Table 2.

Metabolic behavior of different sugars and organic acids present in the mesocarp of different fruit during growth and ripening under optimal growth conditions.

	Sugars			Organic Acids
Fruits	Glucose	Fructose	Sucrose	Citrate	Malate	Fumarate	Reference
Apple	Increase	Increase	Increase	–	Increase	–	Ackermann et al., 1992; Wu et al., 2007; Zhang et al., 2010
Banana	Increase	Increase	Decrease	–	Increase	–	Morvai and Molnár-Perl, 1992
Grape	–	–	–	–	Increase	–	Sweetman et al., 2009
Guava	Increase	No change	Traces	Increase	Traces	–	Bashir and Abu-Goukh, 2003; Jain et al., 2003; Batista Silva et al., 2018
Kiwifruit	–	–	–	–	Increase	–	Walton and Jong, 1990; Cui-Cui et al., 2018
Lemon	Increase	Increase	Decrease	Increase	No change	–	Albertini et al., 2006
Lime	No change	Increase	increase	Increase	Increase	–	Albertini et al., 2006
Melons	Increase	Increase	Increase	–	–	–	Seymour and McGlasson, 1993; Karaman et al., 2018
Orange	Increase	Increase	Increase	Increase	No change	–	Albertini et al., 2006; Guo et al., 2016; Zhou et al., 2018
Papaya	No change	No change	Traces	Decrease	–	–	González-Aguilar et al., 2003; Souza et al., 2014
Peach	Increase	Increase	Decrease	Decrease	Increase	–	Cirilli et al., 2016
Pineapple	Increase	Increase	Few changes	Increase	Few changes	–	Saradhuldhat and Paull, 2007; Luengwilai et al., 2018
Plum	No change	Increase	Decrease	Increase	Increase	Increase	Famiani et al., 2012
Strawberry	Increase	Increase	Increase	Increase	Increase	–	Rafeii, 2017; Shanmugam et al., 2017
Tomato	Increase	Increase	No change	–	Increase	Decrease	Carrari and Fernie, 2006; Centeno et al., 2011; Osorio et al., 2012, 2013
Watermelon	Increase	Increase	Increase	–	–	–	Gao et al., 2018