PMID- 28533813 OWN - NLM STAT- PubMed-not-MEDLINE LR - 20200930 IS - 1749-8546 (Print) IS - 1749-8546 (Electronic) IS - 1749-8546 (Linking) VI - 12 DP - 2017 TI - Rapid identification of growth years and profiling of bioactive ingredients in Astragalus membranaceus var. mongholicus (Huangqi) roots from Hunyuan, Shanxi. PG - 14 LID - 10.1186/s13020-017-0135-z [doi] LID - 14 AB - BACKGROUND: The content of medicinal bioactive constituents in huangqi is affected by plant age. In this study, we devised a quick and convenient method for determining the age of huangqi, which was cultivated in Hunyuan County (Shanxi Province). METHODS: 1, 2, 3, 4, 5, 8, 10 growth years huangqi had 38 samples, all samples were collected separately. The growth rings in these samples were observed after making paraffin section and freehand-section. The relationship between growth rings and its growth years was analyzed by SPSS 19.0 software. Histochemical localization of total flavones and saponins in huangqi was determined by color reactions. The concentration of four flavonoids and two saponins in the roots of huangqi of different ages and different organizational structure (normal roots and rotten heart roots) were determined by HPLC-DAD and HPLC-ELSD. The results were analyzed by SPSS 19.0 software. RESULTS: All huangqi samples had clear growth rings, and the statistical result about growth rings (X) and growth years (Y) showed significant correlation (r = 1, P = 0.000). The calibration curves of these six ingredients showed good linearity respectively, with significant correlation. All relative standard deviations (RSDs) of precision, recovery, repeatability, and stability experiments were less than 2%. Roots of 5-year-old plants contained the highest concentrations of total flavonoids and saponins. Saponin concentrations increased toward the center of the roots, whereas the four flavonoids showed an opposite trend in tissue distribution. CONCLUSION: The growth year of huangqi (Hunyuan County, Shanxi Province) could be determined soon and conveniently by naked eyes after staining phloroglucinol-HCl solution on freehand section. The content of saponins and flavonoids in rotten heart root and the surrounding normal tissues were affected by the formation and the extent of rotten heart. FAU - Peng, Hua-Sheng AU - Peng HS AD - School of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230031 China. ISNI: 0000 0004 1757 8247. GRID: grid.252251.3 AD - State Key Laboratory Breeding Base of Dao-di Herbs, China Academy of Chinese Medical Sciences, Beijing, 100700 China. ISNI: 0000 0004 0632 3409. GRID: grid.410318.f FAU - Wang, Jun AU - Wang J AD - School of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230031 China. ISNI: 0000 0004 1757 8247. GRID: grid.252251.3 AD - School of Pharmacy, Bozhou Vocational and Technical College, Bozhou, 236800 China. FAU - Zhang, He-Ting AU - Zhang HT AD - School of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230031 China. ISNI: 0000 0004 1757 8247. GRID: grid.252251.3 FAU - Duan, Hai-Yan AU - Duan HY AD - School of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230031 China. ISNI: 0000 0004 1757 8247. GRID: grid.252251.3 FAU - Xie, Xiao-Mei AU - Xie XM AD - School of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230031 China. ISNI: 0000 0004 1757 8247. GRID: grid.252251.3 FAU - Zhang, Ling AU - Zhang L AD - School of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230031 China. ISNI: 0000 0004 1757 8247. GRID: grid.252251.3 FAU - Cheng, Ming-En AU - Cheng ME AD - School of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230031 China. ISNI: 0000 0004 1757 8247. GRID: grid.252251.3 AD - Institute of TCM Resources Protection and Development, Anhui Academy of Chinese Medicine, Hefei, 230031 People's Republic of China. FAU - Peng, Dai-Yin AU - Peng DY AD - School of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230031 China. ISNI: 0000 0004 1757 8247. GRID: grid.252251.3 AD - Institute of TCM Resources Protection and Development, Anhui Academy of Chinese Medicine, Hefei, 230031 People's Republic of China. LA - eng PT - Journal Article DEP - 20170519 PL - England TA - Chin Med JT - Chinese medicine JID - 101265109 PMC - PMC5438511 OTO - NOTNLM OT - Concentration OT - Freehand section OT - Growth rings OT - Histochemical localization OT - Rotten heart EDAT- 2017/05/24 06:00 MHDA- 2017/05/24 06:01 PMCR- 2017/05/19 CRDT- 2017/05/24 06:00 PHST- 2014/11/11 00:00 [received] PHST- 2017/05/15 00:00 [accepted] PHST- 2017/05/24 06:00 [entrez] PHST- 2017/05/24 06:00 [pubmed] PHST- 2017/05/24 06:01 [medline] PHST- 2017/05/19 00:00 [pmc-release] AID - 135 [pii] AID - 10.1186/s13020-017-0135-z [doi] PST - epublish SO - Chin Med. 2017 May 19;12:14. doi: 10.1186/s13020-017-0135-z. eCollection 2017.