Angelicide
Reference standards.
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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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한국생물공학회 학술대회, 2008, 107(3):169-170.
Secondary Metabolites Production in Angelica gigas Cell Culture by Two-Stage Process.[Reference:
WebLink]
Angelica gigas is a common traditional medicinal plant that has been used for more than several thousand years in Korea. The commonly used Angelica roots showed pharmacological properties with their chemical compositions. The main chemical constituents of Angelica are decursin, decursinol angelate, Angelicide, brefeldin A, succinic acid and adenine(2). Main constituents associated with the pharmacological activities of Angelica roots had anticancer activity(1), inhibitor of platelet aggregation, antiasthmatic and spasmolytic activities(2). The economic feasibility of production by plant cell culture is primarily determined by productivity. It has been argued that optimization of biomass growth and product formation must be evaluated as to the possibility of implementation in a large-scale process(3). One of solutions was a two-stage process.
METHODS AND RESULTS:
We have changed hormone condition of Angelica gigas cell culture for two-stage culture. After analyzing intracellular compounds of our Angelica gigas cell line, we have validated to increase several secondary metabolites after changing culture medium.
CONCLUSIONS:
In this study, we suggest that two-stage process of plant cell culture is a good system for secondary metabolites production.
Journal of Chromatography A, 1998, 810(1–2):71-79.
Liquid chromatographic-electrospray mass spectrometric study of Angelica sinensis and chemical changes of Z-ligustilide[Reference:
WebLink]
High-performance liquid chromatography–electrospray ionization–mass spectrometry has been applied to analyze the chemical constituents of Danggui (the rhizome of Angelica sinensis) and to study chemical changes of Z-ligustilide.
METHODS AND RESULTS:
Twelve phthalides were unambiguously identified as senkyunolide I (3), senkyunolide H (4), sedanenolide (8), butylphthalide (9), E-ligustilide (13), Z-ligustilide (14), Z-butylidenephthalide (15), Z,Z′-6.8′,7.3′-diligustilide (16), Angelicide (17), levistolide A (18), Z-ligustilide dimer E-232 (19) and Z,Z′-3.3′,8.8′-diligustilide (20) in Danggui extract. The existence of 12 other phthalides (2, 5–7, 11, 12, 22–27), ferulic acid (1) and coniferyl ferulate (10) in Danggui extract has also been demonstrated. Phthalides 3, 4, 16–18 and 20 were determined to be the products from chemical change of Z-ligustilide.
CONCLUSIONS:
This is the first report of the existence of 16 compounds (2–8, 10–12, 20, 22–25 and 27) in Danggui extract.
