Edamame (Green Soybeans)

Edamame (Green Soybeans): Nutrition, History and Guide

Edamame — the Japanese word meaning "stem bean," reflecting the traditional practice of selling soybeans in their pods still attached to the stem — are young, green soybeans (Glycine max) harvested before they mature and dry. They represent the soybean in its most appealing eating form: sweet, tender, bright green, and far more versatile as a whole food than mature dried soybeans. In Japan, edamame has been eaten as a snack food for centuries — salted pods boiled and served with beer are one of the defining flavour memories of Japanese summer. The practice of eating green soybeans was documented in China from at least the Tang dynasty (618–907 CE). In the West, edamame became widely known through the proliferation of Japanese restaurants from the 1990s onwards and exploded in popularity through health food culture in the 2000s. Available in British supermarkets as frozen shelled edamame year-round, they are one of the most convenient, nutritious, and versatile plant proteins available.

Nutritional Value of Edamame

Fresh green soybeans provide 147 kcal and 12.9 g of protein per 100 g, with 11.1 g of carbohydrates, 6.8 g of fat, and 4.2 g of fibre — exceptionally high in protein for a fresh vegetable. The protein is complete — soy is one of the few plant foods providing all nine essential amino acids in proportions suitable for human protein synthesis. Edamame provides vitamin K, folate, manganese, phosphorus, copper, thiamine, iron, and zinc. The fat content is predominantly unsaturated including omega-3 and omega-6 fatty acids.

Health Benefits and Uses

Edamame provides complete, high-quality plant protein at very low caloric cost relative to protein density. A 100 g serving provides almost 13 g of protein — comparable to many meat-based preparations at a fraction of the saturated fat. The folate content supports cell health; manganese and copper support antioxidant enzyme function. Edamame is ideal as a protein-rich snack, as a salad ingredient, stirred into grain bowls, added to stir-fries, mashed into a vivid green hummus-style dip, or used in Japanese-inspired preparations. Microwave frozen edamame for three to four minutes, season with flaky salt — one of the quickest, most satisfying and nutritious snacks available.

Micronutrients (per 100g, boiled)

NutrientAmount% adult reference intake
Minerals
Iron2.73 mg18%
Calcium88 mg13%
Magnesium65 mg22%
Potassium497 mg14%
Sodium5 mg0%
Chloride3 mg0%
Phosphorus204 mg37%
Zinc1.17 mg12%
Copper0.39 mg33%
Manganese1.17 mg84%
Iodine2 ug1%
Selenium2 ug3%
Vitamins
Vitamin AN (present, not quantified).
Vitamin C11 mg28%
Vitamin D0 ug0%
Vitamin E2.49 mg62%
Vitamin Knot measured.
Vitamin B1 (thiamin)0.14 mg14%
Vitamin B2 (riboflavin)0.06 mg5%
Vitamin B3 (niacin)4.8 mg28%
Vitamin B5 (pantothenic acid)2.8 mg40%
Vitamin B60.31 mg22%
Vitamin B7 (biotin)1.7 ug1%
Vitamin B9 (folate)15 ug8%
Vitamin B120 ug0%

Source: CoFID 2021 (McCance and Widdowson, UK), code 13-667 (matched record: "Beans, edamame, frozen, boiled in unsalted water"). N = present but not quantified; Tr = trace; not measured = no value in the source.

What this food is a source of

These figures are the amount in the food. How much the body absorbs can vary, see each nutrient's entry for detail.