Plants are one of the most diverse natural resources for humans. Their use as primary source of food dates back to ancient times. Locally grown vegetables and fruits are harvested. They are used for the proper nourishment of the human body. Meat from animals is another source of primary food for humans. However, the role of plants in the diet of humans is essential.
Plant based foods cannot be replaced by synthetic foods or foods of different kinds. This is due to the unique composition of plant based foods. They offer a wide range of both micro and macronutrients. Macronutrients are necessary for the integrity and functioning of the human body. Micronutrients are required in small amounts. Diets lacking in plant based foods can cause deficiencies. This is due to the inability of the body to synthesize essential vitamins. Plants are the only source of essential vitamins for humans. Plant based diets are also rich in antioxidants. These substances are responsible for inhibiting oxidative stress. It is a key factor in the development of chronic diseases.
The beneficial properties of plants have been used in medicine as well. Medicinal techniques involving plant extracts for treatment can be described as traditional medicine. Medicine is a vast subject that has been developed with the passage of time. Everyday new information is discovered through scientific research. It is constantly involving. Traditional medicine is one of the major primary forms of Medical science. Plants containing medicinal properties are locally grown. They are further used in various preparations for daily remedies. The discovery of such medicinal plants is based on trial and error. The use of different parts of a plant for different remedies is determined through experience.
Modern medical science has taken over traditional techniques. However, it is still practiced in developing countries and areas of extreme poverty. Such plants have been proven to contain valuable properties through research.
Mohammed Saeed Bn Qadim and his team studied the locally grown medicinal plants in Doan valley (Wadi Doan), Hadhramout, Republic of Yemen. The research was carried out using a field survey analysed through random stratified sampling method. The research concluded the presence of twelve herbal medical plants in the valley. The research article was published in the Research Journal of Medicinal Plants.
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