Over the past couple of years, the green seaweed segment has witnessed significant growth in terms of value sales. Green seaweeds, scientifically known as chlorophyte, gain their green color from beta-carotene, chlorophyll, and various other xanthophylls. Green seaweeds exist in the multicellular as well as unicellular form and are mainly found in freshwaters. Green seaweeds can also be grown in marine habitats and can be terrestrially grown on soil, trees, or rocks Green algae, serve as an important food source for humans. It has long been a component of Japanese cuisine. There are about 30 different types of edible seaweed, all of which are naturally high in minerals like calcium, copper, iodine, iron, magnesium, manganese, molybdenum, phosphorus, potassium, selenium, vanadium, and zinc. Sea lettuce, sea palm, and sea grapes are examples of edible green algae. The pigment beta carotene, found in green algae, is used as a food coloring. Carotene has also been proven to be effective in the prevention of some cancers, such as lung cancer. The protein content for green seaweeds is moderate i.e., 9- 26% of dry weight. Some green seaweeds, which contain a high protein level are also processed for the manufacturing of foods.