SY2416 CATECHINS

Colorimetric method for catechins measurement

Catechins are a group of flavonoid polyphenols found mainly in the seeds and to a lesser extent in the skin. They occur naturally as a defense mechanism against berry infections, so their concentration is higher in varieties grown in humid weather. They are responsible for the bitter notes in the taste of the wine and, because they have antioxidant properties, they contribute to provide color stability during the ripening process. The content of catechins in the sample is directly related to the crushing process and the period of contact with the grape skin.

ADVANTAGES

Liquid reagent ready-to-use
High sensitivity - LoQ 6 mg/L
Standard included

KIT FORMAT

R1: 1 x 40
R2: 1 x 15
STD inc

METHOD
Colorimetric: Cinnamaldehyde

READING
Differential bi-reagent, 620 nm

RANGE
Up to 500 mg/L

LIMIT OF QUANTIFICATION (LoQ)
6 mg/L

TESTS (Estimated)
180

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