文章基本信息

标题：REDUCE CONTAMINATION WITH HEAVY METALS OF SPECIES BY VEGETABLE PROCESSING
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作者：Ionescu Valentin ; Buculei Amelia ; Campeanu Gheorghe 等
期刊名称：Annals : Food Science and Technology
电子版ISSN：2065-2828
出版年度：2009
卷号：10
期号：2
出版社：Valahia University Press
摘要：Heavy metals are very stable chemical elements which do not thermally or chemically degrade, but according to their binding in the plant tissue may migrate. The materials used in experiments, vegetable species taken from polluted and unpolluted areas, were subjected to the specific technological operations for obtaining products preserved both in glass jars and metallic cans. The determination of the heavy metals content was performed by standardized mineralization methods, followed by the atomic absorption analysis (F-AAS, GF-AAS). The research results have revealed the following aspects: - phases of the technological process of treating horticultural products where the composition is altered in microelements, including heavy metals, are: cleaning, washing, breaking, infusion, sterilization. - after the sterilization operation, some of the polluting substances, especially heavy metals contained in the solid phase, diffuse in the liquid phase (filling liquid). Taking on account the toxic effects of heavy metals on the human body, in order to ensure the consumer's protection, it is recommended, in the case of using raw materials with a high content of heavy metals, not to use their coverage liquid from cans in the actual food preparing.
关键词：heavy metals; vegetables; diffusion; technological operations