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Influence of Plant Growth Retardants on Quality of Codonopsis Radix

Overview
Journal Molecules
Publisher MDPI
Specialty Biology
Date 2017 Oct 10
PMID 28991204
Citations 6
Authors
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Abstract

Plant growth retardant (PGR) refers to organics that can inhibit the cell division of plant stem tip sub-apical meristem cells or primordial meristem cell. They are widely used in the cultivation of rhizomatous functional plants; such as that is a famous Chinese traditional herb. However, it is still unclear whether PGR affects the medicinal quality of . In the present study, amino acid analyses, targeted and non-targeted analyses by ultra-performance liquid chromatography combined with time-of-flight mass spectrometry (UPLC-TOF-MS) and gas chromatography-MS were used to analyze and compare the composition of untreated and treated with PGR. The contents of two key bioactive compounds, lobetyolin and atractylenolide III, were not affected by PGR treatment. The amounts of polysaccharides and some internal volatiles were significantly decreased by PGR treatment; while the free amino acids content was generally increased. Fifteen metabolites whose abundance were affected by PGR treatment were identified by UPLC-TOF-MS. Five of the up-regulated compounds have been reported to show immune activity, which might contribute to the healing efficacy ("buqi") of . The results of this study showed that treatment of with PGR during cultivation has economic benefits and affected some main bioactive compounds in .

Citing Articles

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