What Are Rocket Leaves?
Rocket leaves, also called arugula, are peppery leafy greens in the cruciferous vegetable family. They can be used raw or cooked as one part of a varied diet. Their flavour and nutrient profile differ from palak, but neither leaf is an overall nutritional winner for every person or meal.
The Nutritional Profile: Rocket vs. Palak
USDA FoodData Central entries allow the two raw leaves to be compared on the same 100 g basis. Raw spinach provides more dietary fibre, iron, vitamin C, vitamin K and vitamin A precursors, while raw rocket provides more calcium. A 100 g database basis is a comparison tool, not a recommended serving, and actual portions and preparation differ. Their different strengths support variety rather than one universal ranking.
Cancer Evidence Is Mixed
Laboratory and animal research has examined compounds formed from glucosinolates in cruciferous vegetables. The U.S. National Cancer Institute reports that human studies of cruciferous vegetables and cancer have produced mixed results. That evidence does not establish rocket as a way to prevent or treat cancer. Eat it for variety and preference, not as a replacement for screening, medical assessment or treatment.
Rocket Leaves and Blood Thinners (Warfarin)
If you take warfarin or another vitamin K antagonist, keep your vitamin K intake broadly consistent. If a major diet change lasts more than seven days, have an INR test and follow the anticoagulation service's instructions for any dose change. Do not adjust the dose or stop the medicine yourself. Other anticoagulants have different instructions, so follow your medicine leaflet and clinician's advice rather than assuming the same food rule applies.
Wash, Store and Prepare It Safely
Rinse unpackaged rocket under running water before eating or cutting it; do not use soap, detergent or a commercial produce wash. Follow the package directions for packaged rocket. If the package states that the produce is pre-washed and ready-to-eat, it may be used without further washing. If you choose to wash produce marked pre-washed and ready-to-eat, first wash your hands and use clean surfaces and utensils to avoid cross-contamination. Keep produce separate from raw meat, poultry and seafood. Refrigerate whole leafy greens and cut or peeled produce at 4°C (40°F) or below. Rocket can be eaten raw after safe handling or added to cooked dishes; discard rotten or damaged leaves.
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