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采用气相色谱分析克线丹在甘蔗中的残留量，方法准确度９２．７８％－９９．０３％，精密度标准差０．２１６６～１．８９３０ｍｇ／ｋｇ。最小检出量７．５７５８×１０－１０ｇ，最小检测浓度０．００６１ｍｇ／ｋｇ。每公顷面积施有效剂量３０００～６０００ｇ，施后１８０～２４０天检测，甘蔗中最终残留量＜０．００６ｍｇ／ｋｇ。在甘蔗中的残留量消解动态方程，南宁市郊区Ｃ＝０．０２５７ｅ－０．０４７７Ｔ、广州市郊Ｃ＝０．０５２０ｅ－０．０６５１Ｔ。在甘蔗中的半衰期１１～１５天，在土壤中为２１—２３天。参照ＦＡＯ／ＷＨＯ标准，克线丹对人体每日允许摄入量０．０５μｇ／ｋｇ天，我国规定克线丹在甘蔗上的最高残留限量０．１ｍｇ／ｋｇ。根据本测定结果，在甘蔗苗期使用克线丹１次，每公顷有效剂量＜６０００克是极为安全的。
The residual amount of cistancil in sugarcane was analyzed by gas chromatography. The accuracy of the method was 92.78% -99.03%, and the standard deviation of precision was 0.2166 ~ 1.8930mg / kg. The minimum detection volume of 7.5758 × 10-10g, the minimum detection concentration of 0.0061mg / kg. The effective area per hectare applied 3000 ~ 6000g, 180 ~ 240 days after the test, the final residue of sugar cane <0.006mg / kg. In the sugarcane residue digestion dynamic equation, suburbs of Nanning C = 0.0257e-0.0477T, Guangzhou suburbs C = 0.0520e-0.0651T. The half-life in sugarcane is 11-15 days and 21-23 days in soil. According to the FAO / WHO standards, the daily allowable intake of cordycepin to human body is 0.05 μg / kg day, and the maximum residue limit of cordycepin in sugarcane is 0.1 mg / kg in our country. According to the results of this assay, it is extremely safe to use cinnadon once in the seedling stage of sugarcane with an effective dose of <6000 g / ha.