[Improvement effects of quicklime and calcium magnesium phosphate fertilizer on acidified soil cultivating Codonopsis tangshen.].

To solve the problem of soil acidification in the cultivation of Codonopsis tangshen, laboratory experiments were carried out to investigate C. tangshen seed germination, seedling growth and soil exchangeable acid, microbial community structure after applying quicklime (QL) and calcium magnesium phosphate fertilizer (CMP). The results showed that QL and CMP treatments significantly improved the survival rate of C.

[Studies on the chemical constituents of Coleus forskohlii transplanted in Tongcheng and their antitumor activity].

Objective: To study the chemical constituents of Coleus forskohlii.

Methods: Isolation and purification were carried out by silica gel column chromatographic and Toyopearl HW-40F. Compounds were identified and elucidated by spectral and chemical methods.

[Pharmacognostic identification of Centipeda minima].

Objective: To conduct pharmacognostic identification of Centipeda minima.

Methods: To conduct characteristic identification, micro-identification and TLC identification of Centipeda minima.

Results: We established a systematic pharmacognostic identification method including characteristic identification, micro-identification and TLC identification.