Is cactus poisonous?
As a star variety among desert plants, cactus has become the preferred home green plant for its unique appearance and strong vitality. However, there are always doubts about whether it is toxic. This article will systematically elaborate on the key points of its safe use based on plant characteristics and medical research. Analysis of toxicity characteristics of cactus. The meat quality is non-toxic and edible cactus has thick stems and leaves that can be eaten after professional treatment. The Mexican Mibanta variety is known as a "desert vegetable." It is rich in dietary fiber and vitamins. It can present a clear and sweet taste when mixed cold or stir-fried, but it needs to remove the fine thorns on the skin and blanch it with water. Spikes carry plant toxins. The transparent mucus secreted by the thorns contains alkaloids, which may cause allergic reactions such as skin papules and burning pain after being stabbed. A 2019 plant toxicology study showed that about 15% of the population has a cactus sting allergy, and wounds need to be washed with alkaline soapy water in time to neutralize toxins. Precautions for home maintenance Scientifically handle stab wounds After being stabbed, use a magnifying glass to observe the residue, and use disinfectant tweezers to remove them in the growth direction of the stab. If redness and swelling persist, you can apply fresh aloe vera gel and calamine lotion in a ratio of 2:1. In severe cases, you need to seek medical advice and inject antihistamines. Space placement techniques recommend using thorn-free varieties such as Xingdou and Luanfengyu for indoor cultivation. Its characteristics of releasing oxygen at night make it suitable for placement in the bedroom, but a safe distance of more than 50cm must be maintained. It is recommended to use closed glass containers for cultivation in children's rooms. Multi-dimensional application value ecological purification function NASA air purification research shows that a 30-cm-high cactus can absorb 86% of electromagnetic radiation in a 10㎡ space, and its 24-hour clearance rate of formaldehyde reaches 73%. When used with tiger lily and green radish, it can form a three-dimensional purification system. Advanced maintenance points The cultivation substrate is based on the ratio of pearlite: red jade soil: humus soil =4:3:3, and a watering cycle of 15 days is maintained in spring and autumn. Use a pointed spout to slowly inject water along the basin wall to avoid root rot caused by stagnant water. In winter, it is necessary to maintain a wintering temperature above 10℃.
Correctly understanding the toxic characteristics and functional value of cactus can not only avoid health risks but also give full play to its ecological benefits. Choosing a thorn-free variety to cooperate with standardized maintenance can make this desert visitor a safe home companion.