Effect of Growth Promoting Agents on Flavor of Netted Melon
2022
Lifeng LI | Yue SHI | Ting LI | Xueshan WEN | Liqun ZHAO | Ruiqi WANG | Jing QIAN | Xiaoyan ZHAO | Chao ZHANG
The effect of growth promoting agents on the flavor of netted melon was evaluated. During the planting, Bacillus subtilis, Trichoderma harzianum and Streptomyces were applied to the roots for 4 times at a dosage of 0.1 g/m2 respectively. After harvest, volatile components of fruits were evaluated and compared with the untreated ones as the control based on the SPME-GC-MS and electric nose analysis. The results showed that the growth promoting agents affected the composition and concentration of volatile components in netted melon. A total of 54 volatile components were detected in Trichoderma harzianum group, whose content was 294.46 μg/kg being 22.66% higher than that of the control. A total of 13 aroma components was determined in Trichoderma harzianum group including trans-6-nonenal, cis-6-nonenol, octanal, trans-2-nonenal, trans,cis-2,6-nonenal, β-Violone, 3,6-nonyl-1-alcohol, nonanal, 1-octene-3-alcohol, heptanaldehyde, 2-methylbutyraldehyde, cis-3-hexenal and ethyl butyrate. The number and aroma activity value of the aroma components in the Trichoderma harzianum group was 33.33% and 82.53% higher than those of the control, respectively. Therefore, Trichoderma harzianum could improve the flavor richness and intensity of netted melon.
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