Effect of melatonin on biochemical changes, antioxidant system and oxidative membrane damage of Indian guava (cv. Barafkhana) during cold storage

M, Menaka; Asrey, Ram; Meena, Nirmal Kumar; Vargheese, Eldho; Sethi, Shruti; R, Vinod B.; Ahamad, Sajeel; Goswami, Amit Kumar

doi:10.1016/j.sajb.2024.04.007

South African Journal of Botany

2024

DOI: 10.1016/j.sajb.2024.04.007

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Effect of melatonin on biochemical changes, antioxidant system and oxidative membrane damage of Indian guava (cv. Barafkhana) during cold storage

Menaka M,

Ram Asrey,

Nirmal Kumar Meena

et al.

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2024

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Cited by 4 publications

References 58 publications

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Maintaining postharvest quality and enhancing shelf-life of bell pepper (Capsicum annuum L.) using brassinosteroids: A novel approach

Ahamad,

Asrey,

Vinod

et al. 2024

South African Journal of Botany

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Maintaining postharvest quality and enhancing shelf-life of bell pepper (Capsicum annuum L.) using brassinosteroids: A novel approach

Ahamad,

Asrey,

Vinod

et al. 2024

South African Journal of Botany

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Nutritional retention and browning minimisation in dehydrated onion slices through potassium metabisulphite and sodium chloride pre‐treatments

Ahamad,

Sagar,

Asrey

et al. 2024

Int J of Food Sci Tech

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SummaryThe global demand for dehydrated onion is on the rise, driven by the increasing consumer preference for ready‐to‐eat convenience foods. This study focused on enhancing the quality and functional properties of dehydrated onion slices (cv. Pusa Shobha) through different pre‐treatment and drying conditions. Fresh onion slices were subjected to pre‐treatment using NaCl (3%, 5% and 7%) and KMS (0.3%, 0.5% and 0.7%) solutions for 10 min, followed by tray drying at 50 °C, 60 °C and 70 °C temperatures for varying durations of 14, 12 and 10 h, respectively. Based on physicochemical and functional properties, onion slices pretreated with 5% NaCl + 0.5% KMS and dehydrated at 60 °C for 12 h retained higher bioactive compounds like total phenols (166.32 mg GAE 100 g−1 DW), total flavonoids (28.94 mg QE g−1 DW), ascorbic acid (12.45 mg 100 g−1 DW), quercetin (172.88 μg g−1 DW) and total antioxidant activity (24.59 μmol TE g−1 DW). Additionally, it maintained superior sensory acceptability with higher pungency (7.15 μmol g−1 DW), dehydration ratio (9.25%), rehydration ratio (5.20%), lower non‐enzymatic browning (0.36) and moisture content (5.75%). Hence, the optimised treatment of ‘Pusa Shobha’ slices with 5% NaCl + 0.5% KMS, followed by dehydration at 60 °C for 12 h, yields dehydrated onion slices with superior bioactive compounds, sensory acceptability, and enhanced functional properties. The findings of his research offer valuable technology for the food industry, providing a practical and efficient method to produce high‐quality dehydrated onion slices.

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Effect of Melatonin on the Growth of Dendrobium officinale Protocorm-Like Bodies

Tang,

Huang,

Yuan

et al. 2024

Agronomy

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Dendrobium officinale Kimura & Migo is a perennial herbaceous plant of the genus Dendrobium in the family of Orchidaceae with high medicinal value. Melatonin (MT) is an indole-like tryptamine with functions such as regulating plant growth and development. This experiment investigated the effects of different concentrations of MT on the growth and development of protocorms of D. officinale protocorm-like bodies (PLBs). The results showed that the changes in morphological indicators such as color, cluster size, and surface changes were more significant under 75 µM MT than those of 0 µM (CK), and the appearance of white on the PLB surface was expedited, which was more conducive to the proliferation of PLBs. MT treatment of 100 µM inhibited the differentiation of adventitious buds, and the contents of photosynthetic pigments, polysaccharides, and flavonoids were significantly increased. Moreover, as compared with CK, the activities of superoxide dismutase (SOD), peroxidase (POD), and catalase (CAT) in PLBs increased significantly, while the content of malondialdehyde (MDA) decreased gradually with 75 µM or less. In conclusion, a concentration of 75 µM melatonin can enhance the rapid propagation rate of D. officinale in vitro, providing insights into the effects of melatonin on the growth of tissue-cultured D. officinale seedlings.

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Effect of melatonin on biochemical changes, antioxidant system and oxidative membrane damage of Indian guava (cv. Barafkhana) during cold storage

Cited by 4 publications

References 58 publications

Maintaining postharvest quality and enhancing shelf-life of bell pepper (Capsicum annuum L.) using brassinosteroids: A novel approach

Maintaining postharvest quality and enhancing shelf-life of bell pepper (Capsicum annuum L.) using brassinosteroids: A novel approach

Nutritional retention and browning minimisation in dehydrated onion slices through potassium metabisulphite and sodium chloride pre‐treatments

Effect of Melatonin on the Growth of Dendrobium officinale Protocorm-Like Bodies

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