For all the watercress paper review article were published all around the world, what are their gaps and difficulties were not discovered and yet to carried out in the future research studies

Some potential gaps and difficulties that have not been fully explored in watercress paper review articles include:

1. Nutritional content and bioavailability: While many studies have identified the various nutrients present in watercress, more research is needed to understand how these nutrients are absorbed and utilized by the body. Additionally, the impact of cooking methods on the nutritional content of watercress remains underexplored.

2. Health benefits in specific populations: Most studies on watercress have focused on its general health benefits in the general population. Future research could explore the potential benefits of watercress for specific populations, such as pregnant women, older adults, or individuals with chronic conditions like diabetes or cardiovascular disease.

3. Environmental impacts: While some studies have examined the environmental sustainability of watercress production, more research is needed to assess the environmental impact of watercress cultivation on soil health, water quality, and biodiversity.

4. Food safety considerations: Little is known about the potential risks of contamination in watercress, such as pesticide residue or microbial pathogens. Future studies could investigate the food safety implications of consuming watercress and identify strategies to mitigate these risks.

5. Cultural and culinary aspects: Watercress is consumed in various cuisines around the world, but there is limited research on its cultural significance and culinary applications. Future studies could explore the traditional uses of watercress in different cultures and investigate innovative ways to incorporate watercress into modern diets.

Overall, future research on watercress should aim to address these gaps and difficulties to provide a more comprehensive understanding of the potential health and environmental benefits of this nutritious leafy green.