Test Price:
$255 per analysis
Acceptable Matrices:
Fruits and vegetables, juices, fruit concentrates, and grains
Quantitation Limit:
491 mg/Kg
Sample Size Requirements:
50 grams
Equipment:
Spectrophotometer
Reportable Units:
mg/Kg
Turnaround Time:
7 – 9 Business Days
Is rush testing available?
Yes
Method Reference:
In-House, Miletic et al (2012) Phenolic Content of Plum AJCS 6(4) 681-687
Method Description:
Free polyphenols are extracted using an acidic methanol solution. Bound polyphenols are digested with a strong alkaline, neutralized, and extracted with acidic methanol. All sample extracts are reacted with a Folin-Ciocalteu’s reagent and sodium carbonate. The colored product can be read at 765 nm and compared to a Gallic Acid standard curve run concurrently.
Additional Information:
Estimates or good sample descriptions are helpful.