9A in uth1, as well as in uth1, sir2 double mutants, were significantly lower than those of the control group. Besides, TORC1 gene expression in uth1 mutant of K6001 yeast was inhibited significantly. These results suggested that parishin exhibited antiaging effects via regulation of Sir2/Uth1/TOR signaling pathway.
Chinese Journal of Experimental Traditional Medical Formulae, 2016, (18) :5-8.
Comparison on Chemical Constituents and Pharmacological Effect of Gastrodiae Rhizoma Between Traditional Processing and Integration Processing[Reference:
WebLink]
To elucidate the rationality of integration processing technology based on comparison on chemical constituents and pharmacological effect of Gastrodiae Rhizoma between traditional processing and integration processing.
METHODS AND RESULTS:
Taking contents of gastrodin and parishins as indexes,chemical constituents difference in Gastrodiae Rhizoma between traditional processing and integration processing was compared,effects of Gastrodiae Rhizoma on eclampsia model induced by pentylenetetrazole were observed to compare products with different processing technology. Contents of gastrodin,Parishin A,parishin B,parishin C and parishin E in products of integration processing were 0. 79%,2. 04%,0. 91%,0. 23% and0. 57%,they were 0. 39%,1. 12%,0. 64%,0. 15% and 0. 54% in products of traditional processing. The anti-eclampsia effect of Gastrodiae Rhizoma produced with integrated processing technology was better thantraditional processing technology.
CONCLUSIONS:
Compared with the traditional processing technology, the integrated processing technology is better in guaranteeing the quality of pieces,reducing the cost of production and increasing the production efficiency.
