Anticarcinogenic effects of some Indian plant products

K Aruna1, V M Sivaramakrishnan

  • 1Isotope Division, Cancer Institute, Adyar, Madras, India.

Insights

Cumin seeds and basil leaves show significant anticarcinogenic properties, reducing tumor incidence in animal models. These commonly used spices may serve as valuable natural agents against cancer.

Area of Science:

  • Oncology
  • Pharmacology
  • Food Science

Background:

  • Dietary factors, including spices and vegetables, play a role in cancer prevention.
  • Benzo[a]pyrene (B[a]P) and 3'-methyl-4-dimethylaminoazobenzene (3'MeDAB) are known carcinogens used to induce tumors in experimental models.
  • Investigating natural compounds for anticarcinogenic potential is crucial for developing novel cancer therapies.

Purpose of the Study:

  • To evaluate the anticarcinogenic effects of commonly consumed spices and leafy vegetables.
  • To determine the efficacy of selected plant products in preventing chemically induced cancers in animal models.
  • To identify specific plant-derived compounds with significant tumor-inhibitory properties.

Main Methods:

  • Administration of nine different plant products to Swiss mice and Wistar rats.
  • Induction of squamous cell carcinomas using benzo[a]pyrene (B[a]P) in mice.
  • Induction of hepatomas using 3'-methyl-4-dimethylaminoazobenzene (3'MeDAB) in rats.
  • Statistical analysis to assess the significance of tumor incidence reduction.

Main Results:

  • Cumin seeds (Cuminum cyminum Linn) and basil leaves (Ocimum sanctum Linn) significantly reduced the incidence of both B[a]P-induced neoplasia and 3'MeDAB-induced hepatomas.
  • Poppy seeds (Papaver somniferum Linn) demonstrated significant inhibition of B[a]P-induced neoplasia.
  • Asafoetida, kandathipili, turmeric, drumstick leaves, solanum leaves, and alternanthera leaves showed no significant anticarcinogenic effects in this study.

Conclusions:

  • Cumin seeds and basil leaves possess potent anticarcinogenic properties and are effective against chemically induced tumors.
  • Poppy seeds exhibit moderate anticarcinogenic activity, particularly against B[a]P-induced cancers.
  • These findings suggest that cumin, basil, and poppy seeds, widely used in Indian cuisine, hold promise as natural anticarcinogenic agents.