Citation
Nur Syafini G., . and Mohammad Abid A., . and Mohd Nazrul Hisham D., . and Mohd Lip J., . and Zulhazmi S., . and Azhar M.N., . and Nurul Khdijah R., . (2022) Effect of LED lighting on phytochemical content of lettuce plants (green coral and red coral) grown in plant factory condition. Food Research (Malaysia), 6 (S1). pp. 80-85. ISSN 2550-2166
Abstract
Light is one of the most important environmental factors that affect plant growth. Light- emitting diodes (LEDs) are alternative lighting that has been shown to have the potential for plant growth and development under controlled conditions in plant factories. Plant factory production technology can increase the productivity and nutritional content of the plant. The phytochemical content of lettuce plants (Green Coral and Red Coral) grown under plant factory conditions with different spectrum LED lights (combination of red and blue LED and red, blue and green LED) were studied. The lettuce was harvested from day 20 until 35 after transplanting with an interval of five days. The result showed that the combination of red, blue and green LED lights is positive in terms of phytochemical content in both lettuce plants. Harvesting at days 30 to 35 after transplanting was effective in presenting a higher value in total chlorophyll, percentage of DPPH inhibition and reduction of total phenolic content in green Coral lettuce compared to early harvesting as it showed a highly significant difference. Besides, the chlorogenic acid content in green and red Coral presented significantly increased when harvesting was done on day 35. The combination of red, blue and green LED greatly affected chlorogenic acid content in both lettuces’ plants. Therefore, the result of the combination of LED and harvesting day might provide new information to improve the nutritional quality of lettuce plants after harvesting.
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Abstract
Light is one of the most important environmental factors that affect plant growth. Light- emitting diodes (LEDs) are alternative lighting that has been shown to have the potential for plant growth and development under controlled conditions in plant factories. Plant factory production technology can increase the productivity and nutritional content of the plant. The phytochemical content of lettuce plants (Green Coral and Red Coral) grown under plant factory conditions with different spectrum LED lights (combination of red and blue LED and red, blue and green LED) were studied. The lettuce was harvested from day 20 until 35 after transplanting with an interval of five days. The result showed that the combination of red, blue and green LED lights is positive in terms of phytochemical content in both lettuce plants. Harvesting at days 30 to 35 after transplanting was effective in presenting a higher value in total chlorophyll, percentage of DPPH inhibition and reduction of total phenolic content in green Coral lettuce compared to early harvesting as it showed a highly significant difference. Besides, the chlorogenic acid content in green and red Coral presented significantly increased when harvesting was done on day 35. The combination of red, blue and green LED greatly affected chlorogenic acid content in both lettuces’ plants. Therefore, the result of the combination of LED and harvesting day might provide new information to improve the nutritional quality of lettuce plants after harvesting.
Additional Metadata
| Item Type: | Article |
|---|---|
| Additional Information: | 10th Kuala Lumpur International Agricultural, Forestry and Plantation Conference 2021 |
| AGROVOC Term: | lettuces |
| AGROVOC Term: | environmental control |
| AGROVOC Term: | light stimuli |
| AGROVOC Term: | phytochemistry |
| AGROVOC Term: | intensive farming |
| AGROVOC Term: | postharvest technology |
| AGROVOC Term: | experimentation |
| AGROVOC Term: | production increase |
| Geographical Term: | Malaysia |
| Depositing User: | Mr. Khoirul Asrimi Md Nor |
| Date Deposited: | 04 Mar 2026 03:37 |
| Last Modified: | 04 Mar 2026 03:37 |
| URI: | http://webagris.upm.edu.my/id/eprint/3524 |
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