Natural Polyphenols for Prevention and Treatment of Cancer

Area of Science:

• Nutrition and Dietetics
• Oncology
• Biochemistry

Background:

• Epidemiological studies link fruit and vegetable consumption to reduced cancer risk.
• Natural polyphenols are key bioactive compounds found in fruits and vegetables.
• Polyphenols are increasingly recognized for their potential in cancer prevention and therapy.

Purpose of the Study:

• To review the anticancer efficacy of major dietary polyphenol classes.
• To discuss the mechanisms underlying the anticancer effects of polyphenols.
• To synthesize recent findings from epidemiological, in vitro, in vivo, and clinical studies.

Main Methods:

• Literature review of studies published within the last five years.
• Analysis of epidemiological data on diet and cancer.
• Evaluation of in vitro, in vivo, and clinical trial results on polyphenol anticancer activity.

Main Results:

• Major polyphenol classes (flavonoids, phenolic acids, lignans, stilbenes) exhibit significant anticancer properties.
• Anticancer mechanisms include antioxidant and anti-inflammatory activities.
• Polyphenols modulate key molecular pathways involved in carcinogenesis.

Conclusions:

• Dietary polyphenols are potent agents for cancer prevention and treatment.
• Their multifaceted mechanisms of action warrant further investigation and therapeutic development.
• Increased intake of polyphenol-rich foods may contribute to cancer risk reduction.