The differences are as follows:

First, the attributes are different.

1. Kelp: Kelp is a large marine brown algae, which grows in low-temperature seawater and is an edible seaweed.

2. Spirulina: Spirulina is a kind of lower organisms, prokaryotes, filaments composed of single cells or multiple cells.

Second, the morphological characteristics are different.

1. kelp: the leaves of kelp are broadband, and the tip gradually narrows, generally 2-5 meters long and 20-30 cm wide (kelp growing on the seabed is smaller, with a length of 1-2 meters and a width of 15-20 cm). The edge of the blade is thin and soft, with wavy folds, and the base of the blade is a short columnar petiole connected with the fixer. Kelp is olive brown. After drying, it becomes dark brown and dark brown, and white powder is sprinkled on it.

2. Spirulina: cylindrical spiral filaments, solitary or clustered, with a diameter of 5-65438 00 μ m, a blunt tip with 2-7 spirals. Algae can vibrate and rotate, often rotating rapidly and crawling forward as if around a longitudinal axis. There are different body colors, such as blue-green, yellow-green or purplish red. And exquisite transverse walls.

Third, the effect

1, kelp: it has the effects of radiation resistance, slimming, beauty, delaying aging, strengthening brain and clearing stomach.

2. Spirulina: It has the effects of lowering cholesterol, regulating blood sugar, enhancing immune system, protecting stomach and intestines, resisting tumor, preventing cancer and inhibiting cancer, and preventing hyperlipidemia.

Baidu encyclopedia-kelp (brown algae)

Baidu Encyclopedia-Spirulina (Spirulina)