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Variability in Foliar Ellagitannins of Hippophaë rhamnoides L. and Identification of a New Ellagitannin, Hippophaenin C
Journal of Agricultural and Food Chemistry ( IF 5.7 ) Pub Date : 2018-01-11 00:00:00 , DOI: 10.1021/acs.jafc.7b04834 Jussi Suvanto 1 , Petri Tähtinen 1 , Saku Valkamaa 1 , Marica T. Engström 1 , Maarit Karonen 1 , Juha-Pekka Salminen 1
Journal of Agricultural and Food Chemistry ( IF 5.7 ) Pub Date : 2018-01-11 00:00:00 , DOI: 10.1021/acs.jafc.7b04834 Jussi Suvanto 1 , Petri Tähtinen 1 , Saku Valkamaa 1 , Marica T. Engström 1 , Maarit Karonen 1 , Juha-Pekka Salminen 1
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Berries of common sea-buckthorn (Hippophaë rhamnoides L.) are well-known and used for their bioactive components, and while there is a considerable amount of research on the leaves as well, their ellagitannins (ETs) have not been a prominent focus of research. We identified and quantified ten major hydrophilic polyphenols, all ETs, in H. rhamnoides leaves and compared their abundance between 58 plant individuals. Of these compounds, hippophaenin C was characterized as a new ellagitannin by various spectrometric methods. The total concentrations of ETs ranged from 42.5 mg g–1 dry weight (DW) to 109.1 mg g–1 DW between individual plants. Among the ETs, hippophaenin C, stachyurin, and casuarinin were on average the most abundant compounds. Sexes did not differ significantly, while cultivars showed variation in some ETs. These results suggest that H. rhamnoides leaves could be a potential and rich source of several ETs.
中文翻译：
沙棘叶中鞣花单宁的变化及新鞣花单宁C的鉴定
常见的沙棘浆果（Hippophaërhamnoides L.）众所周知，并用作其生物活性成分，尽管对叶子也有大量研究，但它们的鞣花单宁（ET）并不是人们关注的重点。研究。我们在鼠李糖的叶子中鉴定并定量了十种主要的亲水性多酚（所有ET），并比较了58种植物个体之间的丰富度。在这些化合物中，通过多种分光光度法将河马蛋白C表征为新的鞣花单宁。ET的总浓度范围从42.5 mg g –1干重（DW）到109.1 mg g –1各个工厂之间的DW。在这些ET中，平均而言，河马蛋白C，stachyurin和casuarinin是最丰富的化合物。性别没有显着差异，而某些品种的ET表现出差异。这些结果表明，鼠李糖腐叶可能是几种ET的潜在和丰富来源。
更新日期：2018-01-11
中文翻译：
沙棘叶中鞣花单宁的变化及新鞣花单宁C的鉴定
常见的沙棘浆果（Hippophaërhamnoides L.）众所周知，并用作其生物活性成分，尽管对叶子也有大量研究，但它们的鞣花单宁（ET）并不是人们关注的重点。研究。我们在鼠李糖的叶子中鉴定并定量了十种主要的亲水性多酚（所有ET），并比较了58种植物个体之间的丰富度。在这些化合物中，通过多种分光光度法将河马蛋白C表征为新的鞣花单宁。ET的总浓度范围从42.5 mg g –1干重（DW）到109.1 mg g –1各个工厂之间的DW。在这些ET中，平均而言，河马蛋白C，stachyurin和casuarinin是最丰富的化合物。性别没有显着差异，而某些品种的ET表现出差异。这些结果表明，鼠李糖腐叶可能是几种ET的潜在和丰富来源。
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