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| Effect of Different Killing Methods on Nutrition of Hemerocallis citrina Baroni |
| LI Deng-xuan，LI Dong-bo，XU Guo-bin，CAO Liu-ying，LI Cai-xia，ZHOU Qiang |
| Gansu Provincial University Key Laboratory for Protection and Utilization of Longdong Bio-resources，Qingyang 745000，Gansu，China |
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Abstract Four kinds of kill out methods，including solar power，vapour，micro-wave and medicinal treatment were used to treat the daylily（Hemerocallis citrina Baroni），and studied their effects on daylily nutrient．The results indicated that the total sugar and protein content of dried daylily via vapour method were 55.66 % and 11.54 % respectively，higher than the national standard．The protein content of dried daylily via solar power method was 11.35 %，higher than the national standard and its contents of VC and β-carotene were the highest，489.0 mg?kg-1 and 36.5 mg?kg-1，respectively．But its total acidity（2.90 %）was lower than the national standard．The dried daylily via kill out method of solar power had the best quality，least loss of nutrient，with easy and simple processing way．Besides，it was energy saving and friendly to environment.
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Received: 07 March 2011
Published: 05 May 2011
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