Development and acceptability of nutribar with Gynura procumbens powder
Keywords:
Gynura procumbens, nutribar, physico-chemical properties, organoleptic properties, sensory evaluationAbstract
The Philippines is rich in medicinal plants. One of these is the herb Gynura procumbens which is known to contain amino acids, carotenoids, alkaloids and many essential oils which are bioactive elements that have a wide range of therapeutic applications. The herb also contains anticancer properties and while it is available locally, it is often disregarded by people especially those who are not aware of its nutritional benefits. This study aimed to develop a nutribar with powdered Gynura procumbens and determine its general acceptability. Specifically, it sought to determine the physical properties and characteristics of Gynura procumbens plant, the organoleptic properties and the levels of acceptability of the developed Gynura procumbens nutribar from varied proportions of Gynura procumbens powder, and the physico-chemical properties and nutrient contents of the identified best formulation of nutribar. The researchers used experimental research approach to develop the nutribar with Gynura procumbens powder and descriptive-evaluative approach to determine its organoleptic properties and acceptability. Physico chemical and nutrient analyses were conducted to determine physical and chemical properties of the nutribar while, a nine-point hedonic scale was specifically used to determine the level of acceptability of the various formulations of nutribar. Three formulations of nutribar, Treatment A (w/25% Gynura powder), Treatment B (w/50% Gynura powder) and Treatment C (w/100% Gynura powder), were prepared and evaluated in this study. Based on the sensory analysis, the formulation with 25% Gynura procumbens powder (Treatment A) had the highest rate of acceptability in terms of appearance, aroma, texture and taste. All formulations were described Liked Moderately by the respondents. Results of the study also showed that the physico-chemical properties of nutribar with Gynura procumbens powder in terms of moisture, ash, crude protein, crude fiber, crude fat and nitrogen free extract were 7.24%, 1.32%, 5.35%, 2.45%, 13.71% and 69.93% respectively. The nutrient analysis yielded the following results; carbohydrates, 72.38 g/100g, iron 48.41 mg/kg, potassium, 3534.01 mg/kg and vitamin A, 3.0 IU/g. Conclusively the developed nutribar with Gynura procumbens powder contains essential nutrients and has a high potential of being introduced to the market.
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