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以南非蟛蜞菊为研究对象,以粉色凤仙花叶提取液为保鲜剂,通过水提取法、乙醇冷浸渍法和丙酮提取法分别提取凤仙花叶中的有效成分,分别设置0.010、0.005、0.0025g/mL 3种不同的浓度梯度,研究凤仙花叶提取物对蟛蜞菊切花在瓶插期间水分平衡变化、花径叶生理代谢以及保鲜液变化的影响,以期为凤仙花叶的提取物对鲜切花保鲜技术的进一步研发提供参考依据。结果表明:3种提取物均有很强的保鲜作用;保鲜效应依次为丙酮>95%乙醇>水,最佳提取方法是丙酮提取法;3种提取方法对蟛蜞菊切花保鲜最适宜的浓度均为0.005g/mL。
In the paper, the content of the active components in the leaves of Impatiens fasciatum was extracted by water extraction method, ethanol cold dipping method and acetone extraction method with the flowers of Impatiens fasciatus as preservatives, respectively, with the content of 0.010, 0.005, 0.0025 g / mL three kinds of different concentration gradient, Impatiens Hualien extract on the cut flowers during the cutaneous changes of water balance, flower diameter leaf physiological metabolism and preservation of liquid changes in order to Impatiens extract Fresh cut flowers preservation technology to further research and development provide a reference. The results showed that the three kinds of extracts had a strong preservation effect. The preservation effect was acetone> 95% ethanol> water, and the best extraction method was acetone extraction. The optimum concentration of the three extraction methods for the preservation of cut flowers was 0.005 g / mL.