Comparative Estimation of Nutritionally Important Chemical Constituents of Red Seaweed, Gracilariopsis longissima, Affected by Different Drying Methods

Table 2

Amino acids composition (% dry weight) of dried red seaweed, Gracilariopsis longissima, by different processed methodologies.

Amino acids (% dry wt.)	Drying method
	Freeze dried	Oven dried	Sun dried
Aspartic acid	1.94 ± 0.03^a	1.15 ± 0.01^c	1.27 ± 0.01^b
Glutamic acid	2.36 ± 0.02^c	2.68 ± 0.02^a	2.49 ± 0.01^b
Serine	1.80 ± 0.01^a	0.94 ± 0.00^c	1.25 ± 0.00^b
Glycine	1.96 ± 0.02^a	1.59 ± 0.01^b	1.37 ± 0.01^c
Histidine	2.01 ± 0.01^b	1.75 ± 0.01^c	2.39 ± 0.02^a
Arginine	1.95 ± 0.01^a	1.85 ± 0.02^b	1.80 ± 0.01^c
Threonine	2.75 ± 0.01^a	1.58 ± 0.01^b	1.56 ± 0.00^b
Alanine	1.55 ± 0.02^b	2.17 ± 0.03^a	2.15 ± 0.01^a
Proline	Nd	Nd	Nd
Tyrosine	3.48 ± 0.03^b	3.60 ± 0.02^a	3.43 ± 0.02^b
Valine	2.08 ± 0.01^a	1.79 ± 0.01^b	1.65 ± 0.01^c
Methionine	1.75 ± 0.01^a	0.9 ± 0.00^c	0.99 ± 0.00^b
Cysteine	Nd	Nd	Nd
Isoleucine	2.89 ± 0.02^b	2.96 ± 0.03^a	2.61 ± 0.02^c
Leucine	1.80 ± 0.03^a	1.80 ± 0.02^a	1.71 ± 0.03^b
Phenylalanine	Nd	Nd	Nd
Lysine	2.16 ± 0.02^c	2.84 ± 0.02^a	2.28 ± 0.01^b
TAA	30.48 ± 0.06^a	27.60 ± 0.03^b	26.95 ± 0.02^c
EAA/non-EAA	1.64 ± 0.01^a	1.65 ± 0.02^a	1.61 ± 0.01^b

Mean values and standard deviation of measurements for the three replicates. Nd, not determined. Different superscripts in a row differ significantly ( < 0.05).