Table 5.
Red algae | Purification method/s | Characteristics | Reference(s) | ||||||
---|---|---|---|---|---|---|---|---|---|
Molecular weight/subunits | pI | pH optima | Temperature optima | Carbohydrate content | EDTA/divalent ion requirement | Amino acids | |||
Agardhiella tenera | Sephadex gel filtration | Monomer, 13 kDa | 6.10 | 4–10 | 50 °C | 2.7% | N.R. | Gly, Ser, Thr rich | Shiomi et al. (1979) |
Aglaothamnion callophyllidicola | Fetuin-agarose affinity chromatography | Dimer, 50 and 14 kDa | – | – | – | – | – | – | Shim et al. (2012) |
Acrocystis nana a | – | – | – | 6–7 | 30 °C | – | Ca2+ and Mn2+ | – | Anam et al. (2017a) |
Bryothamnion seaforthii |
DEAE-cellulose chromatography | Monomer, 4.5 kDa | – | – | 90 °C | 3.2% | N.R. | – | Ainouz et al. (1995) |
B. triquetrum | DEAE-cellulose chromatography | Monomer, 3.5 kDa | – | – | 90 °C | 3.8% | N.R. | – | Ainouz et al. (1995) |
Carpopeltis flabellata | Sephadex gel filtration | – | – | 7–9 | 30 °C | – | N.R. | – | Hori et al. (1986a) |
C. flabellata | Yeast mannan-Sepharose 4B affinity chromatography, gel permeation HPLC | Monomer, 25 kDa | 6.60–6.80 | 7–10 | 30 °C | – | N.R. | Gly, Asx rich | Hori et al. (1987, 1990) |
Cystoclonium purpureum | Gel filtration, DEAE Sephadex column chromatography | Dimer, 6.2 kDa | 5.60 | 4–10 | 50 °C | 5.6% | N.R. | Gly, Ser rich | Kamiya et al. (1980) |
Enantiocladia duperreyi | DEAE-Cellulose, α-lactose-agarose affinity chromatography | Monomer, 16 kDa | – | – | 50 °C | 6.5% | Ca2+ and Mn2+ | – | Benevides et al. (1998) |
Eucheuma amakusaensis | Superdex gel filtration, DEAE-Toyopearl ion exchange | Monomer, 29 kDa | (4.95,5.20,5.50)b | – | – | Nil | – | Glx, Asx, Gly, Ser rich | Kawakubo et al. (1999) |
E. cottonii | Superdex gel filtration, DEAE-Toyopearl ion exchange | Monomer, 29 kDa | (5.05,5.10)b | – | – | Nil | – | Glx, Asx, Gly, Ser rich | Kawakubo et al. (1999) |
E. serra | Superdex gel filtration, DEAE-Toyopearl ion exchange | Monomer, 29 kDa | (4.75,4.95)b | 2.5–10.5 | 60 °C | Nil | N.R. | – | Kawakubo et al. (1997) |
Georgiella confluens | DEAE-Sephacel ion exchange, affinity chromatography | Monomer, 21.5 kDa | – | – | 80 °C | – | N.R. | – | Souza et al. (2010) |
Gracilaria bursa-pastoris | Sephadex gel filtration | – | – | 7 | 30–40 °C | – | N.R. | – | Hori et al. (1986a) |
G. cornea | Phenyl-Sepharose CL-4B hydrophobic chromatography, affinity chromatography | Monomer, 60 kDa | 4.30 | – | 40 °C | 52.5% | N.R. | – | Lima et al. (2005) |
G. ornata | DEAE-cellulose ion exchange, mucin-Sepharose 4B affinity chromatography | Monomer, 17 kDa | 5.40 | – | 50 °C | 2.9% | N.R. | Asx, Glx, Ser, Glu, Ala, Cys rich | Leite et al. (2005) |
G. fisheri a | – | – | – | – | 50 °C | – | Mn2+ | – | Boonsri et al. (2017) |
G. tikvahiae | DEAE-trisacryl ion exchange chromatography, sephadex gel filtration and hydroxylapatite chromatography | Dimer, 29.7 and 24.9 kDa | – | – | – | – | N.R. | – | Chiles and Bird (1990) |
G. verrucosa | DEAE-cellulose chromatography, sephadex chromatography | Tetramer, 2 subunits, 12 and 10.5 kDa | 4.80 | 4–12 | 40 °C | – | N.R. | Asp, Glu rich | Shiomi et al. (1981) |
G. verrucosa c | DEAE-Toyopearl ion exchange, gel filtration | 76 to 359 kDa, diffused band | – | 5–10 | 100 °C | 6.2e | N.R. | – | Kakita et al. (1997) |
G. verrucosa d | DEAE-Toyopearl ion exchange, gel filtration | 71 kDa, diffused band | – | 5–10 | 100 °C | 6.2e | N.R. | – | Kakita et al. (1999) |
Griffithsia sp. | Hydrophobic chromatography, anion exchange chromatography, reversed-phase chromatography, and size exclusion chromatography | Monomer, 13 kDa | – | – | – | – | – | – | Mori et al. (2005) |
Hypnea cervicornis | DEAE-Sephacel ion exchange, reversed-phase high-performance liquid chromatography | Monomer, 9 kDa | – | – | – | – | – | Gly, Cys rich | Nascimento et al. (2006) |
H. japonica a | – | – | – | 3–9 | 50–90 °C | – | N.R. | – | Hori et al. (1986a) |
H. japonica | Reversed-phase and gel permeation high-performance liquid chromatography | (Monomer, 4.2 kDa, dimer, 4.2 kDa, dimer, 4.2 kDa, monomer, 12 kDa)f | 4.30 | – | – | – | N.R. | Ser, Gly rich | Hori et al. (1986b, 1990) |
H. japonica | Toyopearl gel filtration, reverse phase HPLC | Monomer, 8.5–9.5 kDa | – | – | – | – | – | Ser, Gly, Pro rich, 4 Cys residues | Hori et al. (2000) |
H. musciformis | DEAE-Cellulose ion exchange chromatography, RP-HPLC | Monomer, 9.3 kDa | – | – | – | – | – | – | Nagano et al. (2002) |
Kappaphycus alvarezii | Ion exchange chromatography | Monomer, 28 kD | – | 3–10 | 50 °C | – | N.R. | – | Le et al. (2009) |
K. striatum | Ion exchange chromatography | Monomer, 28 kDa | – | 3–10 | 60 °C | – | N.R. | – | Hung et al. (2011) |
Palmaria palmata | DEAE-Sephacel ion exchange, sephadex gel filtration, hydroxyapatite chromatography | Dimer, 20 kDa | 4.60 | 6–10 | 60 °C | – | N.R. | Ser, Gly, Asp rich | Kamiya et al. (1982) |
Pterocladiella capillacea | Guar gum affinity chromatography | Monomer, 5.8 kDa | – | 7–10 | 60 °C | Nil | N.R. | – | Oliveira et al. (2002) |
Ptilota filicina | Affinity chromatography | Trimer, 19.3 kDa | – | 4–9 | 50 °C | – | Ca2+,Mg2+ or Mn2+ | Thr, Asp, Gly rich | Sampaio et al. (1998) |
P. plumosa | Affinity chromatography | Trimer, 17.4 kD | – | – | – | – | – | Ala, Gly, Val rich | Sampaio et al. (2002) |
P. serrata | Affinity chromatography | Trimer, 18.3 kDa | – | 6–8 | 80 °C | – | Ca2+, Mg2+ or Mn2+ | Ala, Val, Leu, Glu rich | Sampaio et al. (1999) |
Serraticardia maxima | Sephacryl gel filtration | Monomer, 25 kDa | – | 5–9 | – | – | N.R. | – | Shiomi et al. (1980) |
Solieria chordalis | Affinity adsorption | Monomer, 35 kDa | – | – | – | – | – | – | Rogers and Topliss (1983) |
S. filiformis | DEAE-Sephacel ion exchange | 28 kDa | – | – | – | – | – | – | Chaves et al. (2017) |
S. robusta | Gel filtration, ion exchange HPLC | Monomer, 29 kDa | (4.30, 4.20, 4.10)b | 6–10 | 40 °C | – | N.R. | Gly, Asx, Glx rich | Hori et al. (1988a, 1990) |
Tichocarpus crinitus | Phenyl-Sepharose hydrophobic chromatography, Superdex gel filtration | Monomer, 41 kD | 4.93 | 7–8 | 50 °C | 6.9% | N.R. | Asp, Glu, Ser, Thr, Pro, Ala rich | Molchanova et al. (2010) |
Vidalia obtusiloba | DEAE-cellulose ion exchange, guar gum affinity chromatography | Dimer, 59.6 and 15.2 kDa | 4.00–5.00 | – | 50 °C | 43.2% | Ca2+ or Mn2+ | Glu, Asp, Leu rich | Melo et al. (2004) |
NR not required
aCharacteristics of crude extract
bpI of different isolectins
cHigh molecular weight Gracilaria verrucosa haemagglutinin (H-GVH)
dLow molecular weight Gracilaria verrucosa haemagglutinin (L-GVH)
e6.2 mg hexose in 9 mg lectin
fMolecular weight of hypnins A, B, C and D