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About J. Peter Clark
(Top Expert on this page)

Expertise
How various processed foods are made; ways to improve manufacturing; how to make a new food product.

Experience
Employment history: Research Engineer, U.S.Agricultural Research Service, Associate Professor Chemical Engineering, Virginia Tech, Director of Research, Continental Baking Company, President, Epstein Process Engineering, Inc., Vice Presdent Technology, Fluor Daniel, Inc., Consultant to the Process Industries

Organizations: American Institute of Chemical Engineers (Fellow) Institute of Food Technologists, American Association of Cereal Chemists, American Association of Candy Technologists, American Society of Agricultural Engineers,

Publications: Several Encyclopedias (Kirk and Othmer, Chemical Technology; Food Science, Food Technology and Nutrition; Wiley Encyclopedia of Food Science and Technology; Encyclopedia of Life Support Systems); five books, two book chapters; numerous journals.

Education: BSChE Notre Dame PhD University of California, Berkeley

Awards: AIChE Food, Pharmaceutical and Bioengineering Division Award 1998

Clients: Major food processing and pharamaceutical companies.

   

You are here:  Experts > Industry > Food Engineering > Food Engineering/Manufacturing

SubjectDate AskedExpert

browning lettuce in fresh-cut salad factory7/9/2009J. Peter Clark
  Q: I work in a fresh-cut salad factory. Our fresh-cut Romaine lettuce turns brown very soon It affect ...
  A: As soon as lettuce, or any plant tissue, is cut, enzymes begin to discolor and cause spoilage. There ...
bbq sauce ingredient licensing7/7/2009Jim Pfister
  Q: i am considering bottling my own bbq sauce, but until now i have been using specialty ingredients ...
  A: William, Good Morning. First and foremost is my disclaimer on anything within the legal realm. In ...
Single serve peanut butter7/6/2009J. Peter Clark
  Q: looking for a co packer to do my single serve PB, we currently do our own 16oz conatainers,, also ...
  A: Your best bet to find a co-packer might be through the equipment companies. Examples are Circle ...
Preserving a sauce7/3/2009J. Peter Clark
  Q: the mayonnaise i currently use is from a big company and its shelf life is pretty long. the problem ...
  A: Mayonnaise keeps because it is acidic and probably is hot filled. It needs refrigeration after it is ...
How to market my home made german potato salad7/3/2009J. Peter Clark
  Q: What is the best way to sell my home made german potato salad?I do not have a lot of money avalabel ...
  A: Judith, There are some more complexities with meat products. I suggest the same approach as with ...
How to market my home made german potato salad7/3/2009J. Peter Clark
  Q: What is the best way to sell my home made german potato salad?I do not have a lot of money avalabel ...
  A: Judith, Most potato salads have limited shelf lives, meaning they can spoil even if kept ...
bottling hot sauce7/2/2009Jim Pfister
  Q: Mr. Pfister, I hope this question is not too basic, but I would like to bottle my hot sauce. I have ...
  A: Chris, Good Monday Morning. I will presume that you want to start small first. Probably from home. ...
Jarred pasta sauces6/30/2009J. Peter Clark
  Q: I've always been curious about how long jarred sauces are cooked. My mom cooked her sauce for ...
  A: There are about as many recipes for pasta sauces as there are Moms, so some of the difference is the ...
BBQ Sauce Manufacturer6/29/2009J. Peter Clark
  Q: I am trying to help a Mom & Pop business expand their business, taking it to the next level. They ...
  A: Patrick, Probably your best bet is to ask the Food Science Department at the University of ...
tea beverage processing6/26/2009Jim Pfister
  Q: Good day, We want to bottle a ready to drink range of tea lattes. We currently use a batch / vat ...
  A: George, Good Friday Morning. First off, I have never done any design for "tea lattes", so ...
bottling bbq sauce6/26/2009J. Peter Clark
  Q: at what temperature should the sauce be going into the bottle to assure quality and safety.
  A: Assuming the sauce is high acid, pH below 4.6, which most are because they have tomato and vinegar ...
bottling salad dressing6/25/2009Jim Pfister
  Q: We own a restaurant in south Florida and have a vinagrette based salad dressing which our customers ...
  A: Alice, Good Friday Morning. Your question - about wanting to bottle/sell a dressing - is by far the ...
Hot fill Juice6/23/2009Jim Pfister
  Q: I want to start a juice factory. I want to hot fill in pet bottles. I do not want to add any ...
  A: Sardar, There is no definite rule on shelf life. I have seen some that do calculations, but they ...
Dressing6/21/2009Jim Pfister
  Q: I would like to add dressings and mayo to my line. Dressings would include cheese and the mayo would ...
  A: Steve, Since you are already making product, could you please clarify your request. (I obviously ...
homemades sauces/catsup6/21/2009Jim Pfister
  Q: Is it true that some products are exempt from labeling nutrition info. My homemade product is an ...
  A: Edward, I haven't heard that, but I know the regs do vary in some states. However, I am wondering ...
Great recipe- how to get it in stores?6/21/2009Jim Pfister
  Q: I make the best cheesecakes and keylime pies around town. My clients are co-workers family and ...
  A: Toya, How much risk do you want to take? I tend to be conservative and have also seen people lose ...
Great recipe- how to get it in stores?6/18/2009Jim Pfister
  Q: I make the best cheesecakes and keylime pies around town. My clients are co-workers family and ...
  A: Toya, Sounds to me like your situation would be perfect for licensing, i.e., you get someone else ...
beverage lines6/17/2009Jim Pfister
  Q: I am wanting to start producing a specialty smoothie line. I have no clue what the regulations are ...
  A: Brandon, You probably don't realize it, but what you're asking me would fill two textbooks, and this ...
small peanut processing facility6/14/2009J. Peter Clark
  Q: We have a small farm in Central America and would like to process our valencia type peanuts into ...
  A: I have the impressssion that 150 acres is a good sized peanut farm. Yields of nuts are typiclly ...
Preservative & Concentrate etc6/11/2009J. Peter Clark
  Q: When you use concentrate instead of 100% fresh juice, what nutrients do you lose? I also have a ...
  A: There is more loss of flavor than of nutrients in making juice concentrates. Concentration is ...
Potato battered and fried6/10/2009J. Peter Clark
  Q: We are a small manufacturer of fish products but have recently started producing battered fried ...
  A: Scott, I think most other producers of fried potatoes peel and slice them themselves, thus ...
Wing Sauce and Rubs6/9/2009Jim Pfister
  Q: I am starting a wing rub and sauce company and was wondering how I can make a product which does not ...
  A: Dennis, The best advice I can give you is to closely monitor your distribution chain...particularly ...
Testing metrics for juice drink6/8/2009J. Peter Clark
  Q: we are interested in testing the carbonation level of a glass bottled drink. Is there any testing ...
  A: Lucy, Testing for carbonation, pH and solids are typically done in the plant, though you could send ...
Dessert Sauce for Resale6/7/2009J. Peter Clark
  Q: I would like to make a maple dessert sauce to bottle and sell. The recipe I have calls for butter ...
  A: Some dairy products, such as coffee creamers, are packaged aseptically and are shelf stable. They ...
Wing Sauce and Rubs6/5/2009Jim Pfister
  Q: I am starting a wing rub and sauce company and was wondering how I can make a product which does not ...
  A: Dennis, Good morning. I can only give you a general answer since I have incomplete info on your ...
marinade6/3/2009Jim Pfister
  Q: I am a grillmaster and have developed a marinade specifically for grilling. It is great for a number ...
  A: Tom, It sounds like you need a third party with a well-known name to endorse for you. Have you tried ...
dressing, stew and other6/3/2009Phil Bourque
  Q: my father has owned a bar and grill in atlanta georgia for over 34 years. we have a salad dressing ...
  A: Do you have any idea of monthly output? If you want to make a large investment, Kens Foods in ...
South African Beef Biltong6/3/2009J. Peter Clark
  Q: Mr. Clark - I am a South African, living in the USA, looking to take our traditional beef biltong ...
  A: It is certainly feasible to import your jerky from England. The preference for local production is ...
food product creation5/31/2009J. Peter Clark
  Q: I am thinking of creating some nut butter spreads to test at our local farmer's market. How do I ...
  A: Susan, There are many forms of closing to provide tamper evidence. None are perfect. Medications ...
food product creation5/30/2009J. Peter Clark
  Q: I am thinking of creating some nut butter spreads to test at our local farmer's market. How do I ...
  A: Susan, When you make a food for sale you are responsible to see that it is safe. In that sense you ...
dips5/27/2009Jim Pfister
  Q: i would like to introduce an organic non fat veggie dip sauce in the market but before going thru ...
  A: Aybars, Good morning. Your request is the most common one that I get...but... your approach is one ...
preservative for swedish apple pie5/20/2009J. Peter Clark
  Q: i make a swedish apple pie that I am thinking about selling to the public. First off, do I need to ...
  A: Most baked pies are sold fresh, refrigerated or frozen. They don't usually need preservatives, but ...
hot sauce5/19/2009J. Peter Clark
  Q: I would like to know more of the method of hot-filling that you often talk about. If I am making a ...
  A: Maria, I'm glad you like the site and admire you for doing a little research on past answers. Hot ...
nutritional value on cookie packaging?5/15/2009J. Peter Clark
  Q: I notice that in the stores brand cookies have nutritional value , but yet if you go to the counters ...
  A: I am not a lawyer, but I believe the nutritional labeling requirement is federal and applies to food ...
Advise5/12/2009Jim Pfister
  Q: Mr. Pfisser, I am a small business owner located in Los angeles california looking to re-design our ...
  A: David, Go to the IoPP website ( www.iopp.org ), and then go to the Packaging Consultants Council ...
selling homade salsa to retail grocers5/11/2009Jim Pfister
  Q: My wife has crazy recipes for summer fruit salsas that I never see anything like in stores. Friends ...
  A: Mark, Good Afternoon. When you ask "Are the rules and regulations for selling food too much to ...
fat free organic brownies5/10/2009Jim Pfister
  Q: I have developed a really good fat free brownie which uses no artificial fat alternative, ...
  A: Sam, Hello again. I have no experience in fair trade sourcing, and I also cannot think of anyone to ...
salad dressing for retail sale5/7/2009Phil Bourque
  Q: My husband and I own a restaurant in Whitestone, New York We have a salad dressing recipe we would ...
  A: Not in your immediate area, and really it depends on volume. In Fredonia, Carriage House is a ...
Tartar sauce5/6/2009Jim Pfister
  Q: I intend on packaging a homemade tartar sauce. The main ingredient being mayo. Currently I am using ...
  A: Dena, If you want your product to be shelf-stable at room temperature - just like a jar of mayo ...
Asian BBQ and Marinade Sauce5/4/2009Phil Bourque
  Q: I have a family bbq and marinade asian marinade sauce that I want to start bottling and selling. I ...
  A: http://www.fiery-foods.com/index.php?option=com_content&view=article&id=1741:how-to-choose-a-co-pack ...

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Jim PfisterJ. Peter ClarkPhil Bourque
   

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