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March Section Meeting
Miami University, Marcum Conference Center
Thursday, March 29, 2018
Overview: The March meeting will honor the Cincinnati Section's Researcher and Chemist of the Year for 2018. This year's awardee for Researcher of the Year is Carrie Furnish (top right), Scientist at Procter & Gamble. Dr. Ann Hagerman (bottom right), Professor and Assistant Chair at Miami University's Department of Chemistry, will be awarded Chemist of the Year.
Dr Hagerman will also be the featured speaker for the evening, presenting “Plant Polyphenols: Structure-function diversity from the natural world”.
Abstract: Plants produce thousands of different polyphenolic compounds, characterized by the presence of at least two aromatic
rings and bearing at least two phenolic hydroxyl groups. The subset of polyphenolics that are high molecular weight (tannins) been known since
prehistoric times when they were used to convert animal hides to leather. They have played a major role in the development of the food and beverage
industry due to their characteristic astringent taste. In the mid-1900s, the principles of the chemical arms race between plants and insects were
formulated based on tannins as a key plant defense. However, links between tannin structure and function were difficult to develop because of the
challenges of elucidating structures of these natural polymers and because of their diverse activities.
Tannins encompass a wide range of compounds with two principle biosynthetic pathways yielding two major classes of structurally distinct but functionally similar compounds. The activities of the compounds stem from their phenolic nature, with potent abilities to bind proteins, quench radicals and chelate metals. My laboratory has examined the possible roles of polyphenolics in systems ranging from serum to soils, using purified compounds with defined structures to enable molecular level understanding of tannin activities. In recent studies we have established the specific binding site occupied by polyphenols on the carrier protein serum albumin, and have showed how other ligands of the protein such as fatty acids or metals participate in the polyphenol-protein interaction. Other recent work has demonstrated a likely role of root-secreted polyphenols in aluminum-tolerant plants. Our newest work promises to reveal how microbial consortia, such as the gut microbiome, process polyphenols to alter their bioactivities, further expanding the impact these ubiquitous compounds have in humans and the environment.
|6:00 - 7:00pm||Registration and Social Hour (Registration closes at 6:45 for those who wish to pay at the door.)
|7:00 - 8:00pm||Dinner
$35.00 Regular Members / Guests
$30.00 for Retired Members
$20 for Students / K-12 Teachers / Unemployed Members
Chicken breast with citrus gastrique, Dijon cream or hunter sauce
London broil with mushroom demi-grace
Salmon with citrus vin blanc
Sour cream mashed potatoes
Glazed carrots with honey and sesame
New York cheesecake
Lemon raspberry torte
Soft drinks, domestic beer, house wine, coffee, and hot tea
|8:00 - 9:00pm||Seminar
Dr. Ann E Hagerman presenting "Plant Polyphenols: Structure-function diversity from the natural world"
Online registration required: Please use the "Register Now!" link above. The deadline for registration is Friday, March 23, 2018.
Directions: The meeting will be held at Miami University's Marcum Conference and Event Center located at 951 East Withrow Street, Oxford, OH 45056. Click here for a campus map.
|Thursday, Feb 28||
Dr Thomas Beck at Mt St Joseph University
|Thursday, Mar 28||
Chemist of Year Awardee at Miami University