# Rocket (Eruca vesicaria)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/rocket
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-29
**Evidence Score:** 2 / 10
**Category:** Vegetable
**Also Known As:** Arugula, Garden rocket, Roquette, Rucola, Salad rocket, Mediterranean rocket, Jarjeer, Jirjir, Tara, Roman rocket, Roka

## Overview

Rocket (Eruca vesicaria), commonly called arugula, contains glucosinolates—particularly glucoerucin—which are hydrolyzed by myrosinase into bioactive isothiocyanates such as erucin. These isothiocyanates modulate detoxification enzymes and exert antigenotoxic and [anti-inflammatory](/ingredients/condition/inflammation) effects at the cellular level.

## Health Benefits

• Antigenotoxic protection: Demonstrated protective effects against genetic damage with inhibition rates of 0.2-0.6 at intermediate concentrations (Evidence: In vivo animal studies)
• [Anti-inflammatory](/ingredients/condition/inflammation) activity: Molecular docking studies indicate strong interactions with inflammation-related targets (Evidence: Preliminary mechanistic studies)
• [Antimicrobial](/ingredients/condition/immune-support) properties: Leaf extracts showed 44-87% growth reduction against oomycete pathogens at 30mg applications (Evidence: In vitro studies)
• [Stress response](/ingredients/condition/stress) enhancement: Upregulates 51 genes involved in stress response pathways including transcription factors (Evidence: Gene expression analysis)
• Traditional reproductive health support: Historically used for male reproductive health applications (Evidence: Traditional use only)

## Mechanism of Action

Glucoerucin, the primary glucosinolate in Eruca vesicaria, is enzymatically converted by myrosinase to erucin, an isothiocyanate that induces [Phase II detox](/ingredients/condition/detox)ification enzymes—including glutathione S-transferase and quinone reductase—via the Nrf2/ARE pathway, enhancing cellular [antioxidant](/ingredients/condition/antioxidant) defenses. Erucin also suppresses NF-κB signaling, reducing downstream expression of [pro-inflammatory cytokine](/ingredients/condition/inflammation)s such as TNF-α and IL-6. Molecular docking data suggest that phytochemicals in rocket form strong binding interactions with COX-2 and other inflammation-related protein targets, contributing to its observed anti-inflammatory activity.

## Clinical Summary

Antigenotoxic effects have been demonstrated primarily in in vivo animal studies, where rocket extracts showed inhibition rates of 0.2–0.6 against mutagen-induced DNA damage at intermediate concentrations, indicating a dose-dependent protective response. [Anti-inflammatory](/ingredients/condition/inflammation) activity has been supported by molecular docking studies rather than large-scale human randomized controlled trials, which limits the directness of translation to clinical practice. No large human RCTs have yet quantified optimal therapeutic dosing for rocket-derived compounds. The current evidence base is preliminary but mechanistically plausible, warranting future Phase I/II human trials.

## Nutritional Profile

Rocket (Eruca vesicaria) is a low-calorie leafy green (~25 kcal/100g fresh weight) with the following key nutritional components: Macronutrients: protein ~2.6g/100g, carbohydrates ~3.7g/100g, dietary fiber ~1.6g/100g, fat ~0.7g/100g. Micronutrients: Vitamin K ~109mcg/100g (91% DV, high bioavailability as phylloquinone), Vitamin C ~15mg/100g, Vitamin A ~119mcg RAE/100g (primarily as beta-carotene ~1424mcg), folate ~97mcg/100g, calcium ~160mg/100g (bioavailability moderate at ~17% due to moderate oxalate content), potassium ~369mg/100g, magnesium ~47mg/100g, iron ~1.46mg/100g (non-heme, enhanced by co-consumed Vitamin C). Bioactive compounds: glucosinolates ~95-180mg/100g fresh weight, predominantly glucoerucin (~60% of total glucosinolate fraction) and glucoraphanin, which hydrolyze via myrosinase to erucin and sulforaphane respectively upon tissue disruption — these isothiocyanates are primary drivers of antigenotoxic and [antimicrobial](/ingredients/condition/immune-support) activity; flavonoids including quercetin-3-glucoside, isorhamnetin, and kaempferol glycosides at combined ~30-50mg/100g; chlorophyll a and b at ~120-200mg/100g; carotenoids including lutein and zeaxanthin at ~3.5mg/100g combined (bioavailability enhanced by dietary fat co-consumption). Erucic acid is present in seeds but negligible in leaves. Oxalate content is relatively low (~70mg/100g) compared to spinach, making mineral bioavailability moderately favorable. Glucosinolate bioavailability is highest in raw consumption; cooking degrades myrosinase activity, reducing isothiocyanate yield by up to 50-70% unless gut microbiota partially compensate.

## Dosage & Preparation

Extract concentrations studied: 0.625-5 mg/ml in in vitro/in vivo models, with 1.25-2.5 mg/ml showing optimal antigenotoxic effects. Acute toxicity studies confirmed safety up to 5000 mg/kg in animal models. Human therapeutic dosages have not been established through clinical trials. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Rocket is generally regarded as safe when consumed as a food, but high-dose concentrated extracts may cause gastrointestinal discomfort, including bloating or nausea, particularly in individuals sensitive to cruciferous vegetables. Because glucosinolate metabolites can mildly inhibit [thyroid](/ingredients/condition/hormonal) peroxidase activity, individuals with hypothyroidism or those taking thyroid medications such as levothyroxine should exercise caution with large supplemental doses. Rocket contains moderate levels of vitamin K, which may interfere with anticoagulant therapy—particularly warfarin—by reducing its efficacy; patients on blood thinners should maintain consistent intake. Safety data in pregnancy and lactation are insufficient to recommend supplemental doses beyond normal dietary consumption.

## Scientific Research

The available research consists primarily of in vitro, animal, and mechanistic studies rather than human clinical trials. Key findings include demonstrated antigenotoxic activity in vivo at 1.25-2.5 mg/ml concentrations and confirmed safety at doses up to 5000 mg/kg in acute toxicity testing. No human RCTs or meta-analyses with PMIDs were identified in the provided research.

## Historical & Cultural Context

Rocket is a traditionally used medicinal plant from Algeria, supporting its historical role in North African traditional medicine systems. While specific historical applications are not detailed in available sources, traditional use includes applications for male reproductive health.

## Synergistic Combinations

Broccoli sprouts, Sulforaphane, Quercetin, Curcumin, N-Acetylcysteine

## Frequently Asked Questions

### What is the main bioactive compound in rocket (arugula)?

The primary bioactive compound in Eruca vesicaria is glucoerucin, a glucosinolate that is converted by the enzyme myrosinase into erucin upon chewing or processing. Erucin is an isothiocyanate responsible for most of rocket's reported antigenotoxic and anti-inflammatory properties. Smaller amounts of other glucosinolates, such as glucoraphanin, are also present.

### Can rocket protect against DNA damage?

In vivo animal studies have demonstrated that rocket extracts exhibit antigenotoxic activity, with inhibition rates of DNA damage ranging from 0.2 to 0.6 at intermediate concentrations depending on the mutagen used. This protection is believed to be mediated by erucin activating Nrf2-driven Phase II detoxification enzymes that neutralize reactive mutagens before they can modify DNA. Human clinical data confirming this effect at specific doses are not yet available.

### Does rocket have anti-inflammatory effects?

Rocket phytochemicals, including erucin and flavonoids like quercetin, have shown anti-inflammatory activity in molecular docking studies by binding strongly to targets such as COX-2 and NF-κB pathway proteins. Erucin also suppresses downstream inflammatory mediators including TNF-α and IL-6 in cell-based models. However, current evidence is largely preclinical, and human trials quantifying inflammation biomarker reductions are lacking.

### Is rocket safe to eat every day?

Daily consumption of rocket as a dietary food is considered safe for most healthy adults and is consistent with general guidelines promoting cruciferous vegetable intake. Those with thyroid conditions should be mindful that glucosinolate metabolites may modestly suppress thyroid peroxidase activity at very high intake levels. Individuals taking warfarin should keep their rocket and other vitamin K-containing vegetable intake consistent to avoid fluctuations in anticoagulation levels.

### How does rocket differ from other cruciferous vegetables like broccoli?

While broccoli is richest in glucoraphanin—which converts to sulforaphane—rocket's dominant glucosinolate is glucoerucin, which converts to erucin, a structurally similar but distinct isothiocyanate with a slightly different enzyme-induction profile. Both compounds activate the Nrf2/ARE pathway, but erucin has a longer half-life in some tissue models compared to sulforaphane. Rocket also has a notably higher glucosinolate density per gram of fresh weight than many other common salad greens.

### How much rocket (arugula) do I need to consume daily to get health benefits?

While there is no official recommended daily intake for rocket, studies showing protective effects typically used concentrated extracts equivalent to 50-100g of fresh leaves. For general nutritional benefits and antigenotoxic protection, consuming 1-2 cups (20-40g) of fresh rocket leaves daily as part of meals is considered adequate based on available research. However, optimal dosage may vary depending on individual health status and the specific health outcome desired.

### Is rocket safe to take during pregnancy or while breastfeeding?

Rocket (arugula) is generally recognized as safe as a food in normal dietary amounts during pregnancy and breastfeeding. However, very high concentrations of rocket extracts have not been studied in pregnant or nursing populations, so supplemental forms beyond typical culinary use should be discussed with a healthcare provider before use during these sensitive periods.

### How does the bioavailability of fresh rocket compare to rocket extract supplements?

Fresh rocket contains bioactive compounds like glucosinolates and polyphenols that are readily available in their natural food matrix, supporting efficient absorption during digestion. Concentrated rocket extracts may provide higher levels of specific compounds in smaller volumes, but processing can affect some heat-sensitive compounds; clinical evidence suggests both forms are bioavailable, though direct comparative studies on absorption rates are limited in the scientific literature.

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