Osaka [Japan], October 24 : Do you recall hearing from your parents to "eat your greens, they are good for you"? They certainly had a good idea. Due to their organosulfur compounds, such as glucosinolates and isothiocyanates, which exhibit a wide range of bioactivities including antioxidant activity, cruciferous vegetables like broccoli, one of the most popular vegetables in the United States, are linked to lower risks of diseases like diabetes and cancer. However, few studies have focused on the endogenous content of polysulfide in broccoli sprouts.
A research team led by Assistant Professor Shingo Kasamatsu and Professor Hideshi Ihara of the Graduate School of Science at Osaka Metropolitan University investigated the amount of polysulfides in broccoli sprouts during the process of their germination and growth. Building upon their previous work, the research team demonstrated the abundance of polysulfide molecules in cruciferous vegetables.
The team found that total polysulfide content in broccoli sprouts significantly increased during germination and growth, with an approximately 20-fold increase in polysulfides on the fifth day of germination. Furthermore, they discovered a number of unknown polysulfides with indeterminate molecular structures. These findings suggest that the abundance of polysulfides in broccoli sprouts may contribute to their well-known health-promoting properties.
Dr Kasamatsu stated, "The discovery of the significant increase in polysulfide content during the sprouting process from broccoli seeds was completely by chance and very surprising. This finding suggests that polysulfides may play an important role in the process of plant germination and growth. Further investigation of the pharmacological function of these unknown polysulfides could lead to the development of new preventive and therapeutic approaches and medicines for neurodegenerative diseases, stroke, cancer, inflammation, and other oxidative stress-related diseases."
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