1. Seeds: The seeds of space vegetables were cultivated by agricultural experts for many years after special environmental changes such as weightlessness and hypoxia in space, and their internal structure has undergone drastic changes. 1 999165438+1October 2 1 China successfully launched the shenzhou spaceship and carried 10 kinds of plant seeds into space, which was reported by CCTV1news broadcast and seven sets of agricultural news programs for many times. At present, only a few countries in the world can cultivate space vegetable seeds.

2. Nutrition: The vitamin content of space vegetables is more than 2 times higher than that of ordinary vegetables, and the contents of trace elements beneficial to human body are increased by 7.3%, 2 1.9%, 26.5%, 2 1.9%, 13. 1% and 5.88 respectively. The soluble sugar content of space tomato is 25% higher than that of common tomato. The contents of lysine, copper, manganese, potassium and zinc in space purple sweet potato are 3-8 times higher than those in common sweet potato, especially the contents of iodine and selenium are more than 20 times higher than those in other sweet potatoes, ranking first in food.

3, taste: more delicious than ordinary vegetables, such as space sweet pepper can be eaten directly raw, slightly sweet, crisp and refreshing. Space purple sweet potato tastes sweet and full of water, such as high-quality fruit. Cooked food is fragrant, soft and sweet, with good color, smell and taste. It is the first-class health food for urban residents and hotels.