HUBEI AGRICULTURAL SCIENCES ›› 2024, Vol. 63 ›› Issue (4): 158-162.doi: 10.14088/j.cnki.issn0439-8114.2024.04.029

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Comparison of nutritional organs medicinal components of Alpinia katsumadae Hayata under two planting models

LUO Dun1, WU Tong2, LU Su-jun1, YU Feng-qiang1, LI Ting-yan2, YANG Mei2, CHEN Zhen-sheng1   

  1. 1. Guangxi State-owned Bobai Forest Farm, Yulin 537617, Guangxi,China;
    2. College of Forestry, Guangxi University, Nanning 530004, China
  • Received:2022-12-11 Online:2024-04-25 Published:2024-05-07

Abstract: Using Alpinia katsumadae Hayata from Eucalyptus forest intercropping and Alpinia katsumadae Hayata from natural growth as research objects, the total flavonoid, polysaccharide, total phenolic, total saponin content and drying rate of Alpinia katsumadae Hayata nutritional organs (roots, stems, leaves) were determined. The results showed that the whole plant drying rate of Alpinia katsumadae Hayata with natural growth was 1.11 times that of Eucalyptus forest intercropping;the total flavonoid content of Alpinia katsumadae Hayata was 10.27~32.13 mg/g, among which Eucalyptus forest intercropping had the highest total flavonoid content in the leaves of Alpinia katsumadae Hayata, reaching 32.13 mg/g;the polysaccharide content of Alpinia katsumadae Hayata was 21.50~37.28 mg/g. Under natural growth conditions, the total polysaccharide content of Alpinia katsumadae Hayata was 1.15 times that of Eucalyptus forest intercropping;the total phenolic content of Alpinia katsumadae Hayata under the condition of Eucalyptus forest intercropping was 2.10 times that of Alpinia katsumadae Hayata under the condition of natural growth;the total saponin content of Alpinia katsumadae Hayata under the condition of Eucalyptus forest intercropping was 1.25 times that of Alpinia katsumadae Hayata under the condition of natural growth;according to principal component analysis, under the condition of Eucalyptus forest intercropping, the comprehensive score and ranking of the nutritional organs of Alpinia Katsumadae Hayata were higher than those of natural growth. In summary, the medicinal component content of the nutritional organs of Alpinia katsumadae Hayata was at a high level under both planting modes, and the Eucalyptus forest intercropping condition was more conducive to the accumulation of effective ingredients of Alpinia katsumadae Hayata.

Key words: Alpinia katsumadae Hayata, Eucalyptus spp. forest, medicinal components, nutritional organs

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