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http://dx.doi.org/10.7732/kjpr.2020.33.5.436

Variety, Cutting Date and Physiological Functionality for Production of Leaves in Goji Berry (Lycium chinense Mill.)  

Ju, Jung-Il (Goji Berry Research Institute, Chungnam-Do ARES)
Paik, Seung-Woo (Goji Berry Research Institute, Chungnam-Do ARES)
Yun, Tug-Sang (Goji Berry Research Institute, Chungnam-Do ARES)
Park, Young-Chun (Goji Berry Research Institute, Chungnam-Do ARES)
Lee, Bo-Hee (Goji Berry Research Institute, Chungnam-Do ARES)
Son, Seung Wan (Goji Berry Research Institute, Chungnam-Do ARES)
Publication Information
Korean Journal of Plant Resources / v.33, no.5, 2020 , pp. 436-445 More about this Journal
Abstract
Goji berry (Lycium chinense Mill.) is one of medicinal plants. Its leaves has been used to manufacture the functional foods by replacing the dried-fruit because of low production costs. In order to produce the leaves of uniform quality, continuous selection and the establishment of cultivation techniques were required. Among the eleven recommended cultivars, 'Myeongan' showed high yielding and rapid regeneration after cutting. The dried-leaf yield was linearly increased from 106 kg/10a on May 16 to 287 kg/10a on June 20. An appropriate cutting date and cutting length (about 60-70 cm) was important factors for its efficient regeneration. The late cutting times were not suitable due to difficulties during plant harvesting because of stem rigidity and thorn generation. The betaine content of leaves ranged from 1.43 ~ 2.63% and significantly affected by the varieties and the cutting dates. The main physiological functionality of leaf was Angiotesin-1-converting enzyme (ACE) inhibitory activity, representing the anti-hypertensive. The other physiological functionalities, XOD inhibitory activity, antioxidant activity, tyrosinase inhibitory activity, SOD-like activity, α-glucosidase inhibitory activity and fibrinolytic activity, were not detected or less than 20%.
Keywords
Cutting date; Goji berry; Leaf production; Lycium chinense;
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Times Cited By KSCI : 14  (Citation Analysis)
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