The volatile standards used in this study are shown in Additional File 4 : Table S1. First, 2,4-dichloroaniline (99.5% purity) was purchased from Tokyo Chemical Industry Co., Ltd. (Tokyo, Japan) for the reagents. However, while n-heptyl β-D-glucopyranoside (98% purity) was purchased from Sigma-Aldrich, Inc. (St. Louis, MO, USA), dichloromethane (99.5% purity), liquid chromatography-mass spectrometry-grade methanol, citric acid, sodium phosphates, sodium fluoride (NaF), ascorbic acid, sodium hydroxide (NaOH) and 3-octanol (97% purity) were obtained from Wako Co. Ltd. (Osaka, Japan).
N heptyl β d glucopyranoside
Manufactured by Merck Group
Sourced in United States, Italy
N-heptyl β-D-glucopyranoside is a non-ionic surfactant used in biochemical and biophysical research applications. It functions as a detergent and solubilizing agent for proteins and other biomolecules.
Automatically generated - may contain errors
Lab products found in correlation
Methanol, by Fujifilm (1 mentions)
Sodium hydroxide (naoh), by Fujifilm (1 mentions)
Ascorbic acid, by Fujifilm (1 mentions)
Sodium fluoride, by Fujifilm (1 mentions)
2 4 dichloroaniline, by Tokyo Chemical Industry (1 mentions)
Dichloromethane, by Fujifilm (1 mentions)
Citric acid, by Fujifilm (1 mentions)
Isovaleric acid, by Merck Group (1 mentions)
Linalool, by Merck Group (1 mentions)
α terpineol, by Merck Group (1 mentions)
Geraniol, by Merck Group (1 mentions)
Nerol, by Merck Group (1 mentions)
β damascenone, by Merck Group (1 mentions)
2 protocols using n heptyl β d glucopyranoside
1
Volatile Standards Preparation and Characterization
2
Characterization of Green Coffee Volatiles
Check if the same lab product or an alternative is used in the 5 most similar protocols
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Five green wet-processed coffee samples (C. arabica L.) from different geographic origins (Ethiopia, India, Nicaragua and Rwanda) were supplied by illycaffè S.p.A (Trieste, Italy). Two different commercial lots from Ethiopia were studied and named hereafter Ethiopia 1 and Ethiopia 2. The samples with zero primary and secondary defects, were selected on the basis of standard procedures of sorting and visual aspect, moisture content, screen size, and cup quality. After collection from jute bags, the coffee samples were immediately packed in high barrier plastic bags and stored at room temperature (22–24 °C). n-Heptyl-β-D-glucopyranoside was purchased from Sigma-Aldrich (Milan, Italy); methanol, acetonitrile, formic acid and hexane HPLC analytical grade from Romil LTD (Cambridge, UK). Molecule identity was complemented by the analysis of the pure chemical standards. Linalool, nerol, geraniol, isovaleric acid, 3-methyl-2-butenoic acid, α-terpineol, and β-damascenone were purchased by Sigma Aldrich (Milan, Italy).
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