Peningkatan Kualitas Nutrisi Microgreen Brokoli dengan Lampu LED Multispektrum
Improving the Nutritional Quality of Broccoli Microgreen using Multispectrum LED Light
DOI:
https://doi.org/10.30605/7ygrnt11Keywords:
Lampu LED, microgreen brokoli, pertumbuhan, polifenolAbstract
Kualitas cahaya merupakan salah satu faktor yang berperan penting dalam produksi microgreen di lingkungan terkendali. Lampu LED banyak dimanfaatkan karena menghasilkan spektrum cahaya yang dapat diatur sesuai kebutuhan tanaman dengan efisiensi energi tinggi dan emisi panas yang rendah. Penelitian ini bertujuan untuk mengetahui pengaruh perbedaan spektrum cahaya antara lampu LED putih dan lampu LED multispektrum terhadap pertumbuhan, kandungan polifenol, dan aktivitas antioksidan microgreen brokoli. Penelitian ini menggunakan Rancangan Acak Lengkap dengan perlakuan perbedaan spektrum cahaya LED yaitu LED putih dan LED multispektrum pada budidaya microgreen brokoli. Parameter yang diamati meliputi tinggi dan bobot segar tanaman, kandungan polifenol, dan aktivitas antioksidan. Data dianalisis menggunakan uji t pada taraf nyata 5%. Hasil penelitian menunjukkan bahwa jenis lampu LED tidak berpengaruh nyata terhadap tinggi tanaman dan bobot segar microgreen brokoli. Sebaliknya, penggunaan lampu LED multispektrum menghasilkan kandungan polifenol yang lebih tinggi dan aktivitas antioksidan yang lebih kuat, sebagaimana yang ditunjukkan oleh nilai IC50 yang lebih rendah. Kandungan polifenol juga menunjukkan korelasi positif yang kuat dengan aktivitas antioksidan. Hasil penelitian ini mendukung penggunaan lampu LED multispektrum dalam budidaya microgreen brokoli di lingkungan terkendali untuk menghasilkan produk dengan kualitas fungsional yang lebih baik. Temuan ini dapat dimanfaatkan sebagai dasar dalam pengembangan sistem produksi microgreeen berkualitas tinggi, khsusunya untuk memenuhi kebutuhan pangan fungsional yang kaya senyawa bioaktif dan memiliki aktivitas antioksidan tinggi.
Light quality is one of the key factors influencing microgreen production in controlled environments. LED lamps are widely used because they generate a light spectrum that can be adjusted according to plant needs, with high energy efficiency and low heat emission. This study aims to determine the effect of different light spectra between white LED and multispectral LED on the growth, polyphenol content, and antioxidant activity of broccoli microgreens. The study employed a Completely Randomised Design with treatments consisting of different LED light spectra, namely white LED and multispectral LED, in broccoli microgreen cultivation. Observed parameters included plant height and fresh weight, polyphenol content, and antioxidant activity. Data were analysed using a t-test at 5% significance level. The results showed that the type of LED light had no significant effect on the plant height or fresh weight of broccoli microgreen. Conversely, the use of multispectral LED lights yielded higher polyphenol content and stronger antioxidant activity, as evidenced by the lower IC50 values. Polyphenol content also shows a strong positive correlation with antioxidant activity. The results of this study support the use of multispectral LED light for cultivating broccoli microgreens in controlled environments to produce product with improved functional quality. These findings can serve as a basis for developing high quality microgreen production systems, particularly to meet the demand for functional foods rich in bioactive compounds and high in antioxidant activity.
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