文献类型： 外文期刊
作者： Xiang, Nan 1 ; Hu, Jianguang 2 ; Zhang, Bing 1 ; Cheng, Yaoyao 1 ; Wang, Siyun 3 ; Guo, Xinbo 1 ;
作者机构： 1.South China Univ Technol, Engn Res Ctr Starch & Vegetable Prot Proc, Sch Food Sci & Engn,Guangdong Prov Key Lab Green, Res Inst Food Nutr & Human Hlth,Minist Educ, Guangzhou 510640, Peoples R China
2.Guangdong Acad Agr Sci, Crop Res Inst, Key Lab Crops Genet Improvement Guangdong Prov, Guangzhou 510640, Peoples R China
3.Univ British Columbia, Dept Food Nutr & Hlth, Vancouver, BC, Canada
关键词： Light quality; Volatiles; Maize sprouts; Transcriptomic analyses; Biosynthesis pathway
期刊名称：FOOD RESEARCH INTERNATIONAL （ 影响因子：7.425； 五年影响因子：7.716 ）
ISSN： 0963-9969
年卷期： 2022 年 156 卷
页码：
收录情况： SCI
摘要： Maize sprouts are currently studied as one of novel nutritional sprout foods with special flavor. This study focused on the influences of light qualities on volatiles accumulation in maize sprouts by integrating transcriptomic and metabolic works. Fatty acid derivatives, including nonadecane and n-hexadecanoic acid were highly existed in maize sprouts. Besides, aldehydes and apocarotenoids were accumulated in light qualities whereas unsaturated fatty acids and sesquiterpenoids were declined by light qualities. The enhancements on fatty acid and phenylpropanoids/benzenoids derivatives of blue light quality were stronger than that of red light quality. In addition, there were nuances between blue and white light qualities, hence blue light quality was supposed to be an alternative energy-saving choice for cultivating maize sprouts. A MYB transcription factor was upregulated in light qualities and might play negative roles on linolenic acid degradation. C2H2 probably involved in the discrepant accumulation of terpenoids in maize sprouts treated by blue and red light qualities. The specific MYBs and bHLHs were correlated with terpenoid biosynthesis while a PL1 gene served as a potential regulator on phenylalanine biosynthesis flux. These findings provided new tactics for volatiles accumulation in maize sprouts as well as new insight into the volatile regulatory mechanism.
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