28, 2003 DAIRY BIOACTIVE MOLECULES FUNCTIONAL INGREDIENTS

Transcription

1 E-MILK ISSUE 35, February 2003 STELA S BIENNIAL SYMPOSIUM Milk Better Quality Through Research The STELA Research Centre will be holding its biennial symposium on April 28 and 29, 2003, at Hotel Quebec in Sainte-Foy. The two-day event will be offering conferences aimed at highlighting the important role research plays in the quality of the dairy industry. We hope that the symposium will provide a forum for communications among dairy processors, government stakeholders and research scientists. An inaugural distinguished lectureship will top off each day of the symposium (i.e., Helen Bishop MacDonald of the Dairy Farmers of Canada, on Monday and Dr. Morsi El Soda of the University of Alexandria, on Tuesday) followed by conferences from STELA s regular research staff and associates. A visit of INAF s new pavilion and the pilot plant with stopover stations to provide information on its facilities and research projects will also be offered on the first day of the symposium. The visit of the INAF and its new clinical research facilities will give us an opportunity to appreciate one of our major research partners. Presented below is the detailed program. Monday, April 28, 2003 DAIRY BIOACTIVE MOLECULES FUNCTIONAL INGREDIENTS 7:30-8:30 Registration 8:30-8:45 Welcome Dr. Nicole Benhamou, Assistant Dean for Research (FSAA) SESSION 1: DAIRY BIOACTIVE MOLECULES Facilitator: Dr. Michel Pouliot (Agropur) 8:40-9:30 Why milk matters Helen Bishop MacDonald (Dairy Farmers of Canada) 9:30-10:00 Caseinomacropeptide: the right choice for improving the value of whey Dr. Michel Britten (FRDC) 10:00-11:00 Break Poster session 11:00-11:30 Immunomodulatory properties of whey proteins Dr. Sylvie Gauthier (STELA) 11:30-12:00 New tactics for fractioning enzymatic hydrolysates of milk proteins and peptides Dr. Yves Pouliot (STELA) 12:00-13:30 LUNCH SESSION 2: FUNCTIONAL INGREDIENTS Facilitator: Alain Bourbeau (Fédération des producteurs de lait du Québec) 13:30-14:00 Milk protein/polysaccharide ingredients for a customized functionality Dr. Sylvie Turgeon (STELA) 14:00-14:30 Whey protein hydrogels: A long history, a healthy future Dr. Muriel Subirade (STELA) 14:30-15:00 Break Poster session 15:00-16:30 Pilot plant and INAF visit 1

2 Tuesday, April 29, 2003 MILK QUALITY LACTIC MICROFLORA AND PROBIOTICS 7:30-8:30 Registration 8:30-8:45 Welcome Dr. Sylvie Turgeon Session 1 Facilitator: MILK QUALITY Michel Doré (Parmalat Canada) 8:45-9:30 The ins and outs of lactic acid bacteria, an ideal tool for improving the quality of cheeses Dr. Morsi El Soda (University of Alexandria, Egypt) 9:30-10:00 Factors affecting milk composition on the farm Dr. Yvan Chouinard (STELA) 10:00-10:30 Milk fat fractionation and health Dr. Paul Angers (STELA) 10:30-11:30 Break Poster session 11:30-12:00 Today s special: viruses and cheeses Dr. Sylvain Moineau and Dr. Céline Lévesque (GREB) 12:00-13:30 LUNCH Session 2 Facilitator: LACTIC MICROFLORA AND PROBIOTICS Dr. Claude Champagne (FRDC) 13:30-14:00 Use of genomics in the molecular traceability of bacteria Dr. Gisèle LaPointe (STELA) 14:00-14:30 Role of probiotics in inducing and maintaining oral tolerance to dairy proteins Dr. Ismaïl Fliss (STELA) 14:30-15:00 Break Poster session 15:00-15:30 Technological functionality of dairy bacteria in the improvement the quality of fermented dairy products Dr. Denis Roy (FRDC) 15:30-16:00 Closing session Dr. Jacques Goulet (UL s Food Science and Nutrition Department) 16:00 Poster Presentation Awards Cocktail. The leaflet along with the registration form will be sent to you shortly. RESEARCH GRANTS NSERC Strategic Grant/Parmalat Turgeon, S. Development of new protein/polysaccharide functional ingredients $245,777/3 yrs NSERC Strategic Grant/DFC Arul, J., Angers, P., Belkacemi, K. and Chouinard, Y. Preparation and stabilization of an anticarcinogenic and antiatherogenic fatty acidenriched milk fat fraction $99,000/2 yrs 2

3 NSERC Strategic Grant/DFC Jones, P.H., Chouinard, Y. and Jacques, H. Role of milk naturally enriched with conjugated linoleic acid in body weight regulation $76,000/2 yrs FQRNT - Action concertée - Functional Food and Nutraceutical Research Gauthier, S., Fliss, I., Boutin, Y. and Aattouri, N. Identification of immunomodulators in whey protein-based products $205,300/3 yrs Subirade, M., Angers, P., Beyssac, E., Ramassay, C. and Thibodeau, A. Development of nano- and microparticulate carrier systems to preserve and optimize nutraceutical function and bioavailability: application to natural antioxidants $224,500/3 yrs Arul, J., Belkacemi, K., Ramassamy, C., Pouliot, M., Haddad, P., Angers, P. and Chouinard, Y. Nutraceutical ingredients in milk fat, fortified with conjugated linoleic acid and vaccenic acid: production, use and beneficial effects against neurodegenerative diseases $224,000/3 yrs 2002 GRADUATES AT THE MASTER S LEVEL Berger, Karine (September 2002) Development of protein biofilms for the protection of micronutrients Co-Director: Mahmoud Rouabhia El Haddad, Nakhlé (February 2002) Study of the forces involved in mixed alginate and whey protein gels Director: Sylvie Turgeon Co-Director: Ismaïl Fliss Gilbert, Vanessa (March 2002) Structural investigation of serum protein-based biofilms for the controlled release of bioactive molecules: structural aspects Co-Director: Mahmoud Rouabhia Guérin, Daniel (April 2002) Study of the protective effects of encapsulation on the survival rate of bifidobacteria Director: Jean-Christophe Vuillemard Co- Latrasse, Christelle (May 2002) Influence of fractionated milk fat on the thermal properties of cocoa butter in the formulation of chocolate milk Director: Paul Angers Co-Director: Joseph Arul Leclerc, Pierre-Louis (April 2002) Antihypertensive activity of milk fermented by Lactobacillus helveticus Director: Sylvie F. Gauthier Co-Director: Denis Roy Moroni, Olivier (August 2001) Immunomagnetic concentration and rapid detection of lactococcus phages of the c2, 936 and P335 species Director: Ronald E. Simard Co-Director: Ismaïl Fliss Tahiri, Imane (April 2002) Inactivation of the pathogenic microflora and deterioration of orange juice by dynamic high pressure Director: Ismaïl Fliss Co-Director: Joseph Makhlouf 3

4 AT THE DOCTORAL LEVEL Gaussier, Hélène (April 2002) Study of protein-lipid interactions: contribution to the study of the action mechanism of pediocin, a bacteriocin produced by lactic acid bacteria Co-Director: Marc Lavoie Jean, Julie (April 2002) Molecular methods for detecting enteric viruses in foods Director: Ismaïl Fliss Co-Director: André Darveau Jimenez-Marquez, Sergio (April 2002) Modelling and control of moisture in industrial cheese production Director: Christophe Lacroix Co-Director: Jules Thibault Schepers, Adolf (December 2002) Modelling of local activity in immobilized cells in a whey permeate-based lactic acid production process Director: Christophe Lacroix Co-Director: Jules Thibault CONFERENCES The following conferences will be held in March at 11:00 a.m., room 2420, Pavillon Paul-Comtois. March 7, 2003 Ethics in the dairy industry (in French) Lyne Létourneau, Professor (in virtue of a grant program) at the Department of Animal Science, Université Laval. March 21, 2003 Exopolysaccharide biosynthesis in lactic acid bacteria (in French) Christophe Gilbert, Université Lyon 1, Microbiology and Genetics Unit, CNRS, France. March 28, 2003 Proteolysis diversity in lactic acid bacteria (In French) Danièle Atlan, Université Lyon 1, Microbiology and Genetics Unit, CNRS, France. STELA S ANNUAL REPORT STELA s annual report is available. To obtain a copy of this report, please contact Ginette Gagnon at the address provided below. A NEW COLUMN A new column entitled Eye on technology transfer will now appear in E-MILK. Through this column, we will showcase research findings from the STELA Research Centre that could lead to applications, which are potentially transferable to the industry. We are pleased to present our first Eye on technology transfer on milk fortified with CLA. We hope you enjoy it! EYE ON TECHNOLOGY TRANSFER: MILK FORTIFIED WITH CLA What has been done: Dr Yvan Chouinard, Researcher at the STELA Research Centre, managed to naturally increase the levels of CLA (conjugated linoleic acid) in commercially available milk by manipulating the feeding habits of 254 cows (from 12 different herds). In fact, Dr. Chouinard was able to obtain CLA levels that were four times as high as those usually found under normal conditions all that without affecting the health of the animals or their milk production. Given that milk fat is already the most abundant dietary source of CLA, a natural fat known for its many biological activities (i.e., anti-cancer agents), the production of CLA-fortified milk could make it 4

5 possible for the dairy industry to develop milk products with properties specifically adapted to particular market niches. What happens next: Work is far from over. Before this type of milk is mass-produced, we have to determine the impact it will have on production and transportation costs, adapt milk transformation processes, develop a marketing plan, and get approval from Health Canada of the health claims concerning the benefits of CLA. For more information on E-MILK or to get a copy by e- mail, please contact: Ginette Gagnon, Executive Secretary STELA Research Centre Pavillon Paul-Comtois, room l316 Université Laval, Québec (Québec) G1K 7P4 Tel: (418) ; Fax: (418) stela@aln.ulaval.ca For more information: A more-detailed article will soon be published in the journal Le producteur de lait québécois. You can also reach Dr Chouinard at: Yvan.Chouinard@san.ulaval.ca. Research team and collaborating partners: Dr. Yvan Chouinard, Head Researcher Nathalie Plourde and Jean-Philippe Faucher, M. Sc. students Jocelyne Delisle, Research Assistant Dairy Farmers of Canada and Novalait Inc. Clinique vétérinaire du Centre-du-Québec, Faculté de médecine vétérinaire de Saint- Hyacinthe, Laiterie Lamothe et Frères Ltée, Meunerie Labonté-Belhumeur inc., Meunerie Omnigrains, Ministère de l Agriculture, des Pêcheries et de l Alimentation du Québec (MAPAQ), direction régionale du Centre-du- Québec, Programme d analyses des troupeaux laitiers du Québec (PATLQ), Soya Excel. E-MILK ACROSS BORDERS! The publication FAX-LAIT is now available in English as E-MILK. Send it to everyone in your company, and even as far as overseas. To receive E-Milk, please write to: stela@aln.ulaval.ca 5