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article · International Journal of Food Studies

Production of camel milk yoghurt: physicochemical and microbiological quality and consumer acceptability

In plain language

A formulation for producing yoghurt of acceptable consistency from camel milk was developed using gelatin, bovine skim milk powder, calcium chloride, maple strawberry syrup, and yoghurt culture, incubated at 42 degrees Celsius for 18 hours. The resulting camel milk yoghurt was evaluated against cow milk yoghurt across physicochemical, microbiological, and sensory parameters. Both yoghurt types showed comparable values for moisture, ash, syneresis, pH, and total solids, although camel milk yoghurt displayed significantly higher titratable acidity. Testing confirmed that coliform bacteria were absent in both products. However, sensory evaluations showed that panellists preferred cow milk yoghurt over camel milk yoghurt. Preparing yoghurt from camel milk using standard cow milk procedures proved difficult. The findings indicate that future efforts must optimise operating parameters, standardise production techniques, and evaluate locally available flavouring agents to improve consumer acceptability.

Key takeaways

  • Camel milk yoghurt of acceptable consistency was produced using gelatin, bovine skim milk powder, calcium chloride, syrup, and an 18-hour incubation.
  • Camel milk yoghurt exhibited significantly higher titratable acidity than cow milk yoghurt, but other physicochemical properties remained comparable.
  • Coliform bacteria were not detected in either the camel milk or cow milk yoghurts.
  • Panellists in sensory evaluations preferred cow milk yoghurt over the camel milk yoghurt.
  • Further research is required to standardise production methods, optimise parameters, and test local flavouring agents.

Why it matters

Camel milk provides an alternative dairy source, but transforming it into fermented goods like yoghurt presents technical processing challenges. Establishing baseline formulations helps food scientists understand how camel milk behaves under fermentation and identifies specific taste and textural barriers that must be addressed before such products can successfully compete with conventional dairy offerings.

Commercialisation angle

This work is relevant to commercial dairies and food processors exploring alternative milk product lines. The technology is in the early-stage research phase. While a workable formulation was demonstrated, the product required multiple stabilising additives and was less preferred by consumers than cow milk yoghurt. Moving toward commercialisation will require optimising operating conditions, standardising manufacturing methods, and identifying consumer-acceptable local flavourings.

AI-generated from the published abstract. Always read the original work before citing.

Abstract

<p>The objectives of this study were to make yoghurt from camel milk and determine its physicochemical, microbiological and sensory qualities. The quality of camel milk yoghurt was compared with cow milk yoghurt and all parameters were analyzed following standard procedures. Yoghurt of acceptable consistency was made from camel milk using 1.2% gelatin, 5% bovine skim milk powder, 1.5 ml/L of calcium chloride, 40 ml/L of maple strawberry syrup and 6% yoghurt culture (YF-L811) and by incubating the milk at 42°C for 18 h. The average values for moisture, ash, syneresis, pH, titratable acidity and total solids of camel milk yoghurt were 83.4%, 1.13%, 58%, 4.37, 1.255% lactic acid and 16.7%, respectively. The corresponding values for cow milk yoghurt were 80.6%, 0.71%, 56%, 4.67, 0.865% lactic acid and 19.5%, respectively. The titratable acidity of camel milk yoghurt was significantly higher (P<0.05) than cow milk yoghurt; however, no significant difference was observed between the two yoghurt types for the other parameters. Coliforms were not detected in both yoghurt types. The sensory analysis showed that cow milk yoghurt was more preferred by the panellists than camel milk yoghurt. Production of yoghurt from camel milk using the same procedure as for cow milk yoghurt proved to be difficult.  Further research is called for to improve the acceptability of camel milk yoghurt using locally available and acceptable flavouring agents. Research needs to be conducted to optimize the operating parameters and standardize the production procedures of camel milk yoghurt in the future.</p>

Research topics

  • Animal Diversity and Health Studies
  • Bee Products Chemical Analysis
  • Probiotics and Fermented Foods

Read the original research

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DOI: 10.7455/ijfs/7.2.2018.a5

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