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Molecules 2017, 22(9), 1462; doi:10.3390/molecules22091462

Persimmon Fruit Powder May Substitute Indolbi, a Synthetic Growth Regulator, in Soybean Sprout Cultivation

1
International Institute of Agricultural Research & Development, Kyungpook National University, Daegu 41566, Korea
2
School of Applied Biosciences, Kyungpook National University, Daegu 41566, Korea
3
Department of Tourism Management, Yeungnam University College, Daegu 42415, Korea
*
Author to whom correspondence should be addressed.
Received: 30 July 2017 / Revised: 1 September 2017 / Accepted: 3 September 2017 / Published: 3 September 2017
(This article belongs to the Section Natural Products)
View Full-Text   |   Download PDF [259 KB, uploaded 3 September 2017]

Abstract

Soybean sprouts are a major food item in Korea. Various studies have been carried out to enhance their yield and nutritional values. The objective of the present study was to examine the influence of persimmon fruit powder and Indolbi, a synthetic plant growth regulator, on the yield and nutritional value of soybean sprouts. Seeds were soaked in tap water containing 0.5%, 1.0%, 2.5% and 5.0% (w/v) persimmon fruit powder and the samples were named as PT-1, PT-2, PT-3, and PT-4, respectively. The yield increment was almost doubled in PT-3 and PT-4 than in the Indolbi treated sprouts on basis of the control. Vitamin C, isoflavones, and total phenolic contents as well as antioxidant potentials (determined by 1,1-diphenyl-2-picrylhydrazyl and superoxide anion radical scavenging assays) were also significantly (p < 0.05) higher in PT-3 compared to the Indolbi treatment and the control. However, total free amino acid and magnesium contents of Indolbi- applied sprouts were higher than in the fruit powder treatments. The overall results of the present study showed that persimmon fruit powder can be an option to enhance the yield and nutritional value of soybean sprouts since, due to potential health hazards, the use of synthetic chemicals like Indolbi is less preferred than the natural products. View Full-Text
Keywords: Indolbi; isoflavone; nutritional value; persimmon fruit powder; soybean sprout; yield Indolbi; isoflavone; nutritional value; persimmon fruit powder; soybean sprout; yield
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Kim, I.-D.; Dhungana, S.K.; Park, Y.-S.; Kim, D.J.; Shin, D.-H. Persimmon Fruit Powder May Substitute Indolbi, a Synthetic Growth Regulator, in Soybean Sprout Cultivation. Molecules 2017, 22, 1462.

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