Spray Dried Extract of Phormidium valderianum as a Promising Source of Natural Antioxidant

Table 1

Yield and phytochemical properties of algal extracts encapsulated under different conditions.

Run number	Conc. of maltodextrin; (%)	Conc. of gum arabic; (%)	Inlet temperature; (°C)	Outlet temperature; (°C)	Yield of powder; (%)^a	IC50 of DPPH radical scavenging assay; (mg/mL)^a	Reducing power; (mg BHT equivalent/g powder)^a	Total phenolic content; (g gallic acid equivalent/g powder)^a	Surface binding of bioactive compounds; (%)^a
1	80	20	170	125
2	80	20	130	90
3	80	20	85	60
4	70	30	170	128
5	70	30	130	95
6	70	30	85	62
7	60	40	170	125
8	60	40	130	95
9	60	40	85	64

^aYield of encapsulated powder, IC₅₀ values of DPPH radical scavenging assay, reducing power, total phenolic content, and surface bindings (%) of the encapsulated algal extracts are mean ± SD of three experimental runs.
Different letters in a column indicate significant difference at level.