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Theobromine

Manufactured by Yuanye Bio-Technology
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Sourced in China

Theobromine is a lab equipment product manufactured by Yuanye Bio-Technology. It is a methylxanthine compound that can be used for various research and analytical purposes. The core function of Theobromine is to serve as a chemical standard and reference material for analytical procedures.

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Lab products found in correlation

Caffeine, by Yuanye Bio-Technology (2 mentions) Gallocatechin, by Merck Group (1 mentions) Epigallocatechin, by Merck Group (1 mentions) Tryptophan, by Merck Group (1 mentions) Gallocatechin gallate, by Merck Group (1 mentions) Catechin gallate, by Merck Group (1 mentions) Epicatechin gallate, by Merck Group (1 mentions) Proline, by Merck Group (1 mentions) Valine, by Merck Group (1 mentions) 1 3 7 trimethyluric acid, by Merck Group (1 mentions) Procyanidin b1, by ChemFaces (1 mentions) Quercetin 3 galactoside, by Merck Group (1 mentions) Myricetin 3 galactoside, by Merck Group (1 mentions) Ultrapure deionized water, by Merck Group (1 mentions) Catechin, by Merck Group (1 mentions) Chlorogenic acid, by Merck Group (1 mentions) Epicatechin, by Merck Group (1 mentions) Naringenin, by Merck Group (1 mentions) Kaempferol 3 glucoside, by Merck Group (1 mentions) Quercetin 3 glucoside, by Merck Group (1 mentions)

2 protocols using theobromine

1

Analytical Standards for Tea Metabolites

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Formic acid and methanol (LC-MS grade) were purchased from TIC (Tokyo, Japan) and Merck (Darmstadt, Germany), respectively. Deionized ultrapure water was obtained from Millipore (Bedford, MA, USA). Flavanols of epigallocatechin gallate (EGCG), epigallocatechin (EGC), epicatechin gallate (ECG), epicatechin (EC), gallocatechin gallate (GCG), gallocatechin (GC), catechin gallate (CG), and catechin (C), 1,3,7-trimethyluric acid, kaempferol-3-glucoside, quercetin-3-glucoside, quercetin-3-galactoside, myricetin 3-galactoside, naringenin, valine, tryptophan, arginine, proline, theogallin, chlorogenic acid and 5-methoxysalicylic acid were obtained from Sigma (St. Louis, MO, USA). Theacrine, theobromine and caffeine were purchased from Yuanye (Shanghai, China). Procyanidin B1, procyanidin B2 and procyanidin B3 were gained from ChemFaces (Wuhan, Hubei, China). Epiafzelechin and epiafzelechin 3-gallate were obtained from Mreda (Beijing, China) and Asiabio (Basel, Switzerland), respectively. epigallocatechin-3-O-(3″-O-methyl)-gallate (EGCG3″Me) and epicatechin-3-O-(3″-O-methyl)-gallate (ECG3″Me) were purchased from Nagara Science Co., Ltd. (Gifu, Japan). Phenylethyl primeveroside and benzyl primeveroside were synthesized by staff at the National Glycoengineering Research Center, Shandong University, Jinan, China (Li et al., 2019 (link)).
Wu W., Lu M., Peng J., Lv H., Shi J., Zhang S., Liu Z., Duan J., Chen D., Dai W, & Lin Z. (2022). Nontargeted and targeted metabolomics analysis provides novel insight into nonvolatile metabolites in Jianghua Kucha tea germplasm (Camellia sinensis var. Assamica cv. Jianghua). Food Chemistry: X, 13, 100270.
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2

Comprehensive Chemical Analysis of Teas

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Chromatographically pure acetonitrile and acetic acid was purchased from Thermo Fisher (Waltham, MA, USA). Catechins (C), epicatechin (EC), gallocatechin (GC), epigallocatechin (EGC), epigallocatechin gallate (ECG), gallocatechin gallate (GCG), epigallocatechin-3-O-gallate (EGCG), procyanidin B1, procyanidin C1, kaempferitrin, rutin, isoquercetin, myricetin-3-O-galactoside, myricetin-3-O-rutinoside, galloylglucose, gallic acid, cinnamic acid, chlorogenic acid, shikimic acid, p-coumaric acid, quinic acid, pyrogallic acid, theogallin, strictinin, theanine, theobromine, ethyl gallate, tannic acid, caffeine, L-sodium glutamate, and D-glucose were purchased from Yuanye (Shanghai, China). Quercetin, myricetin, kaempferol, and kaempferol-3-O-glucoside were purchased from Shanghai Zzstandard (Shanghai, China). Amino acid mixture standard reagent, borate buffer solution, o-phthalaldehyde (OPA), and 9-fluorene methyl chloroformate (FMOC) were purchased from Agilent Technology (Santa Clara, CA, USA). n-Hexane was purchased from Thermo Fisher (Waltham, MA, USA). 2-Methyl-3-heptanone and n-alkanes (C7–C30) were purchased from Sigma (St. Louis, MO, USA).
Zou Y., Tang C., Yang X., Guo T, & Song H. (2023). Discovery and Flavor Characterization of High-Grade Markers in Baked Green Tea. Molecules, 28(6), 2462.
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