子莲新品种‘武植子莲1号’和‘武植子莲2号’产量与营养品质分析

doi:10.11913/PSJ.2095-0837.2019.50644

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摘要

对子莲（Nelumbo nucifera Gaertn.）新品种‘武植子莲1号’和‘武植子莲2号’与其他12个主栽子莲品种的莲子产量和品质性状进行分析，并通过隶属函数分析法对他们的营养品质性状进行综合评价。结果显示：不同子莲品种的产量和营养品质性状差异显著，同一品种在不同发育时期莲子的可溶性糖和淀粉含量等营养指标差异较大；鲜莲子的可溶性糖含量显著高于成熟莲子，而蛋白质和淀粉含量显著低于成熟莲子。与12个主栽子莲品种相比，‘武植子莲1号’在产量上较为突出，成熟莲子的淀粉含量达52.15%，是生产天然淀粉的优良品种；‘武植子莲2号’鲜莲子的直链淀粉和支链淀粉含量低，可溶性糖含量达23.43%，适合鲜食。隶属函数分析结果表明，‘武植子莲1号’和‘武植子莲2号’的综合营养品质较好，具有很高的应用价值。

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	胡裕凤
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关键词 ：莲子, 产量, 营养品质, 隶属函数分析

Abstract：

To evaluate the application potential of two new seed lotus(Nelumbo nucifera Gaertn.) cultivars (‘WBG_S1’ and ‘WBG_S2’), their seed yield and nutritional traits were compared with those of 12 main cultivated varieties. The nutritional trait indexes of different cultivars were subsequently evaluated by membership-function analysis. Results showed significant differences in seed yield and nutritional quality. There were significant differences in soluble sugar and starch content at different developmental stages in a single cultivar. Compared with the mature seeds, fresh seeds had significantly higher soluble sugar content but significantly lower protein and starch content (P<0.05). Generally, compared to the 12 main cultivated varieties, ‘WBG_S1’ and ‘WBG_S2’ had better yield and nutritional qualities. ‘WBG_S1’ exhibited high yield and high starch content in the mature seeds, reaching up to 52.15%. Thus, it is a good cultivar for producing natural starch products. ‘WBG_S2’ had low amylose and amylopectin content, but high soluble sugar content of up to 23.43% in fresh seeds. Thus, its seeds are suitable for fresh eating. In this study, membership-function analysis was used for the first time to evaluate the nutritional traits of lotus seeds and provides a scientific basis for the validation of lotus seed quality. This study also provides theoretical evidence for the application of the two new cultivars ‘WBG_S1’ and ‘WBG_S2’.

Key words： Seeds of Nelumbo nucifera Yield Nutritional traits Membership-Function analysis

收稿日期: 2019-02-21

ZTFLH:

Q945.1

基金资助:

中国科学院武汉植物园科研骨干人才计划（Y655271Z01）；中国科学院青年创新促进会项目（2017390）；国家自然科学基金项目（31872136）。

通讯作者: 杨东 E-mail: yangdong@wbgcas.cn

作者简介: 胡裕凤(1994-),女,硕士研究生,研究方向为植物学(E-mail:huyufeng16@mails.ucas.ac.cn)。

引用本文:

胡裕凤, 杨美, 刘艳玲, 邓显豹, 徐立铭, 杨东. 子莲新品种‘武植子莲1号’和‘武植子莲2号’产量与营养品质分析[J]. 植物科学学报, 2019, 37(5): 644-652. Hu Yu-Feng, Yang Mei, Liu Yan-Ling, Deng Xian-Bao, Xu Li-Ming, Yang Dong. Analysis and assessment of yield and nutritional quality of two new seed lotus (Nelumbo nucifera) cultivars ‘WBG_S1’ and ‘WBG_S2’. Plant Science Journal, 2019, 37(5): 644-652.

链接本文:

http://www.plantscience.cn/CN/10.11913/PSJ.2095-0837.2019.50644 或 http://www.plantscience.cn/CN/Y2019/V37/I5/644

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