If the full-text of an article is not available in the database you are searching, look for a "Locate it" button, which will link you to either the journal in which the article is published or to the article itself. If there is no button, use the Journal Titles tab in the red search box at the top of the main library web page to search for the title of the journal, or use the link below. If we have a subscription, you will learn what years are available and in what database. Although we subscribe to thousands of journals in electronic format, some or all years of a journal may be available only in physical form in the periodicals collection on B2. For other journals we may have limited access, for example, not the most recent issues or not the earliest published issues.
Since food is a subject on which both well and ill-informed people are inclined to offer their opinions, you would do well to limit your search to "Scholarly (Peer Reviewed) Journals if you want only academic articles. It doesn't guarantee accuracy, since even experts disagree (which means some of them must be wrong), but it weeds out the random unsubstantiated claims.
Search for journal articles on most topics. This multi-disciplinary database is a good place to start if you don't know where else to begin. (EBSCO)