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. Author manuscript; available in PMC: 2019 Nov 15.
Published in final edited form as: Biotechnol Adv. 2018 Aug 27;36(7):1984–2016. doi: 10.1016/j.biotechadv.2018.08.008

Table 2:

Analytical data of important tree gums

Parameter GA GT GK GG KG References
Moisture (g%) 12.5–16.0 9.9 – 12.7 17 14 15.2 (Anderson and Weiping, 1992; Balaghi et al., 2011; Davidson, 1980; Gavlighi et al., 2013a, 2013b; Glicksman, 1982; Janaki and Sashidhar, 1998; Kang et al., 2015a; Katayama et al., 2008; Mahendran et al., 2008; Phillips and Williams, 2000; Tischer et al., 2002a; Verbeken et al., 2003; Vinod et al., 2010; Vinod et al., 2008a, 2008b)
Total ash (g%) 4.1 2.9 – 3.2 7 6 7.3 (Anderson and Weiping, 1992; Balaghi et al., 2011; Brito et al., 2004; Davidson, 1980; de Brito et al., 2005; Gavlighi et al., 2013a, 2013b; Glicksman, 1982; Hall, 2009; Janaki and Sashidhar, 1998; Kang et al., 2012a; Katayama et al., 2008; Le Cerf et al., 1990; Mahendran et al., 2008; Phillips and Williams, 2000; Stephen et al., 2006; Cesar A Tischer et al., 2002a; Verbeken et al., 2003; Vinod et al., 2010; Vinod et al., 2008a, 2008b; Whistler and BeMiller, 1993)
Nitrogen (g%) 0.22–0.39 0.46 −0.58 0.08 – 0.68 Not defined Not defined (Anderson et al., 1985a, 1983; Balaghi et al., 2011; Brito et al., 2004; de Brito et al., 2005; Gavlighi et al., 2013a, 2013b; Hall, 2009; Le Cerf et al., 1990; Mahendran et al., 2008; Phillips and Williams, 2000; Stephen et al., 2006; Tischer et al., 2002a; Verbeken et al., 2003; Whistler and BeMiller, 1993)
Protein (g%) 1.5 – 2.6 2.84 – 3.65 0.3 Not defined 6.3 (Anderson et al., 1985a, 1983; Balaghi et al., 2011; Brito et al., 2004; de Brito et al., 2005; Gavlighi et al., 2013a, 2013b; Hall, 2009; Janaki and Sashidhar, 1998; Le Cerf et al., 1990; Mahendran et al., 2008; Phillips and Williams, 2000; Stephen et al., 2006; Tischer et al., 2002a; Verbeken et al., 2003; Vinod et al., 2010; Vinod et al., 2008a, 2008b; Whistler and BeMiller, 1993)
Acetyl content (g%) Not defined Not defined 8 Not defined 12 (Brito et al., 2004; de Brito et al., 2005; Hall, 2009; Janaki and Sashidhar, 1998; Le Cerf et al., 1990; Stephen et al., 2006; Verbeken et al., 2003; Vinod et al., 2010; Vinod et al., 2008a, 2008b; Whistler and BeMiller, 1993)
Molecular mass (Da) 1.0 × 105 1.6 × 106 2 – 5 × 106 8.9 × 107 1.1 × 106 (Balaghi et al., 2011; Castellani et al., 2010; Deshmukh et al., 2012; Gavlighi et al., 2013a, 2013b; Ido et al., 2008; Katayama et al., 2008; Mahendran et al., 2008; Osman et al., 1995, 1993a, 1993b; Padala et al., 2009; Padil et al., 2016, 2015a, 2015b; Phillips and Williams, 2000; Randall et al., 1988; C.A. Tischer et al., 2002; Tischer et al., 2002a; Verbeken et al., 2003; Vinod et al., 2008a, 2008b)
Viscosity (dL/g) 13.2 25.9 27.9 Not defined 32.6 (Anderson et al., 1985a, 1983; Balaghi et al., 2011; Brito et al., 2004; de Brito et al., 2005; Gavlighi et al., 2013a, 2013b; Hall, 2009; Janaki and Sashidhar, 1998; Le Cerf et al., 1990; Mahendran et al., 2008; Phillips and Williams, 2000; Stephen et al., 2006; Tischer et al., 2002a; Verbeken et al., 2003; Vinod et al., 2010; Vinod et al., 2008a, 2008b; Whistler and BeMiller, 1993)
pH 5.0±0.3 5.2±0.3 4.8±0.1 4.8±0.1 4.9 – 5.0 (Anderson et al., 1985a, 1983; Balaghi et al., 2011; Brito et al., 2004; de Brito et al., 2005; Gavlighi et al., 2013a, 2013b; Janaki and Sashidhar, 1998; Le Cerf et al., 1990; Mahendran et al., 2008; Phillips and Williams, 2000; Stephen et al., 2006; Tischer et al., 2002a; Vinod et al., 2008b; Whistler and BeMiller, 1993)

Sugar composition (mol %)
Galactose 39 – 42 14 – 23 13 – 26 29 18.90 (Anderson and Weiping, 1992; Janaki and Sashidhar, 1998; Mahendran et al., 2008; Phillips and Williams, 2000; Verbeken et al., 2003; Vinod et al., 2010; Vinod et al., 2008a)
Arabinose 24 – 27 37 – 63 49 48 2.5 (Anderson and Weiping, 1992; Janaki and Sashidhar, 1998; Mahendran et al., 2008; Phillips and Williams, 2000; Verbeken et al., 2003; Vinod et al., 2010; Vinod et al., 2008a)
Rhamnose 12 −16 4.0 15 – 30 6.0 12.8 (Anderson and Weiping, 1992; Janaki and Sashidhar, 1998; Mahendran et al., 2008; Phillips and Williams, 2000; Verbeken et al., 2003; Vinod et al., 2010; Vinod et al., 2008a)
Mannose Not defined Not defined 10.0 Not defined 8.3 (Janaki and Sashidhar, 1998; Vinod et al., 2010; Vinod et al., 2008a, 2008b)
Glucose Not defined Not defined Not defined Not defined 7.84 (Janaki and Sashidhar, 1998; Vinod et al., 2010; Vinod et al., 2008a, 2008b)
Glucuronic acid 15 – 16 3 – 12 110.0 10.0 16.2 (Anderson et al., 1985a, 1983; Balaghi et al., 2011; Brito et al., 2004; de Brito et al., 2005; Gavlighi et al., 2013a, 2013b; Hall, 2009; Janaki and Sashidhar, 1998; Le Cerf et al., 1990; Mahendran et al., 2008; Phillips and Williams, 2000; Stephen et al., 2006; Tischer et al., 2002a; Verbeken et al., 2003; Vinod et al., 2010; Vinod et al., 2008a, 2008b; Whistler and BeMiller, 1993)
Galacturonic
acid
Not defined 3 – 11 15– 28 Not defined 10.5 (Janaki and Sashidhar, 1998; Vinod et al., 2010; Vinod et al., 2008a, 2008b)