Melatonin its precursors total phenolic content and antioxidant activity in legumes germinated under normal and saline conditions

Supap Nontasan, . and Pheeraya Chotthanom, . and Anuchita Moongngarm, . Melatonin its precursors total phenolic content and antioxidant activity in legumes germinated under normal and saline conditions. pp. 54-67. ISSN 2672-7226

Legumes are a potent source of bioactive ingredients that may be enhanced in seed germination particularly under saline condition. The levels of melatonin its precursors total phenolic compounds (TPC) and antioxidant activity of selected legume seeds were evaluated. Soybeans (Glycine max) black beans (Phaseolus vulgaris) red kidney beans (Phaseolus vulgaris) chickpeas (Cicer arietinum) and lentils (Lens culinaris) were germinated with distilled water and sodium chloride solution (67 mM NaCl) while ungerminated seeds served as control. Results indicated that legume seeds were a good dietary source of melatonin serotonin and free tryptophan as well as TPC. Germination of legume seeds regardless of NaCl treatment would stimulate melatonin serotonin and tryptophan content and also exhibited stronger antioxidant activity than ungerminated seeds. However under saline condition the levels of melatonin serotonin TPC and antioxidant activity were enhanced in soybeans black beans and lentils while chickpeas and red kidney beans exhibited higher levels of melatonin TPC and antioxidant activity. These findings showed that the germination of legume seeds under saline stress to stimulate antioxidant defense mechanisms is a promising technique to improve the level of antioxidants like TPC melatonin and its precursors as well as antioxidant activity in legume sprouts.

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Abstract

Legumes are a potent source of bioactive ingredients that may be enhanced in seed germination particularly under saline condition. The levels of melatonin its precursors total phenolic compounds (TPC) and antioxidant activity of selected legume seeds were evaluated. Soybeans (Glycine max) black beans (Phaseolus vulgaris) red kidney beans (Phaseolus vulgaris) chickpeas (Cicer arietinum) and lentils (Lens culinaris) were germinated with distilled water and sodium chloride solution (67 mM NaCl) while ungerminated seeds served as control. Results indicated that legume seeds were a good dietary source of melatonin serotonin and free tryptophan as well as TPC. Germination of legume seeds regardless of NaCl treatment would stimulate melatonin serotonin and tryptophan content and also exhibited stronger antioxidant activity than ungerminated seeds. However under saline condition the levels of melatonin serotonin TPC and antioxidant activity were enhanced in soybeans black beans and lentils while chickpeas and red kidney beans exhibited higher levels of melatonin TPC and antioxidant activity. These findings showed that the germination of legume seeds under saline stress to stimulate antioxidant defense mechanisms is a promising technique to improve the level of antioxidants like TPC melatonin and its precursors as well as antioxidant activity in legume sprouts.

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Item Type:	Article
AGROVOC Term:	Legumes
AGROVOC Term:	Seed germination
AGROVOC Term:	Saline water
AGROVOC Term:	Melatonin
AGROVOC Term:	Serotonin
AGROVOC Term:	Enzyme precursors
AGROVOC Term:	Antioxidants
AGROVOC Term:	Phenolic content
AGROVOC Term:	Tryptophan
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/9627

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