A dash of eye appeal, naturally


Color: Gabriel J. Lauro, a researcher with the spirit of an artist, heads a laboratory dedicated to perfecting natural food colors.

May 13, 2000|By Renee Tawa | Renee Tawa,Los Angeles Times

LOS ANGELES - To care about the color of cat food - to really fuss over, say, a roast-beefy red - you must loathe hues of rust and old gravy. You must adore the way that an Italian grape skin extract can hold its purple with such might during the heat of pasteurization that it won't brown out.

No matter where you turn, the world must explode at you in tangerines and peacock blues and glorious color, the way it does for Gabriel J. Lauro, food scientist.

Lauro is the unpaid director of the Natural Color Resource Center at California State Polytechnic University, Pomona. The center, which opened last year, is the first of its kind, he says, a place to dream up natural alternatives to the red 40s and blue 1s and other artificial colorings, and to collect scientific papers on the subject.

This at a time when the public zeal for everything au naturel extends even to cat food, and the federal government is proposing tighter standards for foods labeled organic, including exclusion of genetically engineered grains from the organic category. In the past five years, organic and natural-food sales have increased by 15 percent to 20 percent, exceeding $5 billion last year, according to the Grocery Manufacturers of America.

Lauro is working to sate the tastes of baby boomers who want all-natural rice puffs with ginkgo biloba, and hold the red dye No. 3, please, and make it pretty, too. And they want the chow that their cats eat to look like the three squares on their own dining tables.

Lauro gave up retirement to run the center because it was his dream to start a public resource center on natural color. At 69, his hands look like a kindergartner's, streaked with Crayola-like colors."Now I'm like a pig in mud," he crows.

It's not that there's anything wrong with synthetic colorings, says Lauro, who doesn't eschew them in his own diet. But the marketing cachet of "all natural" demands that the industry explore the possibilities of bugs and seeds and such.

And so Lauro, a salesman for natural colors, tinkers around in a laboratory with jars labeled blueberry powder, Indian turmeric and other polysyllabic stuff of his science."Show you how this baby works," he offers with glee, turning a clear solution the color of raspberry with a drop of red cabbage extract.

Lauro, the son of an artist, didn't grow up thinking his life would be ruled by colors. In high school, he thought about becoming some sort of scientist. One summer, as a teen-ager, Lauro worked in a frozen-food packaging plant. In the Army, an officer suggested that he look into food science, and in 1960, he earned a doctorate in the field from Rutgers University.

He later became a director of research at Hunt-Wesson Inc. in Fullerton, Calif., working in the tomato line and a bit with popcorn. In 1981, he became president and co-owner of a California-based company that specialized in natural color ingredients.

After selling the company, Lauro retired. He wanted to spend more time with his wife and two grown sons, perhaps do some gardening and painting.

But a year before his planned retirement, at a food-industry meeting, he happened to sit next to Wayne R. Bidlack, dean of California State Polytechnic University's College of Agriculture.

What he really wanted to do, Lauro told Bidlack, was start a research center, a place dedicated to the emerging science of natural colors and the nurturing of graduate students in the field. A repository for research on the subject. Sure, the labs in the big, private food companies experiment with natural colors. But they don't share information, and their work is specific to a single cookie type or product."He was internationally recognized as a leading natural-color expert," says Bidlack, who was tracking the surging consumer interest in natural and organic foods. "A little bell goes off in my head ..."

Bidlack called with an offer: no salary or benefits - just a lab bench, his blessing and the imprimatur of his institution."This was a dream!" Lauro says. His retirement was over.

This afternoon, Lauro is deep in thought about soy flakes, one of the raw materials of cat food. He recently gave a talk to a major pet-food maker, and he thinks consumers will not long stand for cat chow colored by iron rust. Swirling soy flakes and a purple carrot extract with water in a petri dish, he's trying to replicate the color of seared beef. "Just interested in knowing how it would behave," he says of the mixture.

Usually, Lauro works on requests from private industry, about two a week. One company wants its baked tortillas to look fried - he is going for a greasy orange-brown look here - and one wants its all-natural strawberry ice cream a deeper pink.

Lauro doesn't charge a fee; instead, he asks companies to make a donation to the laboratory. So far, he has raised about $10,000 for the center. The lab gets by on donated material and equipment, and the fees that Lauro charges for talks on natural colors.

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