Department of Biology, University of South Florida, Tampa, Florida 33620.
Plant Physiol. 1985 Apr;77(4):903-8. doi: 10.1104/pp.77.4.903.
The quantitative distribution of the flavanone-7-neohesperidoside, naringin, in seeds, seedlings, young plants, branches, flowers, and fruit of Citrus paradisi Macfad., cv ;Duncan' was analyzed by radioimmunoassay. High levels of naringin were associated with very young tissue and lower levels were found in older tissues. Seed coats of ungerminated seeds and young shoots had high naringin concentrations whereas cotyledons and roots had very low concentrations. Light-grown seedlings contained nearly twice as much naringin as etiolated seedlings and, in young plants and branches, the naringin content was highest in developing leaves and stem tissue. In flowers, the ovary had the highest levels of naringin, accounting for nearly 11% of the fresh weight. There was a net increase in the total naringin content of fruits during growth. However, due to the large increase in fruit size, there was a concomitant decrease in the naringin concentration as the fruit matured.
采用放射免疫分析法分析了甜橙品种‘邓肯’种子、幼苗、幼树、树枝、花和果实中黄烷酮-7-新橙皮苷、柚皮苷的定量分布。柚皮苷含量与非常年轻的组织相关，而在较老的组织中含量较低。未发芽种子的种皮和嫩枝具有高浓度的柚皮苷，而子叶和根的浓度非常低。光照培养的幼苗比黄化幼苗含有近两倍的柚皮苷，在幼树和树枝中，发育中的叶片和茎组织的柚皮苷含量最高。在花中，子房的柚皮苷含量最高，占鲜重的近 11%。在果实生长过程中，总柚皮苷含量呈净增加。然而，由于果实体积的大幅增加，柚皮苷浓度随着果实成熟而相应降低。
