BIOCHEMICAL COMPOSITION AND DETERMINATION OF ADULTERATION OF BLACK MULBERRY EXTRACTS

Öz

Black mulberry is crucial for its high content of bioactive substances, such as phenolic compounds and vitamin C, as well as nutritional values, such as carbohydrates, fats, fibre and minerals. This study aimed to determine the physical, biochemical and nutritional properties of 35 different brands of black mulberry extracts sold in our country. Consequently of the studies, it was observed that some of the extracts sold in our country had a very high HMF value; most of them contained no protein and additional maltose and derivatives. In addition, all of these black mulberry extracts were low in minerals and contained additional sweeteners, preservatives and synthetic colourings. Synthetic colourings were found in many of these black mulberry extracts and carbon 13 levels were not appropriate. When BME-34 and 35 brands of black mulberry extract were analysed, all of the above values were appropriate, and consistent with previous studies in the literature.

Anahtar Kelimeler

• Black Mulberry
• Fruit Extract
• Food

KARADUT ÖZLERİNİN BİYOKİMYASAL BİLEŞİMİ VE TAĞŞİŞİN BELİRLENMESİ

Öz

Karadut, içeriğindeki yüksek miktarda fenolik bileşikler ve C vitamini gibi biyoaktif maddelerin yanı sıra karbohidrat, yağ, lif, mineral gibi besleyici değerlerden dolayı önemlidir. Bu çalışmada ülkemizde satışı yapılan 35 farklı marka karadut özlerinin fiziksel, biyokimyasal ve besinsel özelliklerinin belirlemesi amaçlanmıştır. Yapılan çalışmalar sonucunda ülkemizde satışı yapılan karadut özlerinin bazılarında HMF değerinin çok yüksek olduğu, birçoğunun protein içermediği ve ilave maltoz ve türevlerini içerdiği görülmüştür. Ayrıca bu karadut özlerinin tamamının mineralce fakir olduğu, ilave tatlandırıcı, koruyucu ve sentetik boya içerdiği tespit edilmiştir. Bu karadut özlerinin birçoğunda sentetik boyaya rastlanmış ve karbon 13 değerlerinin de uygun olmadığı görülmüştür. BME-34 ve 35 marka karadut özü incelendiğinde ise yukarıda bahsedilen tüm değerlerin uygun olduğu ve literatürle de benzer sonuçlar verdiği görülmüştür. Sonuç olarak ülkemizde karadut özü olarak satılan ürünlerin hileli bir ürün olduğu tespit edilmiştir.

Anahtar Kelimeler

• Karadut
• Meyve Özü
• Gıda

Kaynakça

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