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Home > Corks > Test Details

Corks

Corks are made from the bark of the cork oak, Quercus Suber, from Portugal.



Sterility Testing - Bacteria $50.00     

This screen is used to determine a rough measure of the bacterial content during various stages of winemaking. For grapes this screen can be used to establish the 'sterility' of the grapes prior to cleaning and crushing. During bottling this information can be used to gauge the effectiveness of the filtration method and the sterility of the sample prior to shipping.

 

Collect your sample into an FL Biognostics Biological testing bottle (125 or 250 mL capacity) (BIO-001 or BIO-002).  The choice is yours, just be sure to collect a representative sample of the entire source container.

Testing includes:

  • Total Bacteria This screen is used to determine a rough measure of the bacterial content during various stages of winemaking. For grapes this screen can be used to establish the 'sterility' of the grapes prior to cleaning and crushing. For Must the screen can be used to establish the sterility of the sample and stave off potentially 'stuck fermentations". During Malo-Lacto Fermentation (MLF) this information can be used to determine if a fermentation requires additional MLF bacteria such as Ooenii. During bottling this information can be used to gauge the effectiveness of the filtration method and the sterility of the sample prior to shipping.


Sterility Testing - Yeast $50.00     

This screen is used to determine a measure of yeast content during various stages of winemaking. For grapes this screen can be used to establish the 'sterility' of the grapes prior to cleaning and crushing. When combined with the FL Biognostics screen for Brettanomyces (Brett), a ratio of Brett to total yeast can be established to assist a vitner in evaluating the wine's potential for normal fermentation and character development. During bottling this information can be used to gauge the effectiveness of the filtration method and the sterility of the sample prior to shipping.

 

Collect your sample into an FL Biognostics Biological testing bottle (125 or 250 mL capacity) (BIO-001 or BIO-002). The choice is yours, just be sure to collect a representative sample of the entire source container.

Testing includes:

  • Brettanomyces (Brett) The presence of Brettanomyces in your wine may result in 'bretty' spoilage flavors and aromas. Its presence in your wine may be undetectable until it is too late to reverse the effects and result in a permanently 'tainted' wine.

    Merely culturing your wine for 'brett' may be insufficient, many times this yeast is present as an active but non-culturable (ABNC) organism, it will still taint the wine but you won't find it in a culture.

    FL Biognostics screen for the presence of 'brett' by detecting its DNA in your wine is a highly sensitive method to monitor your wine for 'brett'.
  • Total Yeast This screen is used to determine a rough measure of the yeast content during various stages of winemaking.

    For grapes this screen can be used to establish the 'sterility' of the grapes prior to cleaning and crushing.

    For Must the screen can be used to establish the sterility of the sample and assist in determining the need for additional yeast.

    During bottling this information can be used to gauge the effectiveness of the filtration method and the sterility of the sample prior to shipping.


Sensory Tests $15.00     

TCA is a controversial compound that can be present in wine or corks. The most important aspect of TCA is that the human nose can readily detect its presence at extremely low levels.

Our sensory test allows a quantitative estimation of the amount of TCA present in your wine or cork and also offers a qualitative estimation of the impact that the TCA will have on your wine.

 

For Wines we recommend the Small Amber Bottle (30mL capacity)(CHE-001) and for Corks please use the  large amber bottle (125 mL Capacity) (CHE-002).  For cork testing it is best to separate individual lots of cork into separate containers.

Testing includes:


Sensory Tests $15.00     

TCA is a controversial compound that can be present in wine or corks. The most important aspect of TCA is that the human nose can readily detect its presence at extremely low levels.

Our sensory test allows a quantitative estimation of the amount of TCA present in your wine or cork and also offers a qualitative estimation of the impact that the TCA will have on your wine.

 

For Wines we recommend the Small Amber Bottle (30mL capacity)(CHE-001) and for Corks please use the  large amber bottle (125 mL Capacity) (CHE-002).  For cork testing it is best to separate individual lots of cork into separate containers.

Testing includes:



 
 

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