Juice & Wine Analysis

With extremely reliable and efficient equipment as well as a team of experienced technicians, our laboratory provides analytical services of the highest quality, with rapid completion.

SARCO meets the requirements of the international standard ISO 17025 which governs the principles of quality management in laboratories around the world. Our laboratory is audited periodically by COFRAC, independent structure of certification, issuing us accreditation (accreditation N°1-0588, available on www.cofrac.fr).

Furthermore, our laboratory participates in several French and European laboratories international circuits.

All the results are validated and interpreted by our team of experts.

Essai	Méthod
Acetic acid	Enzymatic dosage
Ascorbic acid	Enzymatic dosage
Citric acid	Enzymatic dosage
D and L-Lactic acid	Enzymatic dosage
L-Lactic acid	Enzymatic dosage
L-Malic acid*	Enzymatic dosage*
Tartaric acid	Colorimetric dosage
Total acidity*	Potentiometric titrimetry *
Sorbic acid*	Research (Paper chromatography) * Dosage*
Volatile acidity*	Continuous flowReference method
Yeast assimilable nitrogen	Enzymatic and colorimetric dosageFormoltitration
Colour (OD 420, 520, 620)*	Spectrophotometry*
Colour space L a b	Spectrophotometry
Ashes	OIV method
CO₂	Corning (Steel wine)Aphrometer (Sparkling wines)
Refractometric degree MCR/MC Refractometric degree Juice	Refractometry Refractometry
Malvidol diglucoside *	Research (Paper chromatography)*
Total dry extract*	Densimetric (calculation, alcohol, density)*
Glycerol	Enzymatic dosage*
Glucose + Fructose*	Enzymatic dosage*
Total polyphenol index (OD 280)*	Spectrophotometry*
Clogging index, V Max	Laurenty
Laccase (activity dosage)	Enzymatic dosage
Density*	Areometry* / infra-red reflectivity*
Identification of cloudy and deposit	Microscopy / chemical, microbiological tests
pH*	Potentiometric*
Reducing sugars*	Continuous flow * Reference method*
Saccharose	Enzymatic dosage
Free SO₂*	Continuous flow * Reference method
Total SO₂*	Continuous flow * Reference method*
Total Alcohol content*	Continuous flow * Reference method*
Glucan test Pectin test	Ethanol test Ethanol test
Turbidity	Nephelometry
Energetic value	Calcul
Nominal volume	Metrologic control

*COFRAC accredited analysis (accreditation N°1-0588, available on www.cofrac.fr)

Analytical check up

Check up	Analysis
ON GRAPES
Phenolic maturity	Glories method Partial Glories method (ph3.2)
Maturité phénolique	Reducing sugars (refractometry), TA, pH
ON WINE
Base	VA, free and total SO₂
Base free SO₂	VA, free SO₂
Suivi FML	VA, malic acid
Complete check up	Alcohol, RS, VA, free and total SO₂, TA, pH

*COFRAC accredited analysis (accreditation N°1-0588, available on www.cofrac.fr)