Smoke taint concerns from February bushfire in Orange (Image Credit: Christina Bos) Our NSW manager, Christina Bos, knew it was a bad sign for the local wine industry when she saw the columns of smoke rising off Mt Canobolas from her front veranda in Orange one weekend in February. For those that know this gorgeous […]
Chinese Exports requirements We receive many requests for a variety of tests for wines destined for China. These vary amongst clients and we often find that we are doing special tests for some exporters and not others. Added to this are some unusual tests that have been requested by the Chinese authorities over the past […]
MLF and holidays Would you think there is a connection between vacations and malo-lactic fermentation (MLF)? Here is an example of such a connection. Recently we received a problem sample of wine that had not completed MLF. The winemaker, who had been away for a winter holiday, had added a large dose of sulfur dioxide […]
We are pleased to now offer Chemical Oxygen Demand (COD) analysis in addition to our extensive range of wastewater tests. Need quicker results than the industry standard 5 day BOD test can provide? COD testing can give you a good indication of the oxygen demand in your sample much more quickly. We have implemented the […]
The best time of year to collect grape vine Petioles for analysis is now (full flowering, 80% cap-fall). Petiole testing can provide a snapshot of the nutrient status of the vine. Obtaining quantitative information on nutrient levels can assist in determining the effectiveness of fertiliser applications and also help you to identify the cause of […]
It’s that time of year again when this yeast can rear its ugly head. Brettanomyces can produce the volatile phenols 4-ethyl phenol (4EP) and 4-ethyl guaiacol (4EG), which are responsible for sweaty, horsey or medicinal off-flavours in wine. Right now red wines should have completed primary fermentation and have been transferred to barrels for oak […]
We are NATA accredited to prepare Export Certificates for wines destined for all major export destinations, including China. The benefits of using the Vintessential Laboratory Export Service include: ► Fast Turnaround: We strive to have most Export Certificates completed and issued to you one day after receiving your samples. ► Minimal Sample Required: We require only one bottle of finished wine for testing […]
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 […]
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