Authentic standards, including acetic acid, phenylacetaldehyde, β-damascenone, dimethyl disulfide, decanal, 4-ethyl-2-methoxyphenol, ethyl benzoate, ethyl lactate, ethyl 3-methylbutanoate, ethyl phenylacetate, furfuryl alcohol, 2-methoxyphenol, limonene, linalool, methional, methyl salicylate, 3-methylbutanal, nonanal, phenylethyl alcohol, sotolone, 3-isobutyl-2-methoxypyrazine (IBMP), 3-methylbutanoic acid and isoamyl acetate were purchased from Sigma-Aldrich Chemical Co. (St. Louis, MO, USA) or Sigma-Aldrich China Co. (Shanghai, China).
4 ethyl 2 methoxyphenol
Manufactured by Merck Group
Sourced in United States
4-ethyl-2-methoxyphenol is a chemical compound that can be used as a laboratory reagent. It has the molecular formula C₁₀H₁₄O₂. The compound is a colorless or pale yellow liquid with a characteristic odor. It is soluble in organic solvents.
Automatically generated - may contain errors
Lab products found in correlation
Phenylacetaldehyde, by Merck Group (1 mentions)
Dimethyl disulfide, by Merck Group (1 mentions)
Methyl salicylate, by Merck Group (1 mentions)
Phenylethyl alcohol, by Merck Group (1 mentions)
Sotolone, by Merck Group (1 mentions)
Furfuryl alcohol, by Merck Group (1 mentions)
Ethyl phenylacetate, by Merck Group (1 mentions)
Methional, by Merck Group (1 mentions)
Ethyl lactate, by Merck Group (1 mentions)
Linalool, by Merck Group (1 mentions)
Decanal, by Merck Group (1 mentions)
2 methoxyphenol, by Merck Group (1 mentions)
Isoamyl acetate, by Merck Group (1 mentions)
Ethyl benzoate, by Merck Group (1 mentions)
β damascenone, by Merck Group (1 mentions)
Ethyl 3 methylbutanoate, by Merck Group (1 mentions)
3 methylbutanoic acid, by Merck Group (1 mentions)
2 isobutyl 3 methoxypyrazine, by Merck Group (1 mentions)
Acetic acid, by Merck Group (1 mentions)
3 methylbutanal, by Merck Group (1 mentions)
3 protocols using 4 ethyl 2 methoxyphenol
1
Authentic Standards for Flavor Analysis
2
Synthesis and Characterization of 4-Ethyl-2-Methoxyphenol
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Chemical
reagents used
in this work including 4-ethyl-2-methoxyphenol (98.0%), phenol (99.5%),
Ca(OH)2 (99.0%), NaOH (99.0%), KBr (spectrographic pure),
DMSO-d6 (99.9%, with 0.03% TMS), and CDCl3 (99.9%) were purchased from Aladdin Industrial Co. (Shanghai,
China). 4-ethyl-2-methoxyphenol with analytical standard (≥98.0%)
was purchased from Sigma-Aldrich Co. (St. Louis). Among these, KBr
was used for infrared spectrum measurement, while CDCl3 and DMSO-d6 were used for nuclear magnetic
resonance (NMR) characterization.
reagents used
in this work including 4-ethyl-2-methoxyphenol (98.0%), phenol (99.5%),
Ca(OH)2 (99.0%), NaOH (99.0%), KBr (spectrographic pure),
DMSO-d6 (99.9%, with 0.03% TMS), and CDCl3 (99.9%) were purchased from Aladdin Industrial Co. (Shanghai,
China). 4-ethyl-2-methoxyphenol with analytical standard (≥98.0%)
was purchased from Sigma-Aldrich Co. (St. Louis). Among these, KBr
was used for infrared spectrum measurement, while CDCl3 and DMSO-d6 were used for nuclear magnetic
resonance (NMR) characterization.
3
Sensory Profiling of Pasteurized and UHT Milk
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The top 10 sales of pasteurized milk and UHT milk products in China were obtained through Nielsen data. This test selected 6 commercial milk samples, including 3 types of UHT milk numbered A1~A3, and 3 types of pasteurized milk numbered B1~B3. The 6 types of milk had similar protein and fat contents, and the detailed information was shown in Table S1. The samples were purchased from Yonghui Supermarket in Beijing. UHT milk within 30 d of production and pasteurized milk within 2 d of production were selected. The former was placed at room temperature and the latter was placed at 4°C. All samples were tested within 24 h after purchase. The reason for only sensing 6 types of milk was that the results of the pre-experiment showed that consumers' patience and conscientiousness decreased significantly when there were more than 6 samples.
The chemicals, including, ethyl hexanoate, (E)-2-octenal, 3-methyl-1-pentanol, benzaldehyde, phenol, 4-ethyl-2-methoxy-phenol, 1-octen-3-ol, 2-methyl-3-heptanone, γ-nonanolactone, δ-hexalactone, δ-decanolactone, γ-Dodecanolactone, and n-alkanes (C 5 -C 25 ), were all provided by Sigma-Aldrich Chemical Co. (St. Louis, Missouri, USA). Purity of the standard > 99%.
The chemicals, including, ethyl hexanoate, (E)-2-octenal, 3-methyl-1-pentanol, benzaldehyde, phenol, 4-ethyl-2-methoxy-phenol, 1-octen-3-ol, 2-methyl-3-heptanone, γ-nonanolactone, δ-hexalactone, δ-decanolactone, γ-Dodecanolactone, and n-alkanes (C 5 -C 25 ), were all provided by Sigma-Aldrich Chemical Co. (St. Louis, Missouri, USA). Purity of the standard > 99%.
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