Changes in Nutrient Components and Digestive Enzymatic Inhibition Activities in Soy Leaves by Ethephon Treatment

In this study, the high isoflavone-enriched soy leaves (IESLs) were manufactured by treating with the chemical inducer ethephon, a plant growth regulator, to confirm changes in the properties of soy leaves (SLs), which are underutilized. Ethephon treatment concentrations consisted of 0 (SL1), 150 (S...

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Published in:Plants (Basel) 2023-10, Vol.12 (20), p.3640
Main Authors: Lee, Ji Ho, Cho, Du Yong, Jang, Kyeong Jin, Jeong, Jong Bin, Lee, Ga Young, Jang, Mu Yeun, Son, Ki Ho, Lee, Jin Hwan, Lee, Hee Yul, Cho, Kye Man
Format: Article
Language:English
Subjects:
Agricultural chemicals
Amino acids
Analysis
Antioxidants
Carbohydrates
Chloroethylphosphonic acid
Comparative analysis
Composition
Cosmetics
Diabetes
digestive enzymatic inhibition activity
Environmental aspects
ethephon
Fatty acids
Functional foods
Functional foods & nutraceuticals
Growth regulators
Instrument industry
isoflavone
Isoflavones
Leaves
Metabolism
Metabolites
Nutritional aspects
Physiological aspects
Physiology
Plant growth
Plant hormones
Raw materials
Soybean
soybean leaf
Soybeans
Type 2 diabetes
Vitamins
water-soluble vitamin
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Summary:In this study, the high isoflavone-enriched soy leaves (IESLs) were manufactured by treating with the chemical inducer ethephon, a plant growth regulator, to confirm changes in the properties of soy leaves (SLs), which are underutilized. Ethephon treatment concentrations consisted of 0 (SL1), 150 (SL2), and 300 (SL3) μg/mL. The composition analysis and physiological activity were conducted according to the ethephon treatment concentration of SLs. There was no significant difference in the proximate composition and fatty acids, except for an increase with increasing ethephon treatment concentrations. Depending on the ethephon treatment concentration, free amino acids increased to 1413.0, 1569.8, and 2100.4 mg/100 g, and water-soluble vitamins increased to 246.7, 244.7, and 501.6 mg/100 g. In particular, the functional substance isoflavone increased significantly to 1430.11, 7806.42, and 14,968.00 μg/g. Through this study, it was confirmed that the nutritional components and isoflavones of SLs increased according to the ethephon treatment concentration, a chemical inducer treatment agent. This can be used as a high-value-added biosubstance for raw materials for functional foods, cosmetics, and for natural drugs.
ISSN:2223-7747
2223-7747
DOI:10.3390/plants12203640