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| Grana Padano | |
|---|---|
 | |
| Country of origin | Italy |
| Source of milk | Cows |
| Pasteurised | No |
| Texture | Hard |
| Aging time | 8–20 months |
| Certification | Italy: DOC: 1955 EU: PDO: 1996 |
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Grana Padano is a cheese originating in the Po Valley, in northern Italy, similar to Parmesan. There are less strict regulations governing its production compared to Parmesan.[1] This hard, crumbly-textured cheese is made with unpasteurized cows' milk that is semi-skimmed through a natural creaming process.[clarification needed] To preserve the authenticity of the manufacturing processes and raw materials used to make this cheese, Grana Padano is registered as Geographical Indication in Italy since 1954[2] and as a European Union protected designation of origin (PDO) since 1996,[1][3][A] and is protected in several other countries based on the Lisbon Agreement and bilateral agreements.[5][6]
The name comes from the Italian word grana, a reference to the characteristically grainy texture, and the demonym padano, meaning 'from Val Padana' (the Po Valley).
Grana Padano was developed by monks of Chiaravalle Abbey in the 12th century.[3] It can last a long time without spoiling, and is sometimes aged for up to two years. It is made in a similar way to the ParmesanofEmilia-Romagna, but over a much wider area and with different regulations and controls.[1]
Like Parmesan, Grana Padano is a semi-fat hard cheese which is cooked and ripened slowly for at least nine months. If it passes quality tests, it is fire-branded with the Grana Padano trademark. The cows are milked twice a day.[7] Milk produced in the evening is skimmed to remove the surface layer of cream and mixed with fresh milk produced in the morning. The partly skimmed milk is transferred into copper kettles and coagulated; the resulting curd is cut to produce granules with the size of rice grains, which gives the cheese its characteristic texture, and then warmed to 53–56 °C (127–133 °F). It is produced year-round, and varies seasonally as well as by year. Though similar to Parmesan cheese, the younger Grana Padano cheeses are less crumbly, milder and less complex in flavor than the better-known, longer-aged Parmesan.[1]
About 150 factories make Grana Padano in the Po Valley area, and an estimated 76,724 tons of this cheese are manufactured annually.[8]
Awheel of Grana Padano is cylindrical, with slightly convex or almost straight sides and flat faces. It is 35 to 45 cm (14 to 18 in) in diameter, and 15 to 18 cm (5.9 to 7.1 in) high. It weighs 24 to 40 kg (53 to 88 lbs) per wheel. The rind, which is thin, is pale yellow.[9]
Grana Padano is sold in three different ripening stages:[10]
Grana padano cheese typically contains cheese crystals, semi-solid to gritty crystalline spots that at least partially consist of the amino acid tyrosine.
1.5 litres of fresh, naturally partially-skimmed cows' milk from the production area, are needed to make 100 g of Grana Padano PDO cheese. The Grana Padano processing and ageing procedures determine an important bioavailability of vitamins and minerals, the supply of proteins with nine essential amino acids and make it a highly digestible product.[citation needed] In addition, Grana Padano is lactose-free[citation needed] due to the characteristics of its production and ageing process, which also leads to a reduction of lipids. It contains a galactose content of less than 10 mg per 100 g.[citation needed]
The Grana Padano PDO Production Specifications regulate the entire production chain, from the cows' fodder to the branding of the wheels, therefore the average nutritional value and calories of Grana Padano PDO cheese remain stable and any variation in them is irrelevant for the purpose of defining a balanced diet.
100 grams of Grana Padano PDO cheese contain 398 kilocalories (1,666 kJ).
Nutritional table for a medium portion of 100 grams of Grana Padano
| Main nutrients | |
| Water | 32 g |
| Calories | 398 kcal |
| Total proteins | 33 g |
| Total amino acids | 6 g |
| Fat | 29 g |
| Fiber | 0 g |
| Ashes | 4.6 g |
| Carbohydrates | |
| Sugar (Carbohydrates) | <1 g |
| Minerals | |
| Calcium | 1165.0 mg |
| Phosphorus | 692.0 mg |
| Potassium | 120 mg |
| Magnesium | 63 mg |
| Zinc | 11 mg |
| Copper | 0.5 mg |
| Iron | 0.14 mg |
| Calcium / phosphorus ratio | 1.7 |
| Salt | 1.5 g |
| Iodine | 35.5 μg |
| Selenium | 12 μg |
| Vitamins | |
| Vitamin A | 224 μg |
| Vitamin B1 | 20 μg |
| Vitamin B2 | 0.36 mg |
| Vitamin B3 | 3.0 μg |
| Vitamin B6 | 0.12 mg |
| Vitamin B12 | 3.0 μg |
| Vitamin D3 | 0.5 μg |
| Vitamin E | 206 μg |
| Pantothenic acid | 246 μg |
| Choline | 20.0 mg |
| Biotin | 6.0 μg |
| Lipids | |
| Saturated fat | 18.4 g |
| Monounsaturated fat | 7.4 g |
| Polyunsaturated fat | 1.1 g |
| Cholesterol | 98.3 mg |
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