These are weights reported for this exact food. Sugar per portion is calculated as the per-100g amount multiplied by the portion weight, divided by 100.
Reported portions for the lead reference
Source portion
Weight
Calculated total sugar
1 cup
253g
35.926g
1 fl oz
31.6g
4.4872g
Read the food description
Unsweetened does not mean sugar-free. Use a product label for a particular bottle, especially for drinks diluted with water or mixed with other juices.
These are source reference values. A specific brand, recipe or portion can differ. Total sugar is distinct from carbohydrate and should not be relabeled as added sugar.
7 source descriptions for grape juice
Each row keeps its own food description, dataset and preparation state. All nutrient columns use 100g of that named food; amounts are not averaged. Open a row’s portions to see its reported weights.
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All source descriptions in this food group; missing values remain unreported