Table 3. Color values and soluble solids content (°Brix) of grain drinks supplemented with lactic acid bacteria-fermented purple sweet potato powder fermented by Leuconostoc inhae and Weissella koreensis

		Soluble solid (°Brix)	Color values
		Soluble solid (°Brix)	L	a	b
Leuconostoc inhae	Con¹⁾	17.17±0.05^2)d3)	58.37±0.01^a	2.70±0.02^e	14.90±0.01^a
	G1	17.17±0.05^d	56.64±0.00^b	3.71±0.00^d	13.05±0.01^b
	G2	17.60±0.08^c	55.62±0.02^c	4.72±0.01^c	11.56±0.04^c
	G3	18.00±0.00^b	54.59±0.00^d	5.58±0.02^b	10.03±0.01^d
	G4	18.13±0.05^a	53.87±0.00^e	6.41±0.02^a	9.01±0.01^e
Weissella koreensis	Con	17.13±0.05^e	58.61±0.00^a	2.71±0.02^e	14.82±0.01^a
	G1	17.33±0.05^d	56.71±0.00^b	3.41±0.02^d	13.19±0.00^b
	G2	17.83±0.05^c	55.70±0.00^c	4.00±0.03^c	11.87±0.01^c
	G3	17.97±0.05^b	55.03±0.01^d	4.66±0.02^b	10.95±0.02^d
	G4	18.17±0.05^a	53.78±0.00^e	5.08±0.01^a	9.58±0.00^e

Con, grain drink with 0% lactic acid bacteria-fermented purple sweet potato powder; G1, grain drink with 10% lactic acid bacteria-fermented purple sweet potato powder; G2, grain drink with 20% lactic acid bacteria-fermented purple sweet potato powder; G3, grain drink with 30% lactic acid bacteria-fermented purple sweet potato powder; G4, grain drink with 40% lactic acid bacteria-fermented purple sweet potato powder.
All values are mean±SD (n=3).
Diffierent superscript letters (^a-e) within the same column indicate significant differences by Duncan’s multiple range test (p<0.05).