豆类种子和谷物在发芽时积累铁以获取食品强化剂的能力。
Legume seeds and cereal grains' capacity to accumulate iron while sprouting in order to obtain food fortificant.
作者信息
Zielińska-Dawidziak Magdalena, Staniek Halina, Król Ewelina, Piasecka-Kwiatkowska Dorota, Twardowski Tomasz
机构信息
Department of Food Biochemistry and Analysis, Poznań University of Life Sciences, Poland.
Department of Human Nutrition and Hygiene, Poznań University of Life Sciences, Poland.
出版信息
Acta Sci Pol Technol Aliment. 2016 Jul-Sep;15(3):333-338. doi: 10.17306/J.AFS.2016.3.32.
BACKGROUND
Prepared sprouts, after culturing in a medium with an increased iron concentration, could become a beneficial food iron fortificant. However, the efficient iron accumulation depends on the plants genus, species and/or varieties. The aim of the study was to indicate the seeds or grains which accumulate iron most efficiently during the sprouting process.
METHODS
Alfalfa, lentil, lupine and soybean seeds as well as wheat grains were sprouted in abiotic stress conditions induced by the excess of iron(II) in culture media. The tolerance of these plants to iron concentration and its accumulation in the material obtained (with FAAS method) were analyzed.
RESULTS
The smallest tolerance was noted for lentil seeds and wheat grains. Other plants developed in 25 mM solution of FeSO4. The highest accumulation of iron was observed in alfalfa sprouts. However, lupine and soybean seeds are the most recommended raw material for the production of the sprouts on an industrial scale.
背景
经过在铁浓度增加的培养基中培养后的预发芽种子，可成为有益的食品铁强化剂。然而，铁的有效积累取决于植物的属、种和/或品种。本研究的目的是指出在发芽过程中铁积累最有效的种子或谷物。
方法
苜蓿、扁豆、羽扇豆和大豆种子以及小麦籽粒在培养基中铁（II）过量诱导的非生物胁迫条件下发芽。分析了这些植物对铁浓度的耐受性及其在所得材料中的积累情况（采用火焰原子吸收光谱法）。
结果
扁豆种子和小麦籽粒的耐受性最低。其他植物在25 mM硫酸亚铁溶液中生长。苜蓿芽中铁的积累量最高。然而，羽扇豆和大豆种子是工业规模生产豆芽最推荐的原材料。
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