The human body is protected against harmful reactions by protective mechanisms. Ingestion of food produces nutrients and by products. The accumulation of such by products can add to the harmful materials in the body. Protective mechanisms carefully regulate the removal of such substances. Disease processes in vital organs such as kidneys can lead to accumulation of harmful materials in the body. There are several types of mechanisms that give rise to harmful materials in the body.
Oxidative stress can result from reactions in the body that involve antioxidants. It can cause damage to cell membranes of tissues. Chemical processes in the body produce reactive oxygen species as a byproduct. These free radicals are harmful. They are inhibited by the presence of antioxidants. Lack of antioxidants leads to accumulation of ROS causing oxidative stress. It is a key factor in the development of many chronic disorders like cardiovascular diseases, inflammatory diseases, atherosclerosis and cancer. Such illnesses increase morbidity and mortality in the elderly. They are better managed by preventive measures. The role of antioxidants in prevention is primary.
Plants are a rich source of antioxidants. Diets that include leafy vegetables help prevent chronic diseases. Once the disease process has started, it can be inhibited by the use of pharmaceutical drugs. Resistance to synthetic drugs has increased with time.
Plants have been used for medicinal purposes for centuries. Their ingestion through food prevents diseases. Traditional medicinal practice involves preparation of remedies using raw materials from plants. Application of these remedies topically is a common practice. Modern science has helped revolutionize medical science. It largely depends on the pharmaceutical industry. However, traditional medicine is still practiced in areas enriched with medicinal plants. It is also important in areas lacking modern facilities in developing countries. Research into incorporating beneficial plant extracts to pharmaceutical preparations is ongoing.
Azazahemad Kureshi and his team studied the medicinal properties of Garcinia talbotii Fruit Rind. The experiments were conducted using six solvents of different polarities. The antioxidant activities and total phenolic content were evaluated. The research concluded that the medicinal properties varied on the polarity of the solvent used for extract preparation. The team published their findings in the Research Journal of Medicinal Plants.
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