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Plants have been an important source of medicine for thousands of years. Plants are rich source of natural antioxidant i.e. tocopherols, vitamin C, flavonoids and phenolic compounds. Whole plant samples of Swertia chirata were purchased from the local market of Faisalabad, Pakistan. The dried and ground sample subjected for extraction by shaking method with different solvents i.e. 75% methanol and ethanol. In the present study antioxidant activity of plant Swertia chirata was investigated by measuring total phenolics (TPC), total flavonoids (TFC), DPPH (2, 2-Diphenyl-1-picrylhydrazyl) and Percent inhibition of linoleic acid peroxidation. The total phenolics (TPC) obtained from methanol 2.565g / 100g from ethanol 1.612g / 100g gallic acid equivalents. TFC obtained from methanol 13.247g / 100g from ethanol 10.948g / 100g catechin equivalents, inhibition of linoleic acid peroxidation obtained from methanol 94.04% from ethanol 93.05% and Percentages scavenging of plant Swertia chirata obtained from methanol extract 84.32% from ethanol extract 82.54%.
Until now more than one hundred forms of cancer and variety of infection have been recognised and almost every second tissue in the body can become a source of one type of malignancies or even of several types. The chance of recovery of tumour depends upon the stage and the type of the tumour that is primary or secondary (metastatic). The selection of treatment technique in tumour therapy is critical in giving the patient the best possible prognosis. Today commonly known strategies to treat cancer patients are surgery, external radiation therapy and chemotherapy, regardless of its limited effectiveness in metastasis stage of cancer. Surgery can often prove very effective in removing primary tumours but can do little in terms of micro-metastasis and discovering small or inconspicuous neoplasms. This is being the primary focus of target specific radionuclide therapy. Selective delivery of the radionuclide at the site of malignancies would make therapeutic radiopharmaceuticals a suitable addition to other existing strategies. The study should help nuclear medicine students/researchers in accessing the newly developed radiopharmaceuticals for diagnosis.
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