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YSG Broth 500 grams/bottle

SKU
CDL/2100
Brand
CONDALAB
Pre-order (Deliver in 8 to 12 weeks)
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YSG Broth is formulated for the detection of Alicyclobacillus in fruit juices. Alicyclobacillus is a genus of Gram-positive, rod-shaped, spore-forming bacteria. This bacteria is able to grow in acidic conditions, while the spores are able to survive typical pasteurization procedures. Alicyclobacillus are strictly aerobic, acidophilic, thermophilic, soil-dwelling organisms, with an optimum growth at temperatures between 42-60 ºC at a pH of 3,5-4,5 (growth range pH 2,2-5,8). Their spores survive for long periods in fruit concentrates and similar environments. Glucose is the fermentable carbohydrate providing carbon and energy. Yeast extract is source of vitamins, particularly the B-group. Soluble starch acts as a growth factor, functioning like a colloid protector and neutralizes toxic products that form during the development of the organisms. pH value and the high incubation temperature inhibit the contaminating flora. Spoilage of shelf-stable fruit juice products by Alicyclobacillus bacteria can be very costly. It is therefore important that concentrates and other raw materials are screened for spores of these taint producers to reduce the risk of spoilage of processed products. Its presence in packaged products can cause flavour alterations. They do not produce gas or cause any change in the appearance of the beverage container, and therefore the spoilage is discovered only when the consumer opens and begins to consume the product. Fortunately, Alicyclobacillus are not pathogenic bacteria.
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Brand CONDALAB
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