Concord Blend Grape Juice Concentrate, 500 color
back to main product specifications page
Product Specification -- Effective: 3/8/05; Supersedes: 8/17/04
Product and Process Description:
Concord Blend Grape Juice Concentrate is a purple/ red, flavorful grape juice concentrate standardized to Brix, acid, color, and flavor. It is produced from mature, unfermented Eastern US (Lake Erie Concord Grape Belt) Concord Grapes (Vitus Labrusca) by pressing into juice, then clarifying, detartrating, evaporating and returning essence. It is standardized by blending with other red and/ or white grape concentrates, which may be domestic or import origin, depending on customer requirements. No sugars, acids, or sweeteners have been added.
Concord Blend Grape Juice Concentrate has been processed in accordance with good manufacturing practices under strictly sanitary conditions that meet the requirements of the U.S Food and Drug Administration (21 CFR Parts 110 {GMP} and 120 {HACCP}).
Product Specifications:
| Brix | 67.5 - 68.5 at 20 degrees C |
| Titratable Acidity | 2.0 - 3.0 w/w % as Tartaric Acid |
| pH | 2.7-3.7 |
| Color | 500 - 600 color; color = (abs @ 520 x 2000)/ sample wt when 2 g diluted into 100 mL with pH 3.2 McIlvanes buffer |
| Color Ratio | >= 1.6 (abs 520 nm/ abs 430 nm) |
| Color - visual | Purple - Red, No Brown Cast |
| Turbidity | < 50 NTU at 16 Bx |
| Insoluble Solids | <= 1% at 68 Brix |
| Sulfite | < 10 ppm at 16 Bx |
| Organoleptic | Full bodied grape aroma and flavor; no off flavors |
| Total Plate Count | <100 CFU/mL Maximum |
| Yeast and Mold Count | <100 CFU/mL Maximum |
| Total Coliforms | <10 CFU/mL Maximum |
Packaging:
Standard packaging is a reconditioned open top metal drum with a Brammall seal. Each drum is lined with two food grade polyethylene liners each tied with a self-locking cable ties. Drums are filled to 50.0 gallons (556 lb net). Concentrate is also available in bulk tankers or 5 gallon pails.
Shelf Life and Storage:
The shelf life at 30-45 degrees F is one year. Grape concentrates may display minor sugar crystallization over long storage periods at storage temperatures below 45 degrees F.
