Watermelon
What it is
Watermelon is a melon. The nutrition example here is the raw edible portion, rather than a juice blend, rind preparation, or seed product.
What it does
The USDA record contains 91.4 g of water and 7.55 g of carbohydrate per 100 g. It also lists lycopene, a carotenoid pigment. Lycopene is different from beta-carotene: NIH notes that lycopene is not converted into vitamin A.
Research context and ingredient forms
A food's water content is one part of its composition. It does not make the food equivalent to a formulated electrolyte drink or establish a particular hydration treatment. The table also does not establish disease prevention from lycopene.
Using this information
Weigh the edible flesh separately from the rind. A wedge can vary substantially in size, so grams provide a clearer basis when comparing portions or adding watermelon to a mixed fruit bowl.
Food sources and composition
| Nutrient | Amount and serving basis | Food and source |
|---|---|---|
| Energy | 30 kcal per 100 g edible portion | Watermelon, raw; Watermelon, raw SR Legacy April 2018; FDC published 2019-04-01 |
| Water | 91.4 g per 100 g edible portion | Watermelon, raw; Watermelon, raw SR Legacy April 2018; FDC published 2019-04-01 |
| Carbohydrate, by difference | 7.55 g per 100 g edible portion | Watermelon, raw; Watermelon, raw SR Legacy April 2018; FDC published 2019-04-01 |
| Fiber, total dietary | 0.4 g per 100 g edible portion | Watermelon, raw; Watermelon, raw SR Legacy April 2018; FDC published 2019-04-01 |
| Vitamin C, total ascorbic acid | 8.1 mg per 100 g edible portion | Watermelon, raw; Watermelon, raw SR Legacy April 2018; FDC published 2019-04-01 |
| Potassium, K | 112 mg per 100 g edible portion | Watermelon, raw; Watermelon, raw SR Legacy April 2018; FDC published 2019-04-01 |
| Lycopene | 4530 µg per 100 g edible portion | Watermelon, raw; Watermelon, raw SR Legacy April 2018; FDC published 2019-04-01 |
Scientific Research & References
- Watermelon, raw
2019 · USDA Agricultural Research Service
Limitations: Historical food/preparation-specific composition, not a clinical-outcome estimate or current brand label.
Source assessment recorded.
- USDA National Nutrient Database for Standard Reference, Legacy Release: Documentation
2018 · USDA Agricultural Research Service
Limitations: Historical dataset; values may be analytical, calculated, imputed, or assumed zero. Not clinical-outcome evidence.
Source assessment recorded.
- Vitamin A and Carotenoids: Fact Sheet for Health Professionals
NIH Office of Dietary Supplements
Limitations: Used only for the mapped definition or nutrient role, not a food-specific clinical benefit.
Source assessment recorded.
Related dictionary entries
Products containing it
No label-specific product relationship has been reviewed for this entry.