Wolffia globosa-Based Nutritious Snack Formulation with High Protein and Dietary Fiber Contents

Wolffia globosa-Based Nutritious Snack Formulation with High Protein and Dietary Fiber Contents

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Wolffia globosa (W.globosa) or duckweed is a small aquatic plant with high protein, dietary fiber, and lipid contents that can be combined with food products to develop nutritious snacks as one strategy to mitigate malnutrition.Here, response surface methodology (RSM) with mixture design was used to develop snacks from W.

globosa freeze-dried powder (WP).The physical properties, proximate analysis, amino acid profiles, sensory evaluation, phytochemical analysis, antioxidant Bosch DIG97IM50B Serie 4 Built In 90cm 3 Speeds B Island Cooker Hood Stainless properties, and genotoxicity (Ames test) of the snacks were evaluated.The optimal W.

globosa snack formula was 64% glutinous rice flour, 10% tapioca flour, and 26% WP, giving a highly Plant Seeds desirable liking score of 1.00.Addition of WP increased crude protein, essential amino acids, and dietary fiber compared with the control snack by 51%, 147%, and 83%, respectively.

According to the Thai recommended daily intakes, the developed W.globosa snack had high protein and dietary fiber.Phytochemical contents and antioxidant activities of the W.

globosa snack such as total phenolic contents (TPCs), total flavonoid contents (TFCs), ferric ion reducing antioxidant power (FRAP) activity, and oxygen radical absorbance capacity (ORAC) activity were significantly higher than the control snack.The novel combination of WP with snack product ingredients greatly enhanced nutritional value.