4.7 Article

Physicochemical and Nutritional Characteristics of Cookies Prepared with Untapped Seaweed Ulva intestinalis: An Approach to Value Addition as a Functional Food

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FOODS
卷 12, 期 1, 页码 -

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MDPI
DOI: 10.3390/foods12010205

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green algae; Ulva intestinalis; cookies; sensory evaluation; physicochemical and nutritional properties; functional food

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The study examined the properties of seaweed-based cookies made from untapped seaweed Ulva intestinalis from Bangladesh coast, including sensory, physicochemical, nutritional, and fatty acid properties. The cookies were formulated with different percentages of seaweed inclusions and were found to be acceptable in sensory analysis. Physicochemical properties were within acceptable limits, and nutritional analysis showed increased lipid and ash contents in the cookies. The fatty acid profile of Ulva intestinalis from Bangladesh was reported for the first time. Overall, cookies with 2.5% powdered Ulva intestinalis and 5% fragmented Ulva intestinalis can be marketed as healthy foods.
The present study was investigated to know the sensory, physicochemical, nutritional and fatty acid properties of seaweed-based cookies prepared with untapped seaweed Ulva intestinalis (UI) from Bangladesh coast. The cookies were formulated with different percentages of UI inclusions both in powdered (PUI) and fragmented (FUI) forms, in order to evaluate different quality attributes in prepared value-added cookies. In sensory analysis, seaweed inclusion levels of 1% PUI, 2.5% PUI, 1% FUI, 2.5% FUI and 5% FUI to cookies were acceptable by panelists. Considering the maximum percentage of seaweed inclusions, 2.5% PUI and 5% FUI were selected for further analysis. The results of physicochemical properties such as moisture content, spread factor, baking loss, pH, cookie density, color, texture properties, volatile basic nitrogen and thiobarbituric acid reactive species were within acceptable limits. In nutritional analysis, 2.5% PUI and 5% FUI cookies showed a remarkable and significant increase in lipid and ash contents, compared to untreated controls. Being the first report on fatty acids profile by UI from Bangladesh, among 24 fatty acids identified, the amount of total saturated, mono-unsaturated, omega-3 fatty acids and omega-6 fatty acids were reported to be 641.9 (36.2%), 563.7 (31.8%), 133.8 (7.6%) and 436.3 (24.6%) mu g/g DW, respectively. The results suggest that cookies with 2.5% PUI and 5% FUI can be marketed as healthy foods for consumers.

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