The Chemical Fingerprint of Beer from a Single Experiment with Minimum Sample Preparation – A Rapid Quantitive Analysis by 1H NMR Spectroscopy

NMR Spectroscopy is the premier tool utilized by chemists to obtain detailed chemical information on molecular structure and is used extensively in molecular structure verification, chemical purity analysis, and complex mixture analysis. We have developed a quantitative NMR analysis that…

Quantitative 1H NMR Analysis of “Off-the-Shelf” Commercial Kombucha Beverages for Ethanol, Organic Acids and Residual Sugars Analysis

Over the past few years our analytical NMR service has been developing a detailed chemical fingerprint analysis of alcoholic beverages by quantitative 1H NMR (qHNMR). Beyond the typical analyses of beer, wine, port, hard cider, sake and spirits, we have…

Wine Analysis by NMR

Brief Overview of Wine Analysis by 1H and 13C NMR Wine analysis by 1H or 13C NMR can be used to follow acid content during maturation. Lactic, succininc and acetic acid can be followed readily by both techniques and presence…

13C NMR of FAME Biodiesel

pdf version Below are examples of 13C NMR data obtained on biodiesel (FAME) and the vegetable oil precursor that it was made from by transesterification process involving microwave activation of the reaction between triglycerides and methanol in the presence of…

Trans Fat Analysis by NMR

A series of Trans Fat standards was purchased from AOCS. The ability of 1H and 13C NMR to predict Trans Fat Content as well as  Saturated, Poly-unsaturated, and Mono-unsaturated Fat Content The data of the samples is presented in the…

Dr John Edwards Joins ACS Speaker Service

Dr Edwards of Process NMR Associates recently joined the American Chemical Society (ACS) speaker service which provides a clearing house for speakers who lecture on chemistry topics at local ACS Section Meetings that are typically held once a month during…