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Production of jambolan (Syzygium cumini Lamarck) jelly: processing, physical-chemical properties and sensory evaluation

Jambolan (Syzygium cumini Lamarck) is a purple colored and very tasty fruit. Since there are no reports of its industrial use, the production of this jelly has become a matter of interest for research. The purpose of this work is to develop and evaluate the physical-chemical and sensory characteristics of the jelly made of jambolan. The fruit showed the following chemical composition: ash, 0.34%; lipids, 0.30%; proteins, 0.67%; carbohydrates, 10.07%; fibers, 0.28%; moisture, 87.75%; fructose, 0.4%; glucose, 0.6%; total anthocyanins, 0.276%; pectic substances, 0.245%; acidity (direct titration), 5.91%; soluble solids, 9.00% and pH 3.9. The jelly showed the following composition: reducing sugars, 20.99%; non-reducing, 18.01%; total sugars, 39.00%; pH, 3.42; soluble solids, 67 °Brix; acidity (direct titration), 5.47% and moisture, 29.63%. The sensory analysis was made by a non-trained-50 member panel who evaluated the color of the attributes, appearance, aroma, texture, taste and overall evaluation on a 9-point hedonic scale. The results showed that color was the most appreciated attribute while aroma was the least appreciated. In conclusion, the sensory analysis study revealed satisfactory acceptance of jambolan jelly.

jambolan; jelly; anthocyanin; sensory analysis


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