Dipartimento di Scienze degli Alimenti, Università di Bologna, Piazza Goidanich 60, 47521 Cesena (FC), Italy.
J Agric Food Chem. 2012 May 9;60(18):4620-7. doi: 10.1021/jf3002125. Epub 2012 Apr 26.
Quinoa is a pseudocereal from South America that has received increased interest around the world because it is a good source of different nutrients and rich in antioxidant compounds. Thus, this study has focused on the effects of different agronomic variables, such as irrigation and salinity, on the phenolic and saponin profiles of quinoa. It was observed that irrigation with 25% of full water restitution, with and without the addition of salt, was associated with increases in free phenolic compounds of 23.16 and 26.27%, respectively. In contrast, bound phenolic compounds were not affected by environmental stresses. Saponins decreased if samples were exposed to drought and saline regimens. In situations of severe water deficit, the saponins content decreased 45%, and 50% when a salt stress was added. The results suggest that irrigation and salinity may regulate the production of bioactive compounds in quinoa, influencing its nutritional and industrial values.
藜麦是一种来自南美洲的伪谷物，由于其是多种营养物质的良好来源，并且富含抗氧化化合物，因此在全球范围内受到了更多关注。因此，本研究集中于研究不同农业变量（例如灌溉和盐度）对藜麦中酚类和皂苷类物质的影响。结果表明，用 25%的全量水进行灌溉，并添加或不添加盐，分别与游离酚类化合物增加 23.16%和 26.27%有关。相比之下，环境胁迫对结合酚类化合物没有影响。如果样品暴露于干旱和盐胁迫条件下，皂苷含量会下降。在严重缺水的情况下，添加盐胁迫会使皂苷含量分别下降 45%和 50%。结果表明，灌溉和盐度可能会调节藜麦中生物活性化合物的产生，从而影响其营养价值和工业价值。
