The greatest use of agar is in food, Pharmaceutical and cosmetic industry. It is estimated that algal blooms have a negative economic impact on several industries. Gracilaria, Gelidiella, Gigartina : Agar Agar – Cell wall material used for media . Algae are also important in the manufacture of medicine … Japan and South East Asia are the main production centers of Agar. Ranging in size from unicellular microalgae to giant kelp, these aquatic plants are characterized by their lack of flowers, formal roots, leaves, or even stems. ECONOMIC IMPORTANCE OF ALGAE TO MAN, ANIMALS AND PLANTS Asif Ali 00:55 Asif Ali Although the use of algae is very old and is mentioned in the Chinese poetic literature about 600 B.C. A brief account of the uses of algae is given below: (a) Algae Used as Food: The red, brown and […] Although the exact origin of the word algae is unknown, the singular form, alga, is a Latin word that refers to seaweed.is a Latin word that refers to seaweed. Algae are also used in sewage treatment to remove toxic particles. Agar is extracted from certain species of red algae like Gelidium, Gracillaria, Gigartina. Algae are used as food as they are rich in carbohydrates, vitamins and few other inorganic substances. Some of them are: Agar: It is a polymer of galactose having sulfate groups. In this lesson we discussed about economic importance of algae. What Is Algae? Economic importance of Algae Since from olden days Algae species are intimately connected with human beings as a source food, medicine and other uses. Chlorellin, an antibiotic is obtained from Chlorella; Nitella used in control of malaria. Part - 2 - economic importance Some of the algae are used as food and fodder, in agriculture, industry, medicine, purification of water, aviation and as a source of petroleum and natural gas. Economic Importance . Many commercial products having great economic value are derived from the cell walls of algae. In protecting against natural processes such as erosion, the use of algae to help in healthy soil formation is important. Species of Gelidium and Gracilaria are used extensively. Algae release lot of oxygen into water as a by-product of photosynthesis. Food: Algae have been in use as human food for centuries in various parts of the world, including Scotland, Ireland, Norway, Sweden, France, Germany, North and South America, China, and Japan. It is used as a solidifying agent in the preparation of microbiological media. Many algae are used by human beings for food, manufacture iodine in some other purposes from ancient times. Chlorella, Laminaria, Sargassum, Ulva, Enteromorpha : Food. Many researches are being done in phycology (study of algae) and many workers are trying to find out the food value of algae, their importance in industries and importance in agriculture. •ALGAE IN INDUSTRY Many products of commercial and pharmaceutical importance have been derived from algae. 1. They may be taken as a salad, cooked with meat or eaten as vegetable, sprinkled with oatmeal … It is obtained from red algae. Let’s figure out the economic importance of algae together! Alginate obtained from brown algae like Fucus, Lamaria etc. Economic Importance of ALGAE 1. The Economic importance of Algae is given in Table 2.3. This is the source of dissolved oxygen for aquatic organisms. It is used for almost a century as stiffening agent in culture media. Algae refers to a wide range of eukaryotic marine organisms, all of which engage in the process of photosynthesis. Its economic importance's include the production of organic matter for agriculture, use as a food product, and use in decontamination. Spirogyra is commonly referred to as green algae. Carrageenin is extracted from Chondrus crispus. Chondrus crispus : Carrageenan … Nowadays, algae can be used in very unpredictable ways all over the world. That also important for our UPSC paper for students who took botany as optional. Agar-Agar:- Agar is obtained commercially from species of Gelidium, Gracilaria and condrus.

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