Strigolactone Preserves Fresh-Cut Apple Quality during Shelf Life

Zunchun Liu, Xinyu Zhang, Shuhua Zhu and Dandan Huang ()
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Zunchun Liu: College of Horticulture and Landscape Architecture, Henan Institution of Science and Technology, Xinxiang 453003, China
Xinyu Zhang: College of Horticulture and Landscape Architecture, Henan Institution of Science and Technology, Xinxiang 453003, China
Shuhua Zhu: College of Chemistry and Material Science, Shandong Agricultural University, Taian 271018, China
Dandan Huang: College of Chemistry and Material Science, Shandong Agricultural University, Taian 271018, China

Agriculture, 2024, vol. 14, issue 9, 1-17

Abstract: Strigolactone (SL) is a signal factor that plays a vital role in plants. The application of SL for the storability of horticultural products has recently received attention. In this experiment, fresh-cut apples were treated with SL at diverse concentrations and stored at 4 °C for 10 days, and the changes in quality characteristics, antioxidant system, hydrogen sulfide metabolism, and nitric oxide metabolism were determined. Compared with other treatments, the results showed that SL treatment at 0.50 µmol L −1 had excellent effects on maintaining fruit surface color, weight, firmness, reduced respiration rate, soluble solids content, and electrolyte leakage. SL treatment increased antioxidant enzyme activities, reduced reactive oxygen species (ROS) accumulation, altered the nitric oxide synthase (NOS)-like pathway to promote endogenous NO production in the fruit, and facilitated the L-cysteine-catalyzed process to increase the endogenous hydrogen sulfide (H 2 S) content. In addition, SL treatment affected the mRNA transcription levels of several genes related to the antioxidant system, H 2 S metabolism, and NO synthesis, including MdSOD , MdCAT , MdPOD , and MdSAT . Taken together, the results indicated that 0.50 µmol L −1 SL treatment improves the endogenous synthesis of NO and H 2 S, enhances the antioxidative system, and maintains the quality of fresh-cut apples during their shelf life. Therefore, the present study opens up the possibility of using the exogenous application of strigolactone in the fresh-cut processing industry.

Keywords: strigolactone; fresh-cut; apple; hydrogen sulfide; nitric oxide; quality (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2024
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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