PRODUCTION OF FERMENTED RED BEET JUICE POWDER BY USING SPRAY AND DRUM DRIER

Bu çalışmada, pancar suyunun lezzetini artırmak ve muhafazasını kolaylaştırmak için laktofermentyöntemi ile pancar suyu üretilmiştir. Pancar suyuna Lactobacillus plantarum L2-1 ile inoküle edilmiş ve30 °C'de 72 saat inkübe edilmiştir. Fermantasyondan sonra L. plantarum sayısı 1.3x108KOB/ml olarakbelirlenmiştir. Fermente pancar suyunun pH, titrasyon asitliği, suda çözünür kuru madde, toplamşeker, invert şeker, sakkaroz içeriği ve renk gibi kalite özellikleri analiz edilmiştir. Ürünün raf ömrünüartırmak amacıyla püskürtmeli ve valsli kurutucu kullanılarak pancar tozu üretilmiştir. Ayrıca, kurutmaişlemi sırasında farklı dekstroz eşdeğerliğine sahip (%25 ve %50) maltodekstrinlerin etkisi araştırılmıştır.Daha sonra toz ürünün kalite özelliklerini belirlemek amacıyla toplam kuru madde, partikül boyutu veyığın yoğunluğu analizleri yapılmıştır. Toz ürünlerin sulandırılması ile elde edilen ürünlerin duyusalanaliz sonuçlarına göre, valsli kurutucu ile üretilen ürün diğerlerinden daha fazla beğenilmiştir

FERMENTE PANCAR SUYU TOZUNUN PÜSKÜRTMELİ VE VALSLİ KURUTUCU İLE ÜRETİMİ

In this study, red beet juice (RBJ) was produced by lacto-fermented method in order to facilitate preservationand enhance the flavor of beet juice. RBJ was inoculated with Lactobacillus plantarum L2-1 andincubated at 30 °C for 72 hours. The viable cell counts of L. plantarum culture reached 1.3x108CFU/mlafter fermentation. Quality characteristics such as pH, titratable acidity, total soluble solids, total sugar,invert sugar, sucrose content and color of fermented RBJ were determined. In order to extend the shelflife of product, the powder of RBJ was produced by using a spray and drum dryer. The effects ofmaltodextrins with different dextrose equivalent (25% and 50%) were evaluated during drying process.Then, the total dry matter, particle size, and bulk density were analyzed to determine the quality ofpowder product. According to sensory analysis of reconstituted products, powder product which wasproduced with drum dryer was most preferred product than other products

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