Standards of the following phenolic compounds were obtained from PhytoLab GmbH & Co. KG (Vestenbergsgreuth, Germany): apigenin, apigenin-7-O-glucoside, trans-cinnamic acid, p-coumaric acid, trans-ferulic acid, protocatechuic acid, maslinic acid, vanillic acid, tyrosol, hydroxytyrosol, hydroxybenzoic acid, hydroxytyrosol acetat, oleanolic acid, oleoside-11-methylester, luteolin, luteolin-7-O-glucoside, (+)-pinoresinol, 1-acetoxypinoresinol, oleuropein, oleacein, p-HPEA-EA, and oleocanthal. Acetonitrile, methanol, water, and formic acid (LC-MS grade) were purchased from Sigma Aldrich Chemie GmbH (Buchs, Switzerland). 2 M Folin-Ciocalteau reagent and anhydrous sodium carbonate (both from Sigma) were used to measure the TPC.
Maslinic acid
Manufactured by Phytolab
Sourced in Germany
Maslinic acid is a naturally occurring pentacyclic triterpene compound found in various plants. It is a chemical compound that can be extracted and used for research and analysis purposes. The core function of maslinic acid is to serve as a chemical standard or reference material for identification, quantification, and study of this compound in various scientific and analytical applications.
Automatically generated - may contain errors
Lab products found in correlation
Oleanolic acid, by Phytolab (3 mentions)
Palmitic acid, by Merck Group (2 mentions)
Corosolic acid, by Phytolab (2 mentions)
Anhydrous sodium carbonate, by Merck Group (1 mentions)
Lc ms grade formic acid, by Merck Group (1 mentions)
Methanol, by Merck Group (1 mentions)
Acetonitrile, by Merck Group (1 mentions)
Apigenin 7 o glucoside, by Phytolab (1 mentions)
P coumaric acid, by Phytolab (1 mentions)
Protocatechuic acid, by Phytolab (1 mentions)
Vanillic acid, by Phytolab (1 mentions)
Luteolin, by Phytolab (1 mentions)
Apigenin, by Phytolab (1 mentions)
Luteolin 7 o glucoside, by Phytolab (1 mentions)
Oleacein, by Phytolab (1 mentions)
Trans ferulic acid, by Phytolab (1 mentions)
Tyrosol, by Phytolab (1 mentions)
Hydroxytyrosol, by Phytolab (1 mentions)
Pinoresinol, by Phytolab (1 mentions)
Oleuropein, by Phytolab (1 mentions)
3 protocols using maslinic acid
1
Quantitative Analysis of Phenolic Compounds
2
Comprehensive Analytical Standards Protocol
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Methanol (MeOH) and hexane (HEX), both AnalaR
Normapur, dichloromethane (DCM) and ethyl acetate (EtOAc), both GPR
Rectapur, and acetonitrile (ACN) HiPerSolv Chromanorm for HPLC–CAD–MS
analysis were obtained from VWR (Vienna, Austria). Formic acid (purity
>98.0%) and conc. ammonia (24%) were purchased from Gatt-Koller
(Absam,
Austria). Water, for extraction and phytochemical analysis, was deionized
and distilled. Betulinic acid (purity 95%), corosolic acid (purity
90%), maslinic acid (purity 89%), oleanolic acid (purity 94%) and
ursolic acid (purity 94%), cyanidin-3-O-sambubioside
(purity 99%), cyanidin-3-O-glucoside (purity 88%),
delphinidin-3-O-glucoside (purity 87%), malvidin-3-O-glucoside (purity 99%), peonidin-3-O-glucoside
(purity 94%), and petunidin-3-O-glucoside (purity
99%) were provided from Phytolab (Vestenbergsgreuth, Germany), hyperoside
(purity 99%), and rutin (purity 99%) from Extrasynthèse (Lyon,
France), and palmitic acid (purity 99%) and linoleic acid (purity
99%) from Sigma-Aldrich (St. Louis, MO).
Normapur, dichloromethane (DCM) and ethyl acetate (EtOAc), both GPR
Rectapur, and acetonitrile (ACN) HiPerSolv Chromanorm for HPLC–CAD–MS
analysis were obtained from VWR (Vienna, Austria). Formic acid (purity
>98.0%) and conc. ammonia (24%) were purchased from Gatt-Koller
(Absam,
Austria). Water, for extraction and phytochemical analysis, was deionized
and distilled. Betulinic acid (purity 95%), corosolic acid (purity
90%), maslinic acid (purity 89%), oleanolic acid (purity 94%) and
ursolic acid (purity 94%), cyanidin-3-O-sambubioside
(purity 99%), cyanidin-3-O-glucoside (purity 88%),
delphinidin-3-O-glucoside (purity 87%), malvidin-3-O-glucoside (purity 99%), peonidin-3-O-glucoside
(purity 94%), and petunidin-3-O-glucoside (purity
99%) were provided from Phytolab (Vestenbergsgreuth, Germany), hyperoside
(purity 99%), and rutin (purity 99%) from Extrasynthèse (Lyon,
France), and palmitic acid (purity 99%) and linoleic acid (purity
99%) from Sigma-Aldrich (St. Louis, MO).
3
Quantification of Triterpene Acids
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Maslinic acid, corosolic acid, oleanolic acid, and ursolic acid were obtained from Phytolab (Vestenbergsgreuth, Germany), lithocholic acid (LCA), chenodeoxycholic acid (CDCA), oleic acid, and palmitic acid from Sigma Aldrich (St. Louis, MO, United States), stearic acid and 4-methoxycinnamic acid from Fluka (Buchs, Switzerland), chlorogenic acid from Carl Roth (Karlsruhe, Germany), and linoleic acid from Acros (Geel, Belgium). Eugenol was isolated from clove and the identity and purity tested by ATR-IR spectroscopy. All reference and standard compounds were obtained in a purity of ≥90%. They were dissolved to 1.0 mg/mL in MeOH. The triterpene acids (TTAs) used for the quantification were mixed and diluted to give a standard solution containing 100 μg/mL of each corosolic acid, Maslinic acid, oleanolic acid, and ursolic acid followed by a serial dilution down to 2 μg/mL.
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