New research sheds light on the health benefits of broccoli sprouts, finding they contain seven times more polysulfides than mature broccoli. As broccoli sprouts sprout and grow, their polysulfide content increases dramatically, which may be a potential reason for their health-promoting properties. This unexpected finding hints at the possibility that polysulfides play an important role in plant development and growth.

Do you still remember what your parents often say, "Eat more vegetables, it's good for your health"? They really got to the point. Multiple studies have shown that higher intakes of cruciferous vegetables such as broccoli, one of the most consumed vegetables in the United States, are associated with a lower risk of diseases such as diabetes and cancer, thanks to their organosulfur compounds, such as glucuronides and isothiocyanates, which have a wide range of biological activities, including antioxidant activity. However, few studies have focused on the endogenous polysulfide content in broccoli sprouts.

A research team led by Assistant Professor Kasamatsu Shingo and Professor Ihara Hideshi from the Graduate School of Science, Osaka Metropolitan University, investigated the polysulfide content of broccoli sprouts during germination and growth. Building on previous work, the research team demonstrated the presence of large amounts of polysulfide molecules in cruciferous vegetables.

The research team found that the total polysulfide content in broccoli sprouts increased significantly during germination and growth, with the polysulfide content increasing approximately 20-fold on the fifth day of germination. In addition, they also discovered some unknown polysulfides with uncertain molecular structures. These findings suggest that the abundance of polysulfides in broccoli sprouts may be responsible for its well-known health-promoting properties.

Research shows that broccoli sprouts have significantly higher total polysulfide content than mature broccoli. Polysulfides are organic compounds composed of chains of sulfur atoms. They are mainly found in some vegetables, especially cruciferous vegetables such as garlic, onions, broccoli and Brussels sprouts. Here are some of the potential nutritional benefits and health effects of polysulfides:

Antioxidant properties: Polysulfides act as antioxidants, helping to neutralize harmful free radicals in the body. This helps reduce oxidative stress, which is associated with aging and various chronic diseases.

Cardiovascular health: Some studies show that polysulfides help relax and dilate blood vessels, thereby improving blood flow and lowering blood pressure. This helps improve cardiovascular health.

Anti-cancer properties: There is evidence that polysulfides may have anti-cancer properties. They may help inhibit the growth of certain cancer cells and induce apoptosis (programmed cell death) in tumor cells.

Detoxification: Polysulfides help the liver flush out harmful chemicals from the body. Polysulfides help convert certain toxins into water-soluble forms that can be easily eliminated from the body.

Neuroprotective effects: Certain polysulfides, especially those in garlic, may have neuroprotective effects and may help prevent neurodegenerative diseases.

Anti-inflammatory effects: Polysulfides may help reduce inflammation in the body, thereby helping to control or prevent various types of inflammation.

Antimicrobial properties: Research shows that polysulfides have antimicrobial activity against certain pathogens and may help strengthen the immune system.

Prevent heavy metal poisoning: Some studies show that polysulfides, especially those found in garlic, can help prevent heavy metal poisoning and help reduce levels of lead and other heavy metals in the body.

It is important to note that while these potential benefits are promising, more comprehensive research in many areas is needed to fully understand the effects and effects of polysulfides on human health.

Dr. Kasamatsu said: "The discovery of a significant increase in polysulfide content during broccoli seed germination was completely accidental and very surprising. This finding suggests that polysulfides may play an important role during plant germination and growth. Further investigation of the pharmacological functions of these unknown polysulfides may lead to the development of new methods and drugs for the prevention and treatment of neurodegenerative diseases, stroke, cancer, inflammation and other oxidative stress-related diseases."

The research results were published in the journal Redox Biology.