Allicin and total phenolic content in ramps (Allium tricoccum Ait.) in relation to phenological stage, morphological traits, and harvest location

IF 1.4 4区生物学 Q4 BIOCHEMISTRY & MOLECULAR BIOLOGY Biochemical Systematics and Ecology Pub Date : 2024-05-10 DOI:10.1016/j.bse.2024.104846

R. Teal Jordan , Eric P. Burkhart , Margot Kaye , David Munoz , Joshua D. Lambert

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Abstract

Ramps (Allium tricoccum Ait., Alliaceae/Amaryllidaceae) are an herbaceous perennial native to the forests of central/eastern North America. Ramps are consumed for their unique onion and garlic flavor. Knowledge of ramp phytochemistry is limited. Here the influence of plant part, phenological stage, morphology, and growing location on allicin and total phenolic content (TPC) in ramps was examined. Ramps were collected from wild populations across six sites in Pennsylvania at seven developmental stages. In spring, when leaves were present, allicin levels were 5 times greater in bulbs than leaves, and TPC in leaves was 4.5 times greater than bulbs. Allicin concentration was influenced by phenology and peaked at flowering in bulbs and at peak stage in leaves. TPC in bulbs and leaves was influenced by phenology and harvest location. TPC concentration was highest in bulbs and leaves at flowering and emergence, respectively. Stem color and leaf number had no influence on the phytochemicals measured.

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坡羊(Allium tricoccum Ait.)的蒜素和总酚含量与物候期、形态特征和收获地点的关系

葱属（Allium tricoccum Ait.，Alliaceae/Amaryllidaceae）是一种多年生草本植物，原产于北美中部/东部的森林中。人们食用坡缕菜是因为其独特的洋葱和大蒜风味。人们对斜管草植物化学的了解十分有限。在此，我们研究了植物部位、物候期、形态和生长地点对坡羊蒜素和总酚含量（TPC）的影响。在宾夕法尼亚州的六个地点采集了处于七个发育阶段的野生坡羊。春季，当出现叶片时，球茎中的大蒜素含量是叶片的 5 倍，叶片中的总酚含量是球茎的 4.5 倍。大蒜素浓度受物候期的影响，鳞茎在开花时达到峰值，叶片在盛花期达到峰值。鳞茎和叶片中的 TPC 受物候期和收获地点的影响。鳞茎和叶片中的 TPC 浓度分别在开花和出苗时最高。茎的颜色和叶片数量对所测得的植物化学物质没有影响。

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来源期刊

Biochemical Systematics and Ecology 生物-进化生物学

CiteScore

3.00

自引率

12.50%

发文量

147

审稿时长

43 days

期刊介绍： Biochemical Systematics and Ecology is devoted to the publication of original papers and reviews, both submitted and invited, in two subject areas: I) the application of biochemistry to problems relating to systematic biology of organisms (biochemical systematics); II) the role of biochemistry in interactions between organisms or between an organism and its environment (biochemical ecology). In the Biochemical Systematics subject area, comparative studies of the distribution of (secondary) metabolites within a wider taxon (e.g. genus or family) are welcome. Comparative studies, encompassing multiple accessions of each of the taxa within their distribution are particularly encouraged. Welcome are also studies combining classical chemosystematic studies (such as comparative HPLC-MS or GC-MS investigations) with (macro-) molecular phylogenetic studies. Studies that involve the comparative use of compounds to help differentiate among species such as adulterants or substitutes that illustrate the applied use of chemosystematics are welcome. In contrast, studies solely employing macromolecular phylogenetic techniques (gene sequences, RAPD studies etc.) will be considered out of scope. Discouraged are manuscripts that report known or new compounds from a single source taxon without addressing a systematic hypothesis. Also considered out of scope are studies using outdated and hard to reproduce macromolecular techniques such as RAPDs in combination with standard chemosystematic techniques such as GC-FID and GC-MS.