Food Science and Technology

Red light-transmittance bagging promotes carotenoid accumulation of grapefruit during ripening

X. Huang, L. Hu, et al.

This exciting research by Xiulian Huang and colleagues explores how different light-transmitting bags impact carotenoid accumulation in grapefruits. Their findings reveal that red light significantly enhances carotenoid content, suggesting that these treatments could improve the coloration and nutritional quality of citrus fruits.

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Index

Abstract

This study investigated the effect of different light-transmitting bags on carotenoid accumulation in grapefruit during ripening. Grapefruits were bagged with red, blue, white light-transmitting bags, and a control group with no bagging. Red light treatment significantly increased total carotenoid content by 62% compared to the control. Weighted gene co-expression network analysis (WGCNA) identified 'blue' and 'turquoise' modules associated with carotenoid metabolism. Transcriptomic analysis revealed several transcription factors involved in regulating carotenoid metabolism in response to red light, ultimately modulating the expression of carotogenic genes. The findings suggest that red light treatments hold promise for enhancing the coloration and nutritional quality of citrus fruits.

Publisher

Communications Biology

Published On

Apr 04, 2022

Authors

Xiulian Huang, Linping Hu, Wenbin Kong, Can Yang, Wanpeng Xi

DOI

https://doi.org/10.1038/s42003-022-03270-7

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