1、果蔬坚果类营养成分分析图文精# #Phytochemicals from fruits and vegetables directly or from dietary supplements :# Whether a purified phytochemical has same health benefit as the compound when its source is a food or a mixture of food. Isolated pure compound may lose its bioactivity or may not behave the same way a
2、s the compound in whole foods. Natural combination of phytochemicals in fruits and vegetables is responsible for its potent antioxidant activity, it cannot simply be mimicked by pills or tablets. Higher doses of phytochemicals in pure dietary supplement form may increase the risk of toxicity. No sin
3、gle antioxidant can replace the combination of natural phytochemicals in fruits and vegetables in achieving the observed health benefits. #Functional foods in the Post-genomic Era:# Alterations in gene expression in response to bioactive food components needs to be studied using microarray technolog
4、y. Further, more information is needed to examine how genetic profile of an individual influences the ability of phytochemicals to bring about phenotypic changes. Since influence of food components is mainly at the translational or posttranslational level (protein phosphorylation and glycosylation,
5、PROTEOMIC-BASED studies are the need of the day. Ascorbic acid reduces the anticancer potential of Selenium while allyl sulphar compounds present in the garlic has enhancing effect on its anticancer potential.These interactions among the nutrients can be examined through METABOLOMIC RESEARCH. Genomi
6、cs Systems Biology Metabolomics Proteomics Transcriptomics #ISSUES FOR CONSIDERATION:# Modern scientific research on claims or empirical observation- incentives Efficacy and safety issues Regulation (unscrupulous are everywhere At times (often?# we over claim Create awareness among masses- gain credibility Standard practices;# agricultural, storage and manufacturing #
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