Domates çekirdeği ilave edilerek üretilen krakerlerin bazı kimyasal, fiziksel ve duyusal özellikleri

Öz

Çalışmada domates salçası üretim atığı olan domates çekirdeğinin krakerlerde kullanılabilirliği araştırılmıştır. Böylece birçok aktif gıda bileşeni bakımından zengin olduğu ifade edilen domates çekirdeğinin insan beslenmesine dahil olma potansiyelinin belirlenmesine çalışılmıştır. Araştırmada kontrol grubunun haricindeki krakerlerin üretiminde buğday ununa %2, %4 ve %6 oranlarında domates çekirdeği tozu ilave edilmiştir. Çalışmada, domates çekirdeği tozu ilavesiyle krakerlerin protein, yağ, kül, çözünür, çözünmeyen ve toplam diyet lifi, mineral madde oranları (Mg, Ca, K, P, Mn, Fe), toplam fenolik madde içerikleri ile antioksidan aktivite değerlerinde önemli artışların (p<0.05) olduğu tespit edilmiştir. Domates çekirdeği ilave edilen krakerlerin L ve a değerlerinin kontrol krakerden farklı (p<0.05), b değerlerinin ise benzer (p>0.05) olduğu saptanmıştır. Duyusal değerlendirmede tüm krakerlerin renk, koku ve çıtırlık özellikleri benzer bulunmuştur. Ancak, %6 domates çekirdeği ilave edilen krakerlerin lezzet ve genel beğeni puanlarında önemli (p < 0.05) düşüş olduğu tespit edilmiştir.

Anahtar Kelimeler

• Kraker,domates çekirdeği,diyet lifi,fenolik madde,mineral

Some chemical, physical and sensory properties of soda crackers supplemented with tomato seed

Abstract

In this study, the potential use of tomato paste waste material tomato seed in crackers was studied. Thus, it was studied to determine the usability of tomato seeds which were known as rich in active food ingredients in human nutrition. During the production of cracker, wheat flour was partially (2%, 4% and 6%) substituted with tomato seed meal. In the study, it was found that substitution of tomato seed meal into wheat flour caused a significant (p<0.05) increase in protein, oil, ash, soluble, insoluble and total dietary fiber contents, minerals
(Mg, Ca, K, P, Mn, Fe), total phenolics and antioxidant capacity values. Cracker samples having tomato seed had significantly different (p<0.05) L and a values, and similar (p>0.05) b values with control crackers. Color, flavor and crispiness values of all crackers were similar in sensory evaluation. But crackers having 6% of tomato seed meal received significantly (p<0.05) lower scores in flavor and overall acceptability.

Keywords

• Cracker,tomato seed,dietary fiber,phenolics,mineral

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