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Climate Influence on Leaf Appearance and Ligustroflavone and Rhoifolin Compounds of Turpinia arguta (Lindl.) Seem. from Different Chinese Habitats

文献类型: 外文期刊

作者: Ji, Hongli 1 ; Cai, Junhuo 2 ; Chen, Chao 3 ; Song, Xiaomin 1 ; Luo, Yun 1 ; Yu, Jinbao 3 ; Zhang, Yang 4 ; Tao, Xiuhua 5 ;

作者机构: 1.Jiangxi Acad Agr Sci, Vegetable & Flower Inst, Jiangxi Key Lab Hort Crops Breeding, Nanchang 330200, Peoples R China

2.Jiangxi Agr Univ, Coll Forestry, Nanchang 330022, Peoples R China

3.Jiangxi Prov Acad Tradit Chinese Med, Key Lab Tradit Chinese Med Germplasm Select & Bree, Nanchang 330046, Peoples R China

4.Jiangxi Acad Agr Sci, Crops Res Inst, Nanchang 330200, Peoples R China

5.Jiangxi Acad Forestry, Inst Forest Med & Food, Nanchang 330032, Peoples R China

关键词: Turpinia arguta (Lindl.) seem.; ligustroflavone; rhoifolin; leaf shape and mass; climate

期刊名称:HORTICULTURAE ( 影响因子:3.0; 五年影响因子:3.2 )

ISSN:

年卷期: 2024 年 10 卷 9 期

页码:

收录情况: SCI

摘要: The dry leaf of Turpinia arguta (Lindl.) Seem. is used in traditional Chinese medicine as a quick-acting product for sore throat and pharyngitis relief. Samples of T. arguta were collected from 40 different habitats mostly located in Jiangxi Province, and leaf appearance traits and dry matter yield were analyzed. HPLC was used to quantify ligustroflavone and rhoifolin, the pharmacological-quality markers for this species, according to the 2020 Edition of Chinese Pharmacopoeia. The correlations between leaf-measurable traits, ligustroflavone and rhoifolin contents, and climate factors were subsequently assessed using Pearson's two-tailed correlation test and redundancy analysis. The highest dry matter yields were found in locations S(G-mt), Q(J-t), and A(X-t). Ligustroflavone and rhoifolin contents ranged from 0.023% to 1.336% and 0.008% to 0.962%, respectively; the highest levels of ligustroflavone and rhoifolin compounds were found in locations A(X-t) and Y(B-mt). Leaf morphology was influenced by the mean temperature of the warmest quarter, while leaf thickness was affected by the minimum temperature of the coldest month, precipitation seasonality, and solar radiation. Larger and thicker leaves predicted higher yields of ligustroflavone and rhoifolin compounds in T. arguta under Chinese southern conditions, such as those in Anyuan and Quannan counties. Our findings suggest that enhancing the mean diurnal temperature range and implementing appropriate shading during cultivation can enhance the ligustroflavone and rhoifolin compounds of T. arguta.

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