This is Periwinkle plant known by different name and in different places in the world.
Philippines known this as TSITSIRIKA. The species has long been cultivated and uses as herbal medicine.
During early period the extracts of its roots and shoots though poisonous is used against several diseases.Periwinkle is somewhat bitter in taste and can be extremely toxic if consumed orally by humans and Periwinkle is normally avoided during pregnancy or breastfeeding.
During early period,Periwinkle was used for treating diabetes,Alzheimer’s disease,high blood pressure,Malaria and to enhance memory which led to its study by western scientist who then discovered its anti-cancer properties that could be used in Chemotherapy.
This pretty flower plant gives us two very important cancer-fighting medicines: Vinblastine and Vincristine
Vinblastine used to help increase the chance of surviving childhood Leukemia from 10%- 95%. While Vincristine is used to treat hoddgkin’s Disease.
These two anti-cancer alkaloids- vinblasting and vincristine which appear to bind to proteins in some microtubules,facilitating cancer-cell death and inhibit the growth of tumors.