Micro-morphology and Compositions of Epidermal Wax on Waxy Gourd

ZHANG Hui; YE Xinru; ZHU Haisheng; WEN Qingfang

doi:10.19303/j.issn.1008-0384.2023.11.003

Volume 38 Issue 11

Nov. 2023

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Article Navigation > Fujian Journal of Agricultural Sciences > 2023 > 38(11): 1277-1284

ZHANG H, YE X R, ZHU H S, et al. Micro-morphology and Compositions of Epidermal Wax on Waxy Gourd [J]. Fujian Journal of Agricultural Sciences，2023，38（11）：1277−1284 doi: 10.19303/j.issn.1008-0384.2023.11.003

Citation:

ZHANG H, YE X R, ZHU H S, et al. Micro-morphology and Compositions of Epidermal Wax on Waxy Gourd [J]. Fujian Journal of Agricultural Sciences，2023，38（11）：1277−1284 doi: 10.19303/j.issn.1008-0384.2023.11.003

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Micro-morphology and Compositions of Epidermal Wax on Waxy Gourd

doi: 10.19303/j.issn.1008-0384.2023.11.003

ZHANG Hui^{1, 2, 3
,},
YE Xinru^{1, 2, 3},
ZHU Haisheng^{1, 2, 3},
WEN Qingfang^{1, 2, 3
,
,}

1.
Crops Research Institute, Fujian Academy of Agricultural Sciences, Fuzhou, Fujian　350013, China
2.
Fujian Key Laboratory of Vegetable Genetics and Breeding, Fuzhou,Fujian　350013, China
3.
Fujian Engineering Research Center for Vegetables, Fuzhou, Fujian　350013, China

Received Date: 2023-08-25
Accepted Date: 2023-12-04
Rev Recd Date: 2023-12-03

Available Online: 2023-12-21

Publish Date: 2023-11-28

Abstract

Abstract

Objective Micro-morphology and chemical composition of the wax in pericarps of two varieties of waxy gourd were examined. Method The wax on the pericarps of the differently shaped Xiamaofenpixiaodonggua (XFX) and Xiamaofenpidadonggua (XFD) waxy gourds were examined under a scanning electronic microscope. The epidermal wax composition was analyzed by non-targeted gas chromatography-mass spectrometry (GC-MS) metabolomics. Result Numerous stacked rod-like structures covered the surface of XFX and XFD, but the filamentous material appeared only on XFX. Triterpenoids were the most abundant compounds found in the wax, i.e., 42.09% on XFX and 35.63% on XFD. On the other hand, the esters and alkanes differed significantly between the two varieties, which were 31.16% and 3.53%, respectively, on XFX, and 22.17% and 17.34%, respectively, on XFD. In total, 65 substances in 9 categories were identified that included 11 extremely significantly and 8 significantly differentiated compounds. Conclusion The micro-structures and compositions of the epidermal wax of the two waxy gourd varieties were surprisingly different, and the structural differentiation could be chemically related. Further study to decipher the biosynthesis pathway of the waxy gourd is in order.
- Pericarp wax,
- waxy gourds,
- GC-MS,
- structure,
- component

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References(25)

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