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Food Science/Questions Answered by Expert Leo Nollet
| Subject | Date Asked |
| Protein supplements | 9/6/2011 |
| Q: ive been a bodybuilder for 3 years and my diet is good. i take egg whites, oatmeal, fish, salad, ... A: Creatine, bcaa, and fish oil taken in 'normal' quantities won't harm you. However keep following ... | |
| Tap Water | 4/29/2011 |
| Q: Is it really that much better to have bottled (filtered) water after working out than tap Every day ... A: It depends of what water is coming out the tap. Tap water distributed by a tap water company is very ... | |
| Yeast? | 10/9/2010 |
| Q: Dr Do you know much about yeast allergies? I used to think I had celiac disease, as my main ... A: Apparently you are allergic for something in the bread. It may be the yeast but it may be also ... | |
| High Fructose Corn syrup | 8/23/2010 |
| Q: In reading ingredients on food packages, is there a difference between high fructose corn syrup, ... A: What you mention in your question is to my opinion the same: fructose syrup or high fructse corn ... | |
| Grapeseed Butter | 4/27/2010 |
| Q: I know that grapeseed oil is a much healthier choice then other oils but what about grapeseed ... A: Grapeseed Butter is obtained by the cold pressing of selected fruits followed by a full refining ... | |
| Canola oil and trans fat | 4/25/2010 |
| Q: I've heard that during the processing of canola oil, omega-3 fatty acids break down from heat and ... A: One little-known source of trans fat is canola / rapeseed oil. The trans fat occurs as a result of ... | |
| Vitamin loss when Veggies Cooked | 3/31/2010 |
| Q: I read that if you cook vegetables and fruit longer than two-three minutes you will lose the ... A: By cooking you are loosing some of the vitamin or mineral content. Not all. How much vitamins and ... | |
| A question about fats and nutrition labelling | 2/26/2010 |
| Q: I hope you can help me with my question, Some people warn against canola oil* (and soy oil, I think ... A: - canola oil. The label isn't misleading. This oil originated in Canada and has became known as the ... | |
| Organic versus No Pesticides | 11/9/2009 |
| Q: Leo, I recently saw some frozen blueberries at the store that said "grown naturally with no ... A: Grown naturally with no pesticides means the blueberries are grown in nature. They are harvested as ... | |
| Polyphenols and dairy | 10/29/2009 |
| Q: I keep running into articles which tell me that you shouldn't drink milk with tea, because the milk ... A: A team of scientists found that casein proteins from milk blocked the effect of tea all by ... | |
| enzyme | 10/27/2009 |
| Q: I could not find the right category. Hope you can help. I'll like to know if we eat fresh fruits or ... A: See for fruits and enzymes http://www.healingdaily.com/detoxification-diet/enzymes.htm You et ... | |
| Saturated Fats & Heart Disease | 9/18/2009 |
| Q: I actively study nutrition & health on my own through textbooks like "Understanding Normal & ... A: In your text I see to questions. question 1: poly-unsaturated oils. I agree with you. Opinions are ... | |
| Can protein deficiency damage kidneys? | 5/23/2009 |
| Q: I've heard that during severe protein deficiency, body protein is broken down to provide protein for ... A: I took this answer from one colleague: Answer Hi Green, No, protein deficiency will not damage the ... | |
| processed vs fresh | 4/14/2009 |
| Q: Is there a difference between the bacteria, or germs in general, that can grow on fresh food and ... A: Bacteria or mold don't discriminate between fresh or processed. The organic material (= foodstuff ... | |
| resveratrol | 2/4/2009 |
| Q: I'd like to know approx. how much resveratrol is in a glass of red wine (milligams/micrograms). ... A: The resveratrol content of wine is related to the length of time the grape skins are present during ... | |
| Vitamins in food/drink | 1/19/2009 |
| Q: How does industry/company determiner percentage of vitamins in food/drink? Are these vitamins ... A: Vitamins are determined in food and drinks by specialized analysis methods. First they are ... | |
| Super Whey Amino | 10/26/2008 |
| Q: I am a very active person always playing sports or going to the gym. I recently found out there is a ... A: When you are taking Super Whey Amino or Super-amino 1600 you are not eating vitamins but amino ... | |
| NEED A DRINK | 6/17/2008 |
| Q: I was wondering would you please explain to me: why when you eat salty foods, your always thirsty? ... A: I found this on Wiki answers: The body struggles to maintain a constant level of salts as well as ... | |
| food fibre and non-food | 6/14/2008 |
| Q: What is the difference between 'edible fibre' and random, nonedible things? Wouldn't any non-toxic ... A: Dietary or edible fibre is the part of foods that we cannot digest but is good for our health. It is ... | |
| RANGE | 6/8/2008 |
| Q: RECENTLY,BEFORE SURGERY MY BLOOD LEVELS SHOWED MY POTASSIUM COUNT TO BE 5.7 WHICH THEY SAID WAS TO ... A: Measurement of potassium needs to be repeated, as the elevation can be due to hemolysis in the first ... | |
| retinol | 5/31/2008 |
| Q: I've read that retinol is quite unstable and oxidises quickly. How soon do you think the retinol in ... A: Vitamin A is sensitive to oxidation by air. Loss of activity is accelerated by heat and exposure to ... | |
| soaking lentils | 3/7/2008 |
| Q: 1) I soaked my lentils for 3 days in water. I've read however, that lentils don't need to be ... A: Lentils don't need to be soaked. Nutrients leak out. Se for further information ... | |
| Meat Eating | 2/6/2008 |
| Q: 1. How many cows an American eats in his life time? 2. What is the average weight of a cow and meat ... A: This is what I found on the internet: 1. I'll give you a rough estimate to your question. Stats show ... | |
| Safety of Soy | 12/11/2007 |
| Q: "The Whole Soy Story" by Kaayla T. Daniel, PhD, CCN (2005) and extensive presentation (457 pages) ... A: As with all (or most) foodstuffs you have pro's and contra's. You ave believers and disbelievers. I ... | |
| Yogurt | 10/7/2007 |
| Q: where does the healthy bacteria in yogurt come from? Is there some kind of ingredient added? Is ... A: From Wikipedia... There is evidence of cultured milk products being produced as food for at least ... | |
| Here are more questions | 9/17/2007 |
| Q: I just curious how salt retains moisture on meat. Why does vinegar react explosively with baking ... A: qestion 1: I think an answer on http://bbq.about.com/od/poultry/a/aa120906a.htm question 2: see ... | |
| Questions on salts, food coloring, and yogurt | 9/16/2007 |
| Q: Why are yogurt cultures needed for the creamy texture of yogurt? Can yogurt be made without yogurt ... A: Of course are yogurt cultures necessary to make yogurt. Yoghurt is produced by the controlled ... | |
| OCD and diet | 5/11/2007 |
| Q: I am suffering from severe OCD and panic attacks and diagnosed with hypoglycemia. I used to eat ... A: A lot questions. First of all i advise you to see a good, living doctor. Taking a ... | |
| partially hydrogenated guar gum | 5/10/2007 |
| Q: I recently picked up a chewable fiber+calcium container (Walgreens brand) and saw that it contained ... A: Partially hydrogenated oils are attractive to food manufacturers for several reasons. Partial ... | |
| Actual Calorie content | 4/28/2007 |
| Q: I have an item that gives nutrition values for the prepared mix, but I cannot figure out the ... A: Prepared serving 17,5 calories per fl oz (70/4) 1 gallon = 128 fl oz 3,5 gallons = 448 fl oz ... | |
| omega-3 | 4/16/2007 |
| Q: Docosahexaenoic acid (commonly known as DHA) one part of the omega-3 fatty acid is heralded as the ... A: The dietary source of DHA is indeed fish. Brain could be a source of DHA. One doesn't use brain as a ... | |
| Rice | 4/4/2007 |
| Q: I would like to know what kinda rice is considered as 100% whole-grain rice? is brown rice/calrose ... A: Yes you have Nutri Rice Australian calrose brown rice - short grain, soft variety, grown in New ... | |
| vegetable pill question | 2/5/2007 |
| Q: I read about Boscia Vegetable Therapy pills, which I would get for my son - who doesn't eat enough ... A: Boscia Vegetable Therapy pills are a combination of antioxidants. We can tell these pills are ... | |
| acai berry | 1/24/2007 |
| Q: Someone approached me about selling me this "wonder cure drink." I was told it cures cancer and ... A: The acai berry is a very rich source of antioxidants. It proves to be good for overall health. See ... | |
| Energy foods | 9/12/2006 |
| Q: My name is Kabir, im 19 years old and overwieght. I reacently bought hydroxycut, but have not used ... A: Why keep it so complicated? Try to eat a varied mix of all foods with plenty of vegetables and ... | |
| Cooking vegetables | 5/21/2006 |
| Q: I read somewhere that if you cook veggies at more than 100ºC it takes all the qualities out of them, ... A: Cooking or frying vegetables destroy not all qualities. Loss of vitamins, minerals, ... depends on ... | |
| Analyses of amino acids by HPLC | 2/18/2006 |
| Q: I am writing an asignment and need to find methods for determine amino acids in food by HPLC. I am ... A: You have a lot of HPLC methods to determine amino acids in foods. I suggest to read my book ... | |
| hempseeds | 12/4/2005 |
| Q: Leo! The variety of food supplements companies mind bugling. I was wondering if I can read on /or ... A: I don't know in what country you are living. Go to a 'vitamin' shop and look what brands they have. ... | |
| yeast infections | 11/21/2005 |
| Q: I was having a bad problem with yeast infections every month. I looked up immune to see how to ... A: I don't see any relation between fish oils and lost appetite. Of course I hope you have eaten normal ... | |
| Hard cooked egg | 9/28/2005 |
| Q: when I overcook my eggs in water, the yolk turns chalky and with a green halo. Could you please tell ... A: I found this answer: Hardboiled Green Eggs: Why does this Happen? Yolk contains iron (Fe) Albumin ... | |
| Standards of commercial and public drinking water | 7/15/2005 |
| Q: I have read in a number of places that, for all the popularity of bottled water, the standards to ... A: Sorry for the late answer but I never saw your question. It is difficult to answer your question. I ... | |
| fruit juices | 4/11/2005 |
| Q: i have a doubt relating to fruit juices. what exactly is the difference between "not from ... A: Fruit juices 'from concentrate' are made starting from concentrate. Oranges are pressed and the ... | |
| poultry on steroids | 3/19/2005 |
| Q: now i live in thailand and do eat alot of chicken breasts for a cheap source of protein (at least in ... A: I don't know exactly what the reasons are of smaller or bigger chicken breasts. Different breeds? ... | |
| questions | 2/27/2005 |
| Q: I am a 24 yr. old female, normal weight for my height and i jog about 4 miles 4x/week. I take a ... A: It is strange you have very hard stool after taking a multivitamin. I should try other brands. I ... | |
| food allergies | 2/18/2005 |
| Q: I am 54 years old and in the last year I have become allergic to some foods like chip dip, cream ... A: Look at the ingredients list and see if one component is in all foods (getting diarhea). If you find ... | |
| Food Study | 9/15/2004 |
| Q: In my book I have a question that says: Which of the followings are sugars found in food? Brown ... A: You have to make a difference between sugars, we buy in a shop and sugars or carbohydrates, ... | |
| I hope they are not stupid questions | 7/10/2004 |
| Q: I have two questions please. 1. Will vitamins be destroyed after fresh fruits liquidised in the ... A: No questions are stupid; answers can be. Liquidising fresh fruits will destroy a little bit by ... | |
| Need help with "greasy" question | 1/19/2004 |
| Q: My son is doing a science project trying to answer "which fast food hamburger is the greasiest?" We ... A: I think you main the fat content of hamburgers. I found a website with a general composition of a.o. ... | |
| Nutritional Qualities of Plums | 7/12/2003 |
| Q: I just want to know what the nutritional qualities of Plums are in laymens terms. Mainly I'd like ... A: Plums Diet Nutrition Plums are a good source of potassium. They also contain some vitamin A and ... | |
| food invention | 2/19/2003 |
| Q: I am a 6th grader from Hawaii. We are researching inventions in class and we were told to find an ... A: The idea behind your invention is fantastic but in which way will you work out your idea. Inventions ... | |
Food Science
Answers by Expert:
Leo Nollet
Top Expert on this page
Expertise
Send me questions on the analysis and detection methods of food ingredients. How to analyze or detect food compounds or residues. Analysis methods of amino acids, peptides, proteins, sugars, organic acids, fats, etc...
Experience
I am a Ph. D. in Science
Organizations
Hogeschool Gent, Ghent, Belgium
Publications
Handbook of Food Analysis, M. Dekker, New York, 1996.
Food Analysis by HPLC, 2nd Ed., M. Dekker, New York, 2000.
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