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气味之外：关于“托达·巴勒莫塔纳”（夹竹桃科）微观形态、植物化学和生物学特征的新证据

Beyond the Scent: New Evidence about Micromorphological, Phytochemical and Biological Features of 'Tonda Palermitana' (Apocynaceae).

作者信息

Malaspina Paola, Ingegneri Mariarosaria, Betuzzi Federica, Di Gristina Emilio, Cornara Laura, Trombetta Domenico, Smeriglio Antonella

机构信息

Department of Earth, Environment and Life Sciences (DISTAV), University of Genova, Corso Europa 26, 16132 Genova, Italy.

Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno d'Alcontres 31, 98166 Messina, Italy.

出版信息

Plants (Basel). 2024 Sep 4;13(17):2479. doi: 10.3390/plants13172479.

DOI:10.3390/plants13172479
PMID:39273963
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11397171/
Abstract

L. is an ornamental Caribbean plant widely known for its ethnobotanical uses and pharmacological activities. The 'Tonda Palermitana' cultivar, on which no data are to date available, is commonly cultivated in Sicily. The aim of our study was to characterize the micro-morphological features of leaves and flowers of this cultivar by light and Scanning Electron Microscopy and to investigate the phytochemical profile and the biological properties of their food-grade extracts (LE and FE, respectively) by LC-DAD-ESI-MS analysis and different in vitro assays. Numerous branched laticifers were observed, and their secretion contained alkaloids and lipophilic compounds as confirmed by histological analyses. Phytochemical analyses showed the presence of alkaloids (9%), terpenoids (13%) and fatty acids (6%), together with a very abundant presence of iridoids (28%) and polyphenols (39%). The most notable biological activity of both extracts appears to be the antioxidant one, showing half-inhibitory concentrations (IC) about 5 times lower than those detected in anti-inflammatory assays (383.74 ± 5.65 and 232.05 ± 2.87 vs. 1981.23 ± 12.82 and 1215.13 ± 10.15, for FE and LE, respectively), with LE showing the best, and statistically significant ( < 0.001), biological activity. These results allow us to speculate promising nutraceutical and cosmeceutical applications for this old Sicilian cultivar.

摘要

L.是一种观赏性加勒比植物，因其民族植物学用途和药理活性而广为人知。“Tonda Palermitana”品种在西西里岛普遍种植，目前尚无相关数据。我们研究的目的是通过光学显微镜和扫描电子显微镜对该品种的叶片和花朵进行微观形态特征表征，并通过LC-DAD-ESI-MS分析和不同的体外试验研究其食品级提取物（分别为叶提取物和花提取物）的植物化学概况和生物学特性。观察到大量分支的乳汁管，组织学分析证实其分泌物含有生物碱和亲脂性化合物。植物化学分析表明存在生物碱（9%）、萜类化合物（13%）和脂肪酸（6%），同时还大量存在环烯醚萜（28%）和多酚（39%）。两种提取物最显著的生物活性似乎是抗氧化活性，其半抑制浓度（IC）分别比抗炎试验中检测到的浓度低约5倍（花提取物为383.74±5.65，叶提取物为232.05±2.87，而抗炎试验中分别为1981.23±12.82和1215.13±10.15），叶提取物表现出最佳且具有统计学意义（<0.001）的生物活性。这些结果使我们能够推测这种古老的西西里品种在营养保健品和化妆品方面具有广阔的应用前景。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7b79/11397171/7494421c282a/plants-13-02479-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7b79/11397171/566764794ab5/plants-13-02479-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7b79/11397171/5c6e780feedd/plants-13-02479-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7b79/11397171/e87ec60aab61/plants-13-02479-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7b79/11397171/6c8ede4bf617/plants-13-02479-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7b79/11397171/82d1af2f2a81/plants-13-02479-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7b79/11397171/98f3f6a78446/plants-13-02479-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7b79/11397171/4666c05bd4c3/plants-13-02479-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7b79/11397171/7494421c282a/plants-13-02479-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7b79/11397171/566764794ab5/plants-13-02479-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7b79/11397171/5c6e780feedd/plants-13-02479-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7b79/11397171/e87ec60aab61/plants-13-02479-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7b79/11397171/6c8ede4bf617/plants-13-02479-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7b79/11397171/82d1af2f2a81/plants-13-02479-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7b79/11397171/98f3f6a78446/plants-13-02479-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7b79/11397171/4666c05bd4c3/plants-13-02479-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7b79/11397171/7494421c282a/plants-13-02479-g008.jpg

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