Can lightly cooked water spinach be safely consumed?

During summer, my family enjoys salads and pickle salads made from water spinach. Is it safe to consume, and what is the best way to prepare it to prevent bacterial contamination? (Hoang, 21, Hanoi)

Consuming lightly cooked water spinach can pose health risks due to potential bacterial and parasitic contamination. This is especially true for aquatic varieties, which often harbor harmful microorganisms if not thoroughly prepared.

Aquatic water spinach tends to collect mud, soil, and algae, creating an ideal environment for bacteria and parasites. Its hollow stem structure, numerous nodes, and leaf crevices allow various fluke larvae to easily penetrate inside. These contaminants are very difficult to remove with just ordinary water washing. Inadequate preparation can lead to abdominal pain, indigestion, allergies, or severe intestinal diseases.

To enjoy water spinach salads safely, it is essential to adhere to the principle of "eat cooked food, drink boiled water." After cleaning and chopping the vegetables, wash them thoroughly under running water. Then, soak them in diluted saltwater for about 15 minutes to disinfect.

Instead of incorporating raw water spinach, blanch it briefly in boiling water to completely eliminate any pathogens. Immediately transfer the blanched vegetables to ice-cold water. This method ensures hygiene while preserving the water spinach's vibrant green color and crisp texture.

Individuals with compromised digestive systems or existing intestinal conditions should avoid this dish.