黄酮苷类化合物广泛存在于自然界，具有显著的生物活性，是一类重要的天然有机化合物。
Flavonoid glycosides are widespread ubiquitous natural product, and have been associated with a wide variety biological activities.
天然黄酮类化合物广泛存在于药用植物、水果和蔬菜中，是一类重要的天然有机化合物，其存在形式既有与糖结合成苷的，也有游离体。
The natural flavonoid widely exists in medicinal plant, fruit and vegetable, it is a kind of important natural organic compound in the form of either sugar glucoside or free molecular.
对天然有机化合物的提取和分离技术进行了综述。
The techniques of extraction and separation of natural organic compounds were reviewed in the article.
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