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| Effects of Leaf Spraying Water-soluble Silicon on Volatile Compound Contents in Different Parts of Allium fistulosum L. var. viviparum Makino |
| WANG Yu1，WANG Ronghui2，DING Yuehua3，HOU Xiaojian1，WANG Jianglong1，JIA Yi’nan1，BAO Wenyi1，WANG Ting1，ZHANG Guangdi1，4，5* |
| 1College of Food and Wine，Ningxia University，Yinchuan 750021，Ningxia，China；2Ningxia Township Enterprise Economic Development and Service Center，Yinchuan 750001，Ningxia，China；3Agricultural Technology Extension Center of Tongxin County，Wuzhong 751100，Ningxia，China；4Ningxia Facility Horticulture Technology Innovation Center，Yinchuan 750021，Ningxia，China；5Ningxia Key Laboratory of Food Microbial Application Technology and Safety Control，Yinchuan 750021，Ningxia，China |
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Abstract In order to explore the effect of leaf spraying water-soluble silicon during nutritional growth period on Allium fistulosum L. var. viviparum Makino quality，this study adopted gas chromatography ionmobility spectrometry（GC-IMS）technology，detected and analyzed the volatile compounds of Allium fistulosum L. var. viviparum Makino．Results showed that 64 and 67 volatile compounds were detected in pseudo stem and tubular leaves，respectively．Among them，38 effective substances were identified in pseudo stem and 33 effective substances were identified in tubular leaves．Spraying 400 times water-soluble silicon could increase the accumulation quantities of volatile compounds with floral and fruity aroma（tsugbonate，ethyl octanoate，etc.）and spicy odor（diallyl disulfide，dipropyl trisulfide，etc.）in pseudo stem，and increase the abundance of volatile compounds with floral and fruity aroma in tubular leaves．Therefore，spraying exogenous water-soluble silicon could increase the content of characteristic volatile compounds in Allium fistulosum L. var. viviparum Makino，and then provided theoretical basis for strengthening directive utilization of different tissue parts in Allium fistulosum L. var. viviparum Makino．
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Received: 28 September 2022
Published: 18 January 2023
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