AST

AST

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AST
$38.00

Contains potassium metabisulfite, ascorbic acid and hydrolysable tannin in carefully balanced amounts to maximize antioxidant and antimicrobial action. When used on grapes, AST provides the antibacterial and antioxidizing protection provided by sulfur dioxide, while limiting macerating action. It is suitable for the treatment of grapes intended for sparkling wine base, white grapes rich in phenolic substances and for grapes that have been machine harvested. When used in the treatment of must derived from grapes rich in aromatic precursors, it assists in the production of wines with intense varietal aromas. AST is very effective in preventing atypical ageing off-flavors.
Application: Anti-oxidant protection for moldy grapes; aromatic grapes; must for base wine for sparkling wines; varieties sensitive to atypical ageing.
Dosage: 150-200 g/ton of grapes
                 15-20 g/hL (1.2-1.7 lb/1,000 gal) in juice
                 10 g/hL (0.8 lb/1,000 gal) of AST provide approx 28 ppm SO2

Code Qty Weight Price Acquista
35-825-0001
Code: 35-825-0001
Qty:
- +
$38.00
Weight: 1 Kg
- +
1 Kg
$38.00
AST is available for purchase in increments of 1

Product Details:

Contains potassium metabisulfite, ascorbic acid and hydrolysable tannin in carefully balanced amounts to maximize antioxidant and antimicrobial action. When used on grapes, AST provides the antibacterial and antioxidizing protection provided by sulfur dioxide, while limiting macerating action. It is suitable for the treatment of grapes intended for sparkling wine base, white grapes rich in phenolic substances and for grapes that have been machine harvested. When used in the treatment of must derived from grapes rich in aromatic precursors, it assists in the production of wines with intense varietal aromas. AST is very effective in preventing atypical ageing off-flavors.
Application: Anti-oxidant protection for moldy grapes; aromatic grapes; must for base wine for sparkling wines; varieties sensitive to atypical ageing.
Dosage: 150-200 g/ton of grapes
                 15-20 g/hL (1.2-1.7 lb/1,000 gal) in juice
                 10 g/hL (0.8 lb/1,000 gal) of AST provide approx 28 ppm SO2

Shipping

Shipping methods include UPS Ground, 3 Day, 2 Day and Overnight. Products can also be picked-up from any of our offices or delivered via courier. Some restrictions apply.

Returns

Returns must be authorized; call 707 838 6312 and ask for a Merchandise Return Authorization (MRA) number. Include the MRA number with your shipment. Returns must be made within 30 days of receipt and are subject to a 20% restocking charge. All items must be returned in an unused and resalable condition.
All winemaking products along with supplies that require refrigeration or freezing cannot be returned. Live cultures, analytical standards, and special order items are available according to demand. Orders of these products are considered to be final. Any cancellation or modification of a pending order will result in a charge up to the full dollar amount of the order.

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