不同林齡對厚樸人工林生長及厚樸酚與和厚樸酚含量的影響

蘇孫卿

摘要［目的］探究不同林齡厚樸生長和有效成分含量變化特征，為厚樸人工林科學(xué)合理利用提供理論依據(jù)。［方法］以不同林齡厚樸人工林為研究對象，研究不同林齡對厚樸生長、生物量以及不同器官皮中有效成分含量的影響。［結(jié)果］不同林齡厚樸胸徑、樹高、各器官生物量以及各器官皮生物量大小均表現(xiàn)為15年＞13年＞11年。同一林齡地上部各器官生物量大小均表現(xiàn)為樹干＞樹枝＞樹葉，而各徑級根生物量大小表現(xiàn)為中根＞大根＞小根＞細(xì)根。同一林齡地上部各器官皮生物量大小表現(xiàn)為干皮＞枝皮，各徑級根皮生物量大小表現(xiàn)為中根皮＞大根皮＞小根皮。隨著林齡的增加，干皮和枝皮中的厚樸酚表現(xiàn)出先升后降的趨勢，而和厚樸酚則表現(xiàn)出逐漸增加趨勢，根皮中厚樸酚與和厚樸酚含量則隨林齡增大顯著增加，且同一林齡中根皮中的厚樸酚與和厚樸酚含量顯著高于干皮和枝皮。［結(jié)論］綜合各指標(biāo)，當(dāng)厚樸培育13年后即可進行采伐利用，且應(yīng)加強對厚樸根的合理利用。

關(guān)鍵詞厚樸；厚樸酚；和厚樸酚；高效液相色譜

中圖分類號S753文獻標(biāo)識碼A

文章編號0517-6611（2023）08-0113-04

doi：10.3969/j.issn.0517-6611.2023.08.026開放科學(xué)（資源服務(wù)）標(biāo)識碼（OSID）：

Effects of Different Stand Ages on the Growth and the Contents of Magnolol and Honokiol in Plants of Magnolia officinalis

SU Sun-qing（Youxi State-owned Forest Farm of Fujian Province，Youxi，F(xiàn)ujian 365100）

Abstract［Objective］To investigate the responses of growth and active components content of Magnolia officinalis to different tree ages，and provide theoretical basis for scientific and rational utilization of M.officinalis plantation.［Method］The effects of different ages on the growth，biomass and the content of active components in different organ barks of M.officinalis were studied by using different age plantations of M.officinalis.［Result］The results showed that the diameter at breast height，tree height，the biomass of each organ and its bark of M.officinalis among different ages all displayed 15 a＞13 a＞11 a tendency.The order of aboveground organs biomass in the same age was trunk > branch > leaf，while the order of root biomass in the same age showed middle root > large root > small root > fine root.In the same age，the bark biomass of? aboveground organ order was trunk bark > branch bark，and the bark biomass of the root showed middle root bark > large root bark > small root bark.With the increase of tree age，magnolol content in trunk and branch bark displayed first increased then decreased tendency，while magnolol content increased gradually.The contents of magnolol and honokiol in root bark increased significantly with the increase of tree age，and their contents in root bark were significantly higher than those in trunk and branch bark in the same stand age.［Conclusion］Taken together，M.officinalis could be cut and utilized after 13 years of cultivation，and the rational utilization of M.officinalis root should be strengthened.

Key wordsMagnolia officinalis;Magnolol;Honokiol;High performance liquid chromatography

厚樸（Magnolia officinalis）為木蘭科落葉喬木，樹干通直，是一種珍貴的藥用樹種，其干皮、枝皮和根皮均可入藥，具有較高的藥用和經(jīng)濟價值，在四川、云南、浙江和福建等地均有分布［1-2］。研究表明，厚樸皮中含有多種生物活性成分，其中厚樸酚與和厚樸酚被認(rèn)為是厚樸藥材中重要的藥用成分［3］，它們不但具有抗菌、消炎和降低膽固醇等功效［4-5］，還在抗氧化、抗衰老以及保肝護肝等方面具有很好的療效［4，6-8］?！?br>