U.S. flagAn official website of the United States government
                    Here's how you know **Official websites use .gov**
                            
                            A **.gov** website belongs to an official government organization in the United States.
 **Secure .gov websites use HTTPS**
                            
                            A **lock** (                            
                              A locked padlock                                                      
                            
                            ) or **https://** means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.


Menu Agricultural Research Service
						
                    U.S. DEPARTMENT OF AGRICULTURE
 Produce Safety and Microbiology Research: Albany, CA
 close



    Research

                    Research Projects
                                    Publications
                                    Collaborations
                                    News
                People

                    Staff Listing
                                    CareersSearch small
                    Search
            
            ARS Home
                                About ARS
                                Contact Us




ARS Home Pacific West Area Albany, California Western Regional Research Center Produce Safety and Microbiology Research Research Publications at this Location





- ARS National Programs
- Search for a scientific manuscript
- Search for a research project
- ARS Software
- Programs and Projects
- Collaborations
- Subjects of Investigation
- Publications

Title:   Author  item
                                            Friedman, Mendelitem
                                            Levin, Carol
  Submitted to: Elsevier
                                    Publication Type: Book / Chapter
                                    Publication Acceptance Date: 11/16/2015
                                    Publication  Date: 2/10/2016
                                    Citation: Friedman, M., Levin, C.E. 2016. Glycoalkaloids and calystegine alkaloids in potatoes. In: Singh, J., Kaur, L., editors. Advances in Potato Chemistry and Technology. Oxford, UK: Elsevier. p. 115-125.Interpretive Summary: This chapter was prepared in response to an invitation from the Editor to contribute a manuscript to the second edition of the book entitled “Advances in Potato Chemistry and Technology” to be published in 2015 by Elsevier/Academic Press, San Diego, California.  We also contributed a chapter to the first edition, published in 2009.  The current chapter updates and integrates the results of our published studies and those by other investigators on the analysis and distribution of glycoalkaloids and calystegine alkaloids in cultivated and uncultivated potato varieties and adverse and beneficial bioactivities of the two classes of potato ingredients. Beneficial effects include antimicrobial activities against Salmonella in vivo via stimulation of the immune system and anticarcinogenic activities. The herein described findings are not only of fundamental interest, but have practical implications for nutrition, food safety, and animal and human health.
                                Technical Abstract: Potatoes contain two classes of alkaloids: the glycoalkaloids and the calystegines.  The presence of glycoalkaloids in potatoes and their toxicity has been known for more than a century and much has been written about them.  Discovery of the nortropane calystegine alkaloids is more recent, and the knowledge of their presence in potatoes even more so.  Glycoalkaloids are highly toxic when consumed at sufficiently high levels; however the toxicity of the calystegine alkaloids is largely unknown.  In this chapter, we review the accumulated knowledge and history of the analysis, prevalence in the diet, factors affecting their abundance in potatoes, toxicity, and potential healthful benefits of both classes of alkaloids.


Return to top


Connect with ARS Sign up


ARS Home
                            USDA.gov
                            Plain Writing
                            Policies & Links
                            Civil Rights Statements
                            FOIA
                            Accessibility Statement
                            Privacy Policy
                            Non-Discrimination Statement
                            Quality of Information
                            USA.gov
                            WhiteHouse.gov