Treatment of water extract of green tea during kale cultivation using a home vertical farming appliance conveyed catechins into kale and elevated glucosinolate contents
The growing interest in healthy diets has driven the demand for food ingredients with enhanced health benefits. In this study, we aimed to explore a method to enhance the bioactivity of kale using a home vertical farming appliance. Specifically, we investigated the effects of treating kale with a gr...
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| Format: | Article |
| Language: | English |
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Elsevier
2024-01-01
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| Series: | Current Research in Food Science |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2665927124001783 |
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| author | Young-Woong Ju Su-Hyeon Pyo So-Won Park Chae-Ryun Moon Seul Lee Mzia Benashvili Jai-Eok Park Chu Won Nho Yang-Ju Son |
| author_facet | Young-Woong Ju Su-Hyeon Pyo So-Won Park Chae-Ryun Moon Seul Lee Mzia Benashvili Jai-Eok Park Chu Won Nho Yang-Ju Son |
| author_sort | Young-Woong Ju |
| collection | DOAJ |
| description | The growing interest in healthy diets has driven the demand for food ingredients with enhanced health benefits. In this study, we aimed to explore a method to enhance the bioactivity of kale using a home vertical farming appliance. Specifically, we investigated the effects of treating kale with a green tea water extract (GTE; 0.1–0.5 g/L in nutrient solution) for two weeks before harvest during five weeks of kale cultivation. GTE treatment did not negatively affect the key quality attributes, such as yield, semblance, or sensory properties. However, it led to the accumulation of bioactive compounds, epicatechin (EC) and epigallocatechin gallate (EGCG), which are typically absent in kale. In the control group, no catechins were detected, whereas in the GTE-treated group, the concentration of EC and EGCG were as high as 252.11 and 173.26 μg/g, respectively. These findings indicate the successful incorporation of catechins, known for their unique health-promoting properties, into kale. Additionally, GTE treatment enhanced the biosynthesis of glucosinolates, which are key secondary metabolites of kale. The total glucosinolate content increased from 9.56 μmol/g in the control group to 16.81 μmol/g in the GTE-treated group (treated with 0.5 g/L GTE). These findings showed that GTE treatment not only enriched kale with catechins, the primary bioactive compounds in green tea but also increased the levels of glucosinolates. This study, conducted using a home vertical farming appliance, suggests that bioactivity-enhanced kale can be grown domestically, providing consumers with a nutrient-fortified food source. |
| format | Article |
| id | doaj-art-28bc767384434cd9a4fda79c0b47274d |
| institution | Kabale University |
| issn | 2665-9271 |
| language | English |
| publishDate | 2024-01-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Current Research in Food Science |
| spelling | doaj-art-28bc767384434cd9a4fda79c0b47274d2024-12-13T11:03:15ZengElsevierCurrent Research in Food Science2665-92712024-01-019100852Treatment of water extract of green tea during kale cultivation using a home vertical farming appliance conveyed catechins into kale and elevated glucosinolate contentsYoung-Woong Ju0Su-Hyeon Pyo1So-Won Park2Chae-Ryun Moon3Seul Lee4Mzia Benashvili5Jai-Eok Park6Chu Won Nho7Yang-Ju Son8Department of Food and Nutrition, Chung-Ang University, Anseong, 17546, Republic of KoreaDepartment of Food and Nutrition, Chung-Ang University, Anseong, 17546, Republic of KoreaDepartment of Food and Nutrition, Chung-Ang University, Anseong, 17546, Republic of KoreaDepartment of Food and Nutrition, Chung-Ang University, Anseong, 17546, Republic of KoreaDepartment of Food and Nutrition, Chung-Ang University, Anseong, 17546, Republic of KoreaDepartment of Food and Nutrition, Chung-Ang University, Anseong, 17546, Republic of KoreaSmart Farm Research Center, Gangneung Institute of Natural Products, Korea Institute of Science and Technology (KIST), Gangneung, 25451, Republic of KoreaSmart Farm Research Center, Gangneung Institute of Natural Products, Korea Institute of Science and Technology (KIST), Gangneung, 25451, Republic of KoreaDepartment of Food and Nutrition, Chung-Ang University, Anseong, 17546, Republic of Korea; Corresponding author. Department of Food and Nutrition, College of Biotechnology and Natural Resources, Chung-Ang University, Anseong, 17546, Republic of Korea.The growing interest in healthy diets has driven the demand for food ingredients with enhanced health benefits. In this study, we aimed to explore a method to enhance the bioactivity of kale using a home vertical farming appliance. Specifically, we investigated the effects of treating kale with a green tea water extract (GTE; 0.1–0.5 g/L in nutrient solution) for two weeks before harvest during five weeks of kale cultivation. GTE treatment did not negatively affect the key quality attributes, such as yield, semblance, or sensory properties. However, it led to the accumulation of bioactive compounds, epicatechin (EC) and epigallocatechin gallate (EGCG), which are typically absent in kale. In the control group, no catechins were detected, whereas in the GTE-treated group, the concentration of EC and EGCG were as high as 252.11 and 173.26 μg/g, respectively. These findings indicate the successful incorporation of catechins, known for their unique health-promoting properties, into kale. Additionally, GTE treatment enhanced the biosynthesis of glucosinolates, which are key secondary metabolites of kale. The total glucosinolate content increased from 9.56 μmol/g in the control group to 16.81 μmol/g in the GTE-treated group (treated with 0.5 g/L GTE). These findings showed that GTE treatment not only enriched kale with catechins, the primary bioactive compounds in green tea but also increased the levels of glucosinolates. This study, conducted using a home vertical farming appliance, suggests that bioactivity-enhanced kale can be grown domestically, providing consumers with a nutrient-fortified food source.http://www.sciencedirect.com/science/article/pii/S2665927124001783KaleGreen teaVertical farmCatechinGlucosinolate |
| spellingShingle | Young-Woong Ju Su-Hyeon Pyo So-Won Park Chae-Ryun Moon Seul Lee Mzia Benashvili Jai-Eok Park Chu Won Nho Yang-Ju Son Treatment of water extract of green tea during kale cultivation using a home vertical farming appliance conveyed catechins into kale and elevated glucosinolate contents Current Research in Food Science Kale Green tea Vertical farm Catechin Glucosinolate |
| title | Treatment of water extract of green tea during kale cultivation using a home vertical farming appliance conveyed catechins into kale and elevated glucosinolate contents |
| title_full | Treatment of water extract of green tea during kale cultivation using a home vertical farming appliance conveyed catechins into kale and elevated glucosinolate contents |
| title_fullStr | Treatment of water extract of green tea during kale cultivation using a home vertical farming appliance conveyed catechins into kale and elevated glucosinolate contents |
| title_full_unstemmed | Treatment of water extract of green tea during kale cultivation using a home vertical farming appliance conveyed catechins into kale and elevated glucosinolate contents |
| title_short | Treatment of water extract of green tea during kale cultivation using a home vertical farming appliance conveyed catechins into kale and elevated glucosinolate contents |
| title_sort | treatment of water extract of green tea during kale cultivation using a home vertical farming appliance conveyed catechins into kale and elevated glucosinolate contents |
| topic | Kale Green tea Vertical farm Catechin Glucosinolate |
| url | http://www.sciencedirect.com/science/article/pii/S2665927124001783 |
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