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enzyme treatment may remove peanut allergens, suggests study
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an enzymatic treatment process may effectively reduce allergens in roasted peanuts by up to 100 per cent, according to new research.
researchers believe enzyme treatment may reduce or remove levels of allergens in peanuts. the study, published in food chemistry investigated the use of enzymatic treatments to reduce the levels of allergens in peanut kernels, using two major peanut allergens (ara h 1 and ara h 2) as indicators of effectiveness. the researchers found the treatment of roasted peanut kernels with alpha-chymotrypsin or trypsin enzymes for 1 to 3 hours significantly increased the solubility of peanut protein, whilst reducing ara h 1 and ara h 2 in kernel extracts by 100 per cent and 98 per cent respectively. “results from this study indicate the potential for producing peanuts with reduced allergenicity using post-harvest processing approaches such as food grade enzymatic treatment,” said the authors, led by senior author dr soheila maleki from the agricultural research service at the united states department of agriculture (usda). allergy issues consumption of peanuts or peanut containing food products can cause severe and even fatal allergenic reactions. “while avoidance is the best way to guard against manifestation of allergy, the ubiquitous use of peanuts and peanut products by the food industry makes it very hard for allergic individuals to avoid accidental ingestion,” said the researchers. “therefore, it would be useful to reduce the level of allergens in peanuts that are mixed with other food ingredients,” they added. enzymatic processing is an approach that has worked to reduce or eliminate allergenicity in certain foods and ingredients, said maleki and colleagues. they noted examples of enzyme treatment used to remove allergens include production of hypoallergenic rice by a two-stage enzymatic proteolysis process and the development of hypoallergenic whey protein hydrolysate. study details an enzymatic treatment process was reported to effectively reduce ara h 1 and ara h 2 in roasted peanut kernels by up to 100 per cent under optimal conditions. upon treatment with alpha-chymotrypsin solution, protein solubility increased, whilst detectable/extractable levels of ara h 1 and ara h 2 decreased in both blanched and non-blanched peanuts, said maleki and co-workers.
Source :foodnavigator.com
Date :
2
March
2011
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research by some canadians published this week by the journal of the american medical association suggests that when it comes to lowering ldl levels (the so-called ‘bad cholesterol’), what you eat is more important than what you don’t eat. certain cholesterol-friendly foods can be more effective in lowering levels of ldl, or ‘bad cholesterol’ than foods merely low in saturated fats, according to the canadian researchers.
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a new study from the harvard school of public health has found that small changes in diet, lifestyle and sleep patterns are strongly linked with long term weight gain, with humble potato the single biggest offender. where previous studies have examined patterns of weight loss, the harvard study examined factors in weight gain, finding changes in diet to have the biggest association with gaining weight.
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woolworths has recalled its own-brand 750g bags of almonds “due to the potential presence of salmonella”, effective immediately, in a product recall issued just before easter. bags of almonds with a best before date of 10/11/11 and 11/11/11 are being recalled, having been sold in woolworths, safeway and food for less supermarkets across australia between 15 and 21 april. exactly how many of the almond bags are affected has not been released, nor how the contamination was discovered, but customers have been warned not to eat the product and seek medical advice if concerned about their health.
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fao director-general urges increase in agricultural investments 15-03-2011 emirates’ date palm development program a good example dates on sale at a middle eastern souk15 march 2011, abu dhabi, united arab emirates - fao director-general jacques diouf today reiterated his call for greater investment in agriculture, using the example of the united arab emirates (uae) investments in date palm development, a program that has made it the seventh date producer in the world, with 6 percent of global date production.
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aytac foods has withdrawn packs of its dried apricots and golden jumbo raisins with a ‘best before end’ date up to and including december 2011, because the products contain sulphur dioxide, which is not mentioned the product labels. this makes the products a possible health risk for anyone who is sensitive to sulphites. the agency has issued an allergy alert.
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denar has recalled its 200g packs of golden jumbo raisins and dried apricots because these products contain sulphur dioxide, which is not mentioned on the product label. this makes the product a possible risk to health for anyone sensitive to sulphites. the agency has issued an allergy alert. if you are sensitive to sulphites you are advised not to eat these products.
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morrisons has withdrawn its unsalted pistachio nuts because one batch was found to contain aflatoxins at levels above the legal limits. the levels found are not considered to be harmful to health. the agency has issued a product withdrawal information notice. product details the product being withdrawn is: product: morrisons unsalted pistachio nuts in shelldate code: all batch codespack size: 280g morrisons has withdrawn the affected product from sale.
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Coca.Cola
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PEPSI
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Mcdonald
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Nestle
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Mars
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Baskin & Robins
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Nutrika
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Mumika
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Chika
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advances in 
ultrasound treatment (sonication) and an edible coating including jujube and 