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Broccoli Sprouts

Overview

Broccoli sprouts are concentrated sources of glucoraphanin and active myrosinase, delivering higher sulforaphane potential per gram than mature broccoli when handled appropriately [1]. They are used as a functional crucifer garnish or short-grown sprout food.

Within the BRAIN Diet framework, sprouts are a sulforaphane-focused ingredient with meaningful food-safety considerations; typical portions are small. A quantified broccoli-sprout beverage increased urinary mercapturic-acid biomarkers for benzene and acrolein, but not crotonaldehyde [2]. That finding does not show reduced pollutant accumulation, prevention of pollution-related disease, or a substitute for lowering exposure.

Other Nutritional Highlights

The human evidence used a manufactured, dose-quantified sprout beverage, not kitchen-prepared fresh sprouts [2].
Broccoli sprouts are not a general detox treatment [2].

Food Context

Synergies

Fits well within a broader cruciferous rotation including broccoli, cabbage, kale, cauliflower, and radish
Works best in minimally heated meals where active myrosinase is preserved
Pairs well with salads, bowls, eggs, wraps, sandwiches, and fermented-food meals where a small amount adds a high-value phytochemical signal

Sourcing

Buy very fresh refrigerated sprouts from reputable suppliers, or use seeds specifically labelled for sprouting
Freshness matters more than for mature broccoli because sprout quality and food-safety margin decline quickly
If growing at home, use sprouting-specific seeds, clean equipment carefully, and refrigerate promptly once the sprouts are ready

Preparation

Best eaten raw or only very lightly heated if the goal is sulforaphane formation
Chopping and chewing help activate myrosinase, which converts glucoraphanin into sulforaphane
Prolonged heat reduces myrosinase activity and lowers conversion potential
Because raw sprouts carry higher microbial risk than mature broccoli, higher-risk groups should avoid raw sprouts or cook them thoroughly

Safety

Raw sprouts are a higher-risk food because warm, humid sprouting conditions also favour growth of pathogens such as Salmonella, E. coli, and Listeria
Pregnant people, immunocompromised people, older adults, and very young children should avoid raw sprouts
Rinsing helps with surface debris, but does not reliably eliminate pathogen risk if seeds were contaminated upstream

Recipes

Nutrient Tables (per 100 g)

Core nutrients

Nutrient	Amount per 100 g	% RDA per 100 g
Energy	10 kcal	—
Protein	2.2 g	—
Total fat	0 g	—
Carbohydrates	0.4 g	—
Fibre	0 g	—

Key vitamins and minerals

Vitamins and minerals supplying at least 15% of an adult reference intake per 100 g, derived from the composition panel. Tags do not decide which rows appear.

Nutrient	Amount per 100 g	% RDA per 100 g
Vitamin C	43 mg	47.8%

Advanced Nutrition

Other quantitative vitamins and minerals from the same composition panel. They remain available for Substance cards and later scoring; they are not headline nutrients of this food.

Nutrient	Amount per 100 g	% RDA per 100 g
Iron	0.6 mg	3.3%
Zinc	0.5 mg	4.5%
Magnesium	29 mg	6.9%
Calcium	120 mg	12%
Potassium	220 mg	6.5%
Folate	37 µg	9.3%
Vitamin B6	0.1 mg	10.8%

Bioactive compounds

Explicitly identified compounds, including individual fatty acids, with a defensible quantity or an explicit qualitative status. Asterisks (*) identify supplementary sources below. Unquantified or trace constituents are not automatically admitted to the Substances list.

Compound / class	Amount per 100 g	Notes
Sulforaphane	Present — quantity not established *	—
Glucoraphanin	Present — quantity not established *	—

Source notes (supplementary):

* Sulforaphane: Sulforaphane is formed from glucoraphanin in Broccoli Sprouts after myrosinase action. Quantity depends on cultivar and preparation (Houghton 2016).
* Glucoraphanin: Broccoli Sprouts are a concentrated dietary source of glucoraphanin, the precursor of sulforaphane. A comparable quantity is not established here.

Functional metrics

Metric	Score	Notes
Glucoraphanin / sulforaphane potential	Much higher than mature broccoli	Broccoli sprouts are mainly prized for glucoraphanin density and downstream sulforaphane formation rather than for calories or macros.

Note: Functional-metric values depend strongly on assay method, processing, and product formulation. Use these as contextual metrics, not strict like-for-like nutrient equivalents.

Reference intakes: US Dietary Reference Intakes for adults (19–50 years; using the higher of male/female values where they differ).

Data provenance (core / micronutrient panel): Norwegian Food Composition Table, Broccoli sprouts, raw, Manual reference, per 100 g edible portion, last checked 2026-05-26

Substances

References

[1] Houghton et al. (2016). Sulforaphane and Other Nutrigenomic Nrf2 Activators: Can the Clinician’s Expectation Be Matched by the Reality?. Constituent-level review of glucoraphanin, myrosinase and sulforaphane formation; not a fresh-sprout feeding trial.

[2] Egner et al. (2014). Rapid and Sustainable Detoxication of Airborne Pollutants by Broccoli Sprout Beverage: Results of a Randomized Clinical Trial in China. Twelve-week randomised trial of a quantified broccoli-sprout beverage (600 µmol glucoraphanin and 40 µmol sulforaphane daily): urinary mercapturic-acid markers rose for benzene and acrolein, not crotonaldehyde. Manufactured beverage, not blended fresh sprouts.

Broccoli Sprouts

Overview

Other Nutritional Highlights