The phenolic constituents of Prunus domestica. II. The analysis of tissues of the Victoria plum tree.
The phenolic constituents of Prunus domestica. II. The analysis of tissues of the Victoria plum tree.
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DOI：
10.1002/jsfa.2740100211
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发表时间：
1959-01-01
影响因子：
4.1
通讯作者：
Swain, T.
中科院分区：
文献类型：
--
作者：
Hillis, W. E.;Swain, T.
维多利亚李树的组织进行了分析，总酚，无色花青素和黄烷醇在生长季节的间隔。在所有的时间，甲醇提取物从较小的叶子含有少量的酚类成分，虽然变化的幅度大于那些在较大的叶子。较小叶片中的白花青苷和黄烷醇类化合物占总酚的比例较小。三种酚类物质的含量迅速增加，直到叶片达到最大尺寸，然后下降。从树的背阴侧取的叶子含有较少的酚类成分和较低比例的无色花青素。对遮荫叶片的分析表明，光照对白花青苷的合成和代谢有一定的影响。不健康树的叶子含有少量的酚类成分，并且无色花色素苷是一个小得多的部分。李果实中酚类物质含量随果实生长而增加，果皮中的无色花色素苷含量随果实变红而减少。木质组织中酚类成分的含量变化远小于叶片，外树皮、韧皮部和形成层中酚类成分的含量高于外边材、内边材和心材。[作者摘要]关于第一部分，见H. A.，29：1176 p.]-的低温Res. Stat.，剑桥。
The tissues of the Victoria plum tree were analysed for total phenols, leuco-anthocyanins and flavanols at intervals during the growing season. At all times, the methanol extracts from the smaller leaves contained smaller amounts of phenolic constituents, although the changes paralleled those in the larger leaves. The proportions of leucoanthocyanins and flavanols to total phenols were less in the smaller leaves. The amounts of the three phenolic constituents increased rapidly until the leaves reached maximum size and then decreased. Leaves taken from the shady side of the tree contained less phenolic constituents and a lower proportion of leuco-anthocyanins. The analysis of shaded leaves suggested that the synthesis and metabolism of leuco-anthocyanins were influenced by light. Leaves from unhealthy trees contained smaller amounts of phenolic constituents and the leuco- anthocyanins were a much smaller fraction. The amount of the phenols in a plum fruit increased with its growth and the leuco-anthocyanins in the skin decreased when it reddened. The phenolic constituents in the woody tissues showed a much smaller variation than the leaves, and the outer bark, phloem and cambium contained more of them than the outer and inner sapwoods and the heartwood. [Authors' abstract. For part I, see H.A., 29: 1176p.]-Low Temp. Res. Stat., Cambridge.