By now, you may have heard that Vintessential Laboratories have their very own range of Discrete Analysers – the easiest way to automatically perform all your enzymatic testing needs. Our two units, The ChemWell and the Chemwell-T are manufactured in the USA. ChemWell technology is trusted across the globe, and is found in many types of laboratories, including medical […]
Alchemy I and II yeasts blends were the first products on the market to combine two yeasts in the one pack. The strains were specifically chosen after extensive research to enhance the wine aroma based on the metabolic interaction between specific yeast strains present in the blend. Alchemy I and II are now widely used […]
Vintessential Laboratories are dedicated to helping our winery customers discover winemaking problems early, understand them, and then fix them. At our five laboratories around Australia we test hundreds of samples every week, so there’s hardly a problem we haven’t seen. Every month we bring you some of the recent problems that have been sent to […]
This month – Red Wine Fizzing and Tartrate Stabilisation with CMC Vintessential Laboratories are dedicated to helping our winery customers discover winemaking problems early, understand them, and then fix them. At our five laboratories around Australia we test hundreds of samples every week, so there’s hardly a problem we haven’t seen. Every month we bring you […]
Introduction This month we look at some more curly issues we’ve received in the lab. Helping to solve them has involved some intricacies of testing and we’ve had to call upon our many years’ experience in sorting out some of these problems in our own laboratories. Sulfur dioxide test problems – again! Many wineries do […]
Greg Howell Vintessential Laboratories Introduction Some, but by no means all, samples we receive in our laboratories cause quite a bit of interest for us and quite some angst for our winemaker clients. These samples and how they are tested can present some interesting case studies in what can go wrong in the winemaking process. […]
Greg Howell Introduction As a wine consulting laboratory business, now with labs in five States of Australia, we deal with many wineries and many thousands of wines every year. Most of these wines are of good quality; however a very small minority have some issues that need our help. Our job is to investigate what […]
Carly Gamble and Greg Howell Introduction Determining the sugar content of juice and wine is an essential part of the winemaking process. Glucose and fructose are the most abundant sugars naturally present in grapes and they are also fermentable sugars – their presence in finished wine leaving the wine susceptible to spoilage. Accurate monitoring of […]
Greg Howell Vintessential Laboratories Vintessential has built and opened three new wine testing laboratories in the past year – in Orange New South Wales, Hobart Tasmania and the Margaret River region of Western Australia. If our experience is any guide, your lab may be working outside the requirements of the appropriate Australian Standards! A winery […]
Steve Byrne and Greg Howell Vintessential Laboratories Introduction Although most winemakers are aware of acetaldehyde, it still causes some negative impacts on wine quality. It is the main carbonyl compound formed in wine during fermentation, although it can also be produced in wine via other mechanisms. High levels of this aldehyde can have poor sensory […]