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If the potatoes are 99% water, the dry mass is 1%. This means that the 100 kg of potatoes contains 1 kg of dry mass, which does not change, as only the water evaporates. In order to make the potatoes be 98% water, the dry mass must become 2% of the total weight—double what it was before.
Thus, in the case of a cooking of 25 to 30 minutes in boiling water, peeled potatoes can lose up to 40% of their vitamin C, 10% if they are cooked with the skin (in this last case, there remains 13 mg of vitamin C for 100 g of vegetable). These losses are added to those induced by the storage time, about 50% after three months. [28]
1 fluid ounce of water weighs approximately 1 ounce so a recipe calling for a UK pint (20 fl oz) of water can be substituted with 20 oz of water. More accurate measurements become important in the large volumes used in commercial food production. Also, a home cook can use greater precision at times.
That’s about 1 cup of roasted potatoes or 1/2 cup of mashed potatoes, which has a smaller serving size because it’s denser than roasted slices or chunks. How to Estimate How Many Sweet ...
With that in mind, here’s a general guide for how many potatoes you'll need if everyone consumes 3/4 pound: 4 people – 3 pounds (6 large potatoes) 6 people – 4.5 pounds (9 large potatoes)
Use these guidelines, whether it's mashed, baked, or roasted. For premium support please call: 800-290-4726 more ways to reach us
Nutrient content of 10 major staple foods per 100 g dry weight [1] Staple Maize (corn) Rice, white Wheat Potatoes Cassava Soybeans, green Sweet potatoes Yams Sorghum Plantain RDA; Water content (%) 10 12 13 79: 60 68 77 70 9 65 Raw grams per 100 g dry weight 111: 114: 115: 476: 250: 313: 435: 333: 110: 286: Nutrient; Energy (kJ) 1698: 1736 ...
Wondering how many pounds of potatoes do I need per person? The general rule of thumb will come in handy for mashed potatoes, roasted potatoes, and hash browns.