Characterization of phenolic chemotypes, anatomy, and histochemistry of Zanthoxylum bungeanum Maxim
Characterization of phenolic chemotypes, anatomy, and histochemistry of Zanthoxylum bungeanum Maxim
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花椒酚化学型、解剖学和组织化学的表征
DOI：
10.1016/j.indcrop.2022.116149
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发表时间：
2023-03
影响因子：
5.9
通讯作者：
Dongmei Wang
中科院分区：
文献类型：
--
作者：
Jie Zhang;Li Yu;Nuan Han;Dongmei Wang
花椒属植物花椒属植物。在传统中药中很重要，是一种有价值的营养来源和调味剂。虽然花椒中含有丰富的酚类化合物，但其酚类化学类型的研究尚未见报道。本文分析了11个花椒品种生长发育过程中叶片中酚类化合物的分布、积累动力学和组织定位。共鉴定出27种酚类化合物，其中异槲皮苷、金丝桃苷、绿原酸、槲皮苷、杨梅素和阿魏酸均存在，其中以阿魏酸和槲皮苷含量最高。化学计量学分析表明，这11个品种具有4种化学类型：1)异槲皮苷，2)芦丁和金丝桃苷，3)栎皮苷，4)绿原酸和槲皮苷。探讨了花椒叶主要成分的积累动态，确定了花椒叶的最佳采收期(8月上旬)。此外，解剖和组织化学分析结果表明，酚类物质主要聚集在表皮、栅栏组织和薄壁细胞中。然而，这些结构尺寸的差异解释了酚类积累的差异，从而决定了不同的化学类型。花椒化学类型的划分和主要化学成分的积累规律，对农业资源的有效利用、品质评价、定向育种、产品综合利用和植物开发具有重要意义。
The leaves ofZanthoxylum bungeanumMaxim. are important in traditional Chinese medicine and are a valuable nutritional source and flavoring agent. Although they are rich in phenolic compounds, the characterization of phenolic chemotypes ofZanthoxylum bungeanumhas not been reported yet. Here, the profiles, accumulation kinetics, and tissue localization of phenolic compounds were analyzed in the leaves of 11 cultivars ofZanthoxylum bungeanumduring growth and development. Twenty-seven phenolic compounds were identified, among which isoquercitrin, hyperoside, chlorogenic acid, quercitrin, myricetin, and ferulic acid existed in all cultivars, with ferulic acid and quercitrin being the most abundant. Chemometric analysis showed that the 11 cultivars were characterized by four chemotypes: 1) isoquercitrin, 2) rutin and hyperoside, 3) quercitrin, and 4) chlorogenic acid and quercitrin. Additionally, the accumulation dynamics of its main components were explored and the optimal harvest period forZanthoxylum bungeanumleaves (early August) was determined. Moreover, anatomy and histochemical analysis results showed that the phenolics mainly accumulated in the epidermis, palisade tissue, and parenchyma cells. However, differences in the dimensions of these structures accounted for variations in phenolic accumulation, thus determining the different chemotypes. The classification ofZanthoxylum bungeanumchemotypes, and accumulation patterns of major chemical components, is valuable for the effective utilization of agricultural resources, quality evaluation, directional breeding, product multipurpose utilization, and development of plants.
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DOI：
10.13045/acupunct.2017083
发表时间：
2017-05
期刊：
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影响因子：
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作者：
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