期刊
PLANT BIOLOGY
卷 24, 期 4, 页码 697-703出版社
WILEY
DOI: 10.1111/plb.13362
关键词
Antioxidant activity; hydrogen sulphide; pre-climacteric; shelf life; vacuum infiltration
资金
- Bihar Agricultural University, Sabour, India
This study examines the effects of vacuum infiltrated H2S on ripening inhibition of banana, finding that treated fruits show lower accumulation of ROS, elevated phenols content, and enhanced antioxidant capacity. The inhibitory effects of H2S delay chlorophyll loss and reduce ethylene and CO2 production, resulting in longer shelf life for postharvest banana.
Hydrogen sulphide (H2S) has emerged as a potential regulator of plant defence against different abiotic stresses. As a climacteric fruit, banana undergoes oxidative stresses shortly after harvest, resulting in faster ripening and senescence. This work examines the effects of vacuum infiltrated H2S on ripening inhibition of banana. Banana fruits were vacuum infiltrated with 1 mm H2S. Effects on oxidative stress markers, physiological changes, bioactive compounds and antioxidant potentials were examined during storage at 25 degrees C and 75-80% RH. Results indicate that treated fruits were less affected by oxidative stress, as evident by lower accumulation of ROS (superoxide and peroxide ions), elevated phenols content and antioxidant capacity. The ripening inhibitory effects of H2S delayed chlorophyll loss and reduced ethylene and CO2 production. H2S infiltration also reduced MDA accumulation and electrolytic leakage, resulting in longer shelf life. Vacuum infiltration with H2S had a protective effect on postharvest banana through overcoming the deleterious effect of ROS and strengthening antioxidant potential. Thus, this method could be promising for enhanced preservation of banana during storage.
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