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A novel study approach on Scutellaria altissima L. cultivated at the Ghirardi Botanic Garden (Lombardy, Italy).
Plant Biology ( IF 3.9 ) Pub Date : 2020-08-09 , DOI: 10.1111/plb.13166
C Giuliani 1, 2 , M Bottoni 1, 2 , R Ascrizzi 3 , L Santagostini 4 , A Papini 5 , G Flamini 3 , G Fico 1, 2
Affiliation  

  • Within an Open Science project, research was carried out to describe to the public of the Ghirardi Botanic Garden (BS, Lombardy, Italy) the invisible features of plants. This work is dedicated to Scutellaria altissima L. (Lamiaceae).
  • Micromorphological, histochemical and phytochemical investigations were conducted on the vegetative and reproductive organs to correlate the structures involved in the emission of substances and their unique productivity. This work reports volatile organic compound (VOC) profiles of leaves and flowers and the composition of essential oil (EO) obtained from aerial parts of plants cultivated in Italy that have never been described before.
  • Three morphotypes of glandular trichomes were observed: peltate, short‐stalked capitate and long‐stalked capitate. Peltate trichomes were the main producers of terpenes, short‐stalked capitates of polysaccharides and long‐stalked capitates of terpenes and polyphenols. The leaf VOC profile showed heterogeneous composition, with non‐terpene derivatives as the major chemical class (71.04%), while monoterpene hydrocarbons represented almost the totality of the flower (99.73%). The leaf presented a higher number of total (37 versus 11) and exclusive (33 versus 7) compounds. (Z)‐3‐Hexenol acetate was most abundant in the leaf and (E)‐β‐ocimene in the flower. Four common compounds were detected: β‐pinene, β‐caryophyllene, γ‐muurolene and germacrene‐D. The EO contaied 21 compounds, dominated by β‐caryophyllene, linalool and hexahydrofarnesyl acetone.
  • This research allowed us to correlate morphotypes of the secretory structures with the production of secondary metabolites, with the aim of providing the public of the Ghirardi Botanic Garden with a dedicated iconographic approach, which accounts for olfactory perception linked to S. altissima.


中文翻译:

在Ghirardi植物园(意大利伦巴第)种植的黄S的一种新颖研究方法。

  • 在一个开放科学项目中,进行了研究,以向Ghirardi植物园(BS,意大利伦巴第,意大利)的公众描述植物的无形特征。这项工作致力于黄cutaltissima L.(唇形科)。
  • 对营养和生殖器官进行了微观形态学,组织化学和植物化学研究,以将参与物质排放的结构与其独特的生产力联系起来。这项工作报告了叶子和花朵的挥发性有机化合物(VOC)概况以及从意大利种植的植物的空中部分获得的精油(EO)的组成,之前从未进行过描述。
  • 观察到了腺毛的三种形态型:状,短柄头目和长柄头目。Peltate trichomes是萜烯,多糖的短梗头和萜烯和多酚的长梗头的主要生产者。叶片的挥发性有机化合物特征不均一,其中非萜烯衍生物为主要化学类别(71.04%),而单萜碳氢化合物几乎占花朵总数(99.73%)。叶呈现出更高数量的总化合物(3711)和排他化合物(337)。(Ž)-3-己烯醇乙酸酯是最丰富的叶和(Ë)-花中的β-ocimene。检测到四种常见化合物:β-pine烯,β-石竹烯,γ-茂丁烯和胚芽烯-D。EO含有21种化合物,其中以β-石竹烯,芳樟醇和六氢法呢基丙酮为主。
  • 这项研究使我们能够将分泌结构的形态型与次生代谢产物的产生相关联,目的是为吉拉尔第植物园的公众提供专门的图像方法,以解释与链球菌相关的嗅觉。
更新日期:2020-08-09
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