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Merck
CN

47742

Folin-Denis′ reagent

for the determination of phenols

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About This Item

UNSPSC Code:
12164500
NACRES:
NA.21
MDL number:
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Product Name

Folin-Denis′ reagent, for the determination of phenols

Quality Level

quality

for the determination of phenols

specific analyte(s)

phenol

technique(s)

photometry: suitable

refractive index

n20/D 1.352

application(s)

food and beverages
general analytical

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Application

Folin-Denis′ reagent has been used in the determination of total phenolics in the fruits of Silybum marianum using spectrophotometry technique.

General description

Folin-Denis′ reagent can be prepared by mixing mixture of sodium tungstate and (phospho)molybdic acid in phosphoric acid. This reagent is generally used in determination of phenolics in urine.
Folin-Denis′ reagent has been used for the determination of total phenolic compounds present in the peanut hulls spectrophotometrically.

pictograms

Corrosion

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Met. Corr. 1 - Skin Irrit. 2

Storage Class

8B - Non-combustible corrosive hazardous materials

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable


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Federica Giusti et al.
International journal of food sciences and nutrition, 69(5), 557-565 (2017-11-10)
Consumption of legumes has become popular among health-conscious consumers due to the high levels of nutrients such as proteins, dietary fibres, minerals, vitamins and micronutrients like polyphenols. Ten legumes cultivars organically and conventionally grown were compared regarding their chemical profiles
Scavenging effect of methanolic extracts of peanut hulls on free-radical and active-oxygen species
Yen, Gow Chin, and Pin Der Duh.
Journal of Agricultural and Food Chemistry, 42 (3), 629-632 (1994)
Phenolic Compound Biochemistry
Wilfred Vermerris, Ralph Nicholson
Springer Science & Business Media, 152-152 (2007)
Claudia Giuliani et al.
Fitoterapia, 130, 210-218 (2018-09-15)
Silybum marianum (L.) Gaertn (Asteraceae) is a valuable medicinal plant utilized for silymarin production. However, only fragmentary and contradictory information about silymarin localization within S. marianum fruit are available. In this work, a twofold research approach was adopted in order

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