Effect of hydroponic nutrient composition and the barley variety on saponarin production under white LED

IF 4.2 3区农林科学 Q3 FOOD SCIENCE & TECHNOLOGY

Applied Biological Chemistry Pub Date : 2026-09-15 DOI:10.1186/s13765-026-01134-w

Kyeong-Yeol Oh, Sang-Woo Kang, Hyeon-Jeong Seong, Kwang-Min Kim, Sun-In Jung, Yu-Sin Jang, Jin-Hyo Kim

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Abstract

This study investigates the effect of nutrient composition and barley cultivars on saponarin production in young barley leaves (YBL) under low-intensity white LED light. Various treatments involving K₂HPO₄, NaCl, and salicylic acid (SA) were evaluated to be under 6500 K light with 210 PPFD. Among different nutrient combinations, 600 mg L^-1 K₂HPO₄ with 0.1% NaCl significantly enhanced saponarin concentration (12.3 g kg_dw^-1) and total saponarin amount per plant (150 µg plant^-1). In addition, the effects of light intensity on saponarin production were also examined across six barley cultivars, and the high light intensity (500 PPFD) notably increased total saponarin amount (212 µg plant^-1) in Keunal-bori than Hyenuri cultivars. Otherwise, Hyenuri cultivar showed the highest total saponarin amount (114 µg plant^-1) at low light intensity (100 PPFD), as well as the highest electricity efficiency (201 mg kWh^-1). These findings provide valuable insights into optimizing cultivation conditions for each cultivar in plant factories to maximize saponarin production while balancing energy consumption and metabolic efficiency.

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白光LED下水培营养成分及大麦品种对皂素产量的影响

研究了低强度白光LED照射下，营养成分和大麦品种对大麦幼叶皂苷产量的影响。在6500 K光照和210 PPFD下，对K2HPO4、NaCl和水杨酸（SA）的不同处理进行了评估。在不同的营养组合中，600 mg L-1 K2HPO4加0.1% NaCl显著提高了皂苷浓度（12.3 g kgww -1）和单株总皂苷含量（150µg plant-1）。此外，还研究了光强对6个大麦品种总皂苷含量的影响，结果表明，高光强（500 PPFD）显著提高了龙胆大麦品种总皂苷含量（212µg，株-1）。另外，在低光强（100 PPFD）下，Hyenuri品种总皂苷含量最高（114µg株-1），电效率最高（201 mg kWh-1）。这些发现为优化植物工厂中每个品种的栽培条件，在平衡能量消耗和代谢效率的同时最大限度地提高皂苷产量提供了有价值的见解。

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来源期刊

Applied Biological Chemistry Chemistry-Organic Chemistry

CiteScore

5.40

自引率

6.20%

发文量

审稿时长

20 weeks

期刊介绍： Applied Biological Chemistry aims to promote the interchange and dissemination of scientific data among researchers in the field of agricultural and biological chemistry. The journal covers biochemistry and molecular biology, medical and biomaterial science, food science, and environmental science as applied to multidisciplinary agriculture.