1, stems are different. Edible cactus stems are large and thick, and the length-width ratio is 2∶ 1. Then the inedible cactus stems are small and thin, and the length-width ratio is 3:1.
2, the appearance is different. Edible cactus looks flat and fat, and its meat is tender and juicy. Then the edible cactus looks delicate and lovely, small and exquisite.
3. Different colors. Edible cactus is dark with hoarfrost. Then the inedible cactus is turquoise and full of color.
The efficacy of edible cactus.
Cactus has very high nutritional value and is called desert rose. Cactus has the effects of clearing away heat, promoting blood circulation to remove blood stasis, inducing diuresis to reduce swelling, and clearing away heat and vexation. Eating some cactus in moderation can effectively remove the situation of dry eyes due to hot blood stasis. From the point of view of nutrition, cactus contains a lot of vitamin A, vitamin B and dietary fiber. It can effectively nourish nerves and promote intestinal peristalsis to some extent.