桦树液中富含生物活性物质，含有多种碳水化合物、20多种氨基酸和微量元素硅、铁、锶、钛、钡、铜等。

Birch Liquid Contained rich bioactive substances, multiple kinds of carbohydrate, more than 20 kinds of amino acids, and trace elements such as Si, Fe, Sr, ti, Ba and Cu etc.

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我们已观察到其他非水溶性化合物（如海藻酸钙、丁二酮肟、碳酸锌、碳酸钡及1-氨基蒽醌）也有类似的保护和生存能力。

We have observed similar protection and viability with other water-insoluble compounds such as calciumalginate, dimethylglyoxime, zinc carbonate , barium carbonate , and 1-aminoanthraquinone.

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