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首页> 外文期刊>Journal of Food Composition and Analysis >Glycoalkaloids in potatoes: Content of glycoalkaloids in potatoes for consumption.
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Glycoalkaloids in potatoes: Content of glycoalkaloids in potatoes for consumption.

机译：马铃薯中的生物碱：马铃薯中所含的生物碱含量。

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摘要

Potatoes contain glycoalkaloids in varying levels depending upon variety, treatment and so on. Glycoalkaloids are potentially toxic at the natural levels in potatoes, and Nordic assessments recommend that the safety levels of total glycoalkaloids (TGA) in new potato varieties should not exceed 100mg/kg. Thus the aim of this study was to make a survey of the distribution and contents of TGA in potatoes on the Danish market, including many different and relevant varieties during a 6-year period. A total of 386 samples of potato tubers were analysed for alpha-solanine and alpha-chaconine by extraction with acetic acid and determination by RP-HPLC with UV-detection at 202nm. The results not only confirmed that contents above 100mg TGA/kg in potato tubers frequently occurred in some years, but also showed the possibility of finding lower contents in the same varieties other years. This led to the cautious conclusion that by careful selection of varieties and environmental conditions, generally providing consumers with potatoes containing less than 100mgTGA/kg would be possible
机译：马铃薯中的生物碱含量不同，取决于品种，处理方式等。糖类生物碱在马铃薯的天然水平上可能具有毒性，北欧评估建议，新马铃薯品种中总糖类生物碱（TGA）的安全性水平不应超过100mg / kg。因此，本研究的目的是对丹麦市场上马铃薯中TGA的分布和含量进行调查，包括在6年中的许多不同和相关品种。总共386个马铃薯块茎样品通过乙酸萃取并通过RP-HPLC和202nm紫外检测来分析α-茄碱和α-查茄碱的含量。结果不仅证实了马铃薯块茎中高于100mg TGA / kg的含量在某些年份中频繁发生，而且还表明在其他年份中相同品种中发现较低含量的可能性。因此得出谨慎的结论，即通过仔细选择品种和环境条件，通常可以为消费者提供低于100mgTGA / kg的马铃薯。

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