仙人掌以其株形奇异,千姿百态,四季常青,花朵艳丽,又不畏干旱贫瘠,适于管理和具有夜间吸收二氧化碳等优点而获得人们的青睐,被大量引栽于庭院、阳台和居室。据国内外专家研究表明,仙人掌之所以具有与众不同的夜间吸收二氧化碳的奇特本领,主要是因为它体内含有许多有机酸。这种有机酸与夜间吸收的二氧化碳产生化学反应,变成另一种有机酸保存下来。待到白 Cacti with its strange shape of the plant, mix and match, evergreen, beautiful flowers, but also fear the drought barren, suitable for management and has the advantage of carbon dioxide absorption at night and other people get the favor, was cited in large numbers in the courtyard, balconies and living rooms. According to domestic and foreign experts show that the reason why cacti has a unique ability to absorb carbon dioxide unique night, mainly because it contains many organic acids. This organic acid reacts chemically with carbon dioxide absorbed at night, turning it into another organic acid. Until white