Acid ascorbic standard, carotene, and folic acid standards were purchased from Sigma-Aldrich (Steinheim, Germany) with a purity level ≥99.9%. H2O2, HNO3, chlorogenic acid (>98% HPLC), rutin (>99% HPLC), gallic acid (>99% HPLC), and Multi-elemental solutions of 1000 mg L−1 ICP Standard Certipur® were achieved from Merk, (Darmstadt, Germany). All other chemicals were purchased from the same supplier. A Millipore Direct-Q UV system from Merck (Darmstadt, Germany) was used to purified water.
Millipore direct q uv system
Manufactured by Merck Group
Sourced in Germany
The Millipore Direct-Q UV system is a water purification device. It produces high-purity water by using a combination of reverse osmosis and ultraviolet light treatment.
Automatically generated - may contain errors
Lab products found in correlation
Chlorogenic acid, by Merck Group (3 mentions)
Gallic acid, by Merck Group (3 mentions)
Luteolin, by Merck Group (2 mentions)
Rutin, by Merck Group (1 mentions)
Folic acid, by Merck Group (1 mentions)
Icp standard certipur, by Merck Group (1 mentions)
Acetonitrile, by Merck Group (1 mentions)
Acetic acid, by Merck Group (1 mentions)
3 protocols using millipore direct q uv system
1
Quantitative Analysis of Antioxidants
2
HPLC Analysis of Bioactive Compounds
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The pure standard of folic acid was purchased from Supelco (Sigma-Aldrich, St. Louis, MO, USA) and the pure standards of chlorogenic acid (>98% HPLC), luteolin (>99% HPLC), and gallic acid (>99% HPLC) were purchased from the same supplier. Acetonitrile and acetic acid HPLC-gradient were provided by Merck (Darmstadt, Germany), and water was purified with a Millipore Direct-Q UV system from Merck (Darmstadt, Germany).
3
Reagent Purification and Sample Preparation
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Organic acid standards were purchased from Fluka (Fluka, Munich, Germany). Luteolin, gallic acid and chlorogenic acid (with a purity > 99%) were purchased from Supelco (Sigma-Aldrich, St. Louis, MO, USA) Analytical reagents and chemicals were achieved from Supelco (Sigma Aldrich St. Louis, MO, USA). All reagents were of analytical grade. MF-MilliporeTM Membrane Filter (0.45 µm) from Merck (Darmstadt, Germany) were used for sample filtration before further analysis and water was previously purified with a Millipore Direct-Q UV system from Merck (Merk, Darmstadt, Germany).
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