plants Article LED Lights Affecting Morphogenesis and Isosteroidal Alkaloid Contents in Fritillaria cirrhosa D. Don—An Important Chinese Medicinal Herb Chia-Chen Chen 1, Maw-Rong Lee 2, Chi-Rei Wu 1 , Hsin-Ju Ke 2, Hui-Min Xie 3, Hsin-Sheng Tsay 4, Dinesh Chandra Agrawal 4,* and Hung-Chi Chang 5,* 1 Department of Chinese Pharmaceutical Sciences and Chinese Medicine Resources, China Medical University, Taichung 40402, Taiwan;
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[email protected] (H.-C.C.); Tel.: +886-4-23323000 (ext. 4238) (D.C.A.); +886-4-23323000 (ext. 5345) (H.-C.C.) Received: 12 August 2020; Accepted: 7 October 2020; Published: 13 October 2020 Abstract: Investigations were carried out to study the effects of light-emitting diode (LED) lights on growth and development of isosteroidal alkaloids in embryogenic calli of Fritillaria cirrhosa D. Don, an important traditional Chinese medicine herb. Calli were cultured in glass bottles, each containing 100 mL of Murashige and Skoog’s basal medium supplemented with 2% sucrose and 0.4% gellan gum powder, a gelling agent.