Ganoderic acid F
Ganoderic acid F has anti-hepatitis B, anti-inflammatory, and anti-tumor-promoting 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.
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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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Pharmacokinetics of ganoderic acids a and f after oral administration of ling zhi preparation in healthy male volunteers.[Pubmed: 22577465
The objectives of this paper were to evaluate the pharmacokinetics of ganoderic acid A and Ganoderic acid F after a single oral dose of the water extract of MG2-strain Ling Zhi (MG2FB-WE) and to assess the influence of food on the pharmacokinetics in 12 healthy male volunteers.
METHODS AND RESULTS:
This study was a single-dose, open-label, randomized, two-phase crossover study with at least 2 wk washout period. Each subject was randomly assigned to receive a single oral dose of 3,000 mg of MG2FB-WE in granular formulation dissolved in 200 mL of warm water, either under a fasting condition, or immediately after a standard breakfast (fed condition). Blood samples were collected immediately before and at specific time points until 8 h after MG2FB-WE administration. Plasma ganoderic acid A and Ganoderic acid F concentrations were determined by using liquid chromatography-mass spectrometry (LC-MS) technique.
In conclusion, the pharmacokinetic profile of both ganoderic acids under a fasting condition was characterized by rapid absorption from the gastrointestinal tract (T(max) at approximately 30 min) and a short elimination half-life (<40 min). Food significantly decreased C(max) and delayed T(max), but did not affect the extent of ganoderic acid A absorption. However, concomitant food intake markedly impeded both rate and extent of Ganoderic acid F absorption.