Improved melatonin content and antioxidant activity of mung bean sprout by germination under salinity incorporated with exogenous melatonin

Moongngarm Anuchita, . and Chaiyarak Arisa, . and Prachanun Kanyapuk, . and Nontasan Supap, . Improved melatonin content and antioxidant activity of mung bean sprout by germination under salinity incorporated with exogenous melatonin. pp. 80-94. ISSN 2672-7226

Melatonin is a natural hormone produced by the pineal gland in the brain to regulate human circadian rhythms. It is often used to treat sleep disorders and as an antioxidant. High melatonin and antioxidant mung bean sprouts were produced. The effects of germination time sodium chloride (NaCl) stress exogenous melatonin treatment on the improvement of endogenous melatonin total phenolic compounds (TPC) and antioxidant profiles of mung bean sprouts were evaluated using the response surface method (RSM). Eleven conditions of germination were generated using a fractional factorial design. The results indicated that all conditions led to a germination rate of over 92. An increase in germination time NaCl concentration and exogenous melatonin resulted in the elevation of endogenous melatonin TPC and antioxidant activity of sprouts. Optimal conditions for the germination of mung bean sprouts were 0.50 NaCl 30 M melatonin with a germination time of 72 h. The experimental values under these conditions were 942.88 ng/g for melatonin 1.83 mg/g for total phenolic content 0.95 mg Trolox equivalent (TE)/g for DPPH radical scavenging assay and 11.02 mg TE/g for total antioxidant capacity. Germination under these conditions is considered a potential process that could be adopted to produce ready-to-eat sprouts or functional ingredients with high concentration of melatonin for the food industry.

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Abstract

Melatonin is a natural hormone produced by the pineal gland in the brain to regulate human circadian rhythms. It is often used to treat sleep disorders and as an antioxidant. High melatonin and antioxidant mung bean sprouts were produced. The effects of germination time sodium chloride (NaCl) stress exogenous melatonin treatment on the improvement of endogenous melatonin total phenolic compounds (TPC) and antioxidant profiles of mung bean sprouts were evaluated using the response surface method (RSM). Eleven conditions of germination were generated using a fractional factorial design. The results indicated that all conditions led to a germination rate of over 92. An increase in germination time NaCl concentration and exogenous melatonin resulted in the elevation of endogenous melatonin TPC and antioxidant activity of sprouts. Optimal conditions for the germination of mung bean sprouts were 0.50 NaCl 30 M melatonin with a germination time of 72 h. The experimental values under these conditions were 942.88 ng/g for melatonin 1.83 mg/g for total phenolic content 0.95 mg Trolox equivalent (TE)/g for DPPH radical scavenging assay and 11.02 mg TE/g for total antioxidant capacity. Germination under these conditions is considered a potential process that could be adopted to produce ready-to-eat sprouts or functional ingredients with high concentration of melatonin for the food industry.

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Item Type:	Article
AGROVOC Term:	Melatonin
AGROVOC Term:	Mung beans
AGROVOC Term:	Bean sprouts
AGROVOC Term:	Salinity
AGROVOC Term:	Germination
AGROVOC Term:	Antioxidants
AGROVOC Term:	Phenolic compounds
AGROVOC Term:	Moisture content
AGROVOC Term:	Phenolic content
AGROVOC Term:	Functional foods
Depositing User:	Mr. AFANDI ABDUL MALEK
Last Modified:	24 Apr 2025 00:55
URI:	http://webagris.upm.edu.my/id/eprint/9629

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