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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: email@example.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.
The Korea Journal of Herbology2019, 34(2):25-32
Plant Cell Tiss Org2017, 479-486
Pharmaceuticals (Basel).2021, 14(8):742.
Microchemical Journal2022, 182: 107874.
J Int Med Res.2021, 49(7):3000605211032849.
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J Nat Med.2017, 71(4):745-756
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Green Chemistry2021, ISSUE 2.
Zhong Yao Cai . 2011 Aug;34(8):1216-1219.
[Study on the chemical constituents of roots and stems of Nardostachys chinensis][Pubmed: 22233035
Objective: To study the chemical constituents of roots and stems of Nardostachys chinensis.
Methods: The chemical constituents were isolated and purified by column chromatography including silica gel, Diaion HP-20, Sephadex LH-20, ODS, and HPLC. Their structures were elucidated on the basis of spectral data analyses.
Results: Six compounds were isolated and identified as 8-hydroxypinoresinol-4-O-beta-D-glucopyranoside (1), 8-Hydroxypinoresinol-4'-O-beta-D-glucopyranoside (2), 8-hydroxypinoresinol-4-O-(beta-D-glucopyranosyl) 4'-O-beta-D-glucopyranoside (3), cycloolivil 6-O-beta-D-glucopyranoside(4), ferulic acid (5), chlorogenic acid methyl ester (6).
Conclusion: All the compounds are isolated from this genus for the first time.