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INTRODUCTION
October / November 2002

TECHNOLOGY NEWS

Protecting Perishables From Package pests

 

Insect pests often invade and pen­etrate packaged foods somewhere along the marketing chain, mostly during trans­portation and storage. As an alternative to traditional insecticides, the united states agricultural research service en­tomologist mr. Franklin Arthur at the Grain Marketing and Production Re­search Centre in Manhattan is conduct­ing studies with insect growth regula­tors (igrs) that prevent insect larvae from becoming reproductive adults.

To replicate food storage condi­tions, Mr. Arthur has created miniature "exposure arenas" by pouring concrete into petri dishes. Once/the concrete hard­ens, igrs are sprayed directly onto the concrete and the insects exposed to the treated concrete. Since igrs are not nor­mal ly toxic to humans, they can be used to banish pests of packaged foods such as the red flour beetle and the confused flour beetle. Mr. Arthur evaluated the effect a volatile formulation of hydroprene, an igr, has on the pests. Larvae of both beetle species often failed to moult to the adult stage. Of the insects that made it past the stunted-growth hurdle, most were deformed and died soon after. The study assumes signifi­cance in the light of increased restric­tions of the use of pesticides. Contact: Ms. Rosalie Bliss, United States Department of Agriculture, United States of America. Tel: +1 (301) 504 4318; e-mail: rbliss@ars.usda.gov (website: www.foodonline.com)

 
New Technology Extends Shelf-life of Agri Products
 

Maxtendtm system is a new tech­nique developed by a team at Queens­land Department of Primary Industries, Australia, to help extend the shelf-life of Fruits and vegetables. This system con­verts a standard refrigerated container into one with a modified atmosphere. The lightweight and cost-effective unit fea­tures complete monitoring, adjustment and control of the optimum atmosphere for fresh produce storage. It can also provide a log of the container's journey. MAXtend allows producers to maximize the storage life of their fresh produce and thereby reach new markets that were pre­viously excluded because of time or dis­tance. It can tailor the atmosphere to suit specific products and also produces less moisture loss, thus resulting in firmer, fresher fruit with less wilt. (website: www.foodaust.com.au)

 
Fruit Chips Lend Nutrition
 

Brookside foods, canada, has de­veloped fruit chips that offer food manu­facturers real fruit pieces with natural fla­vours and real fruit colours. The new products are suitable for a variety of ap­plications including cereals, snacks, low­moisture baked items, energy or nutrition bars and confectionery. The chips are made with real fruit, without using any preservatives, artificial colours or fla­vours. As they are stable at room tempera­ture, no refrigeration is required. Avail­able in custom-size pieces, flavour profile or fruit type, the chips are fat-free, natu­rally nutritious and flavourful. The pas­teurized chips are produced in an aib audited plant and have a shelf-life of two years. The standard size comes 1,500 pieces to the pound and are kosher-certified. Chips can be produced from a wide vari­ety of fruits including raspberry, blue­berry, strawberry, orange, passion fruit, mango, lemon, banana, pineapple, peach, apricot, cranberry, wildberry, blackberry and apple-cinnamon. Contact: brook-side foods, 2372, Town Line Road, Abbotsford, British Columbia V2T6H1, Canada. Tel; +1 (877) 7933 866; fax; +1 (604) 8522 715. (food ingredient news, january 2002).

 
New yoghurt alleviates diabetes
 

Skanemejerier, a Swedish com­pany, has recently introduced a yo­ghurt that contains beta glucans, which help in maintaining an even blood sugar and insulin level and also have a cho­lesterol-lowering effect. The yoghurt consists of 200 ml vanilla or natural flavour low-fat yoghurt and muesli containing 4 g of beta glucans, the water-soluble, gel-forming dietary fi­bres derived from oats.

Test results have shown that among people who had the new yo­ghurt, blood sugar increase was 35.5 percent and insulin response was 43.7 percent compared with those who did not have yoghurt in their meal.contact: skanemejerior ek. For. 205 03 maimo, sweden. Tel: +1 (40) 313900; E-mail: info@skanemejerier.se. (website:www.skanemejerier.se)

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