Physiological and Biochemical Changes During the Growth of Custard Apple ( L.) Fruit Cultivated in Vietnam

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Physiological and Biochemical Changes During the Growth of Custard Apple (Annona squamosa L.) Fruit Cultivated in Vietnam

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| Dec 31, 2021

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Time of fruit growth	α-amylase activity (UI·g⁻¹·h⁻¹)	Catalase activity (µM H₂O₂·g⁻¹·min⁻¹)	Peroxidase activity (UI·g⁻¹·s⁻¹)
week 3	0.032^g ± 0.001	2.083^g ± 0.440	0.097^g ± 0.003
week 5	0.055^f ± 0.004	2.917^fg ± 0.830	0.125^f ± 0.012
week 7	0.076^ef ± 0.006	6.792^ce ± 0.923	0.167^e ± 0.017
week 9	0.093^e ± 0.007	10.833^ab ± 1.167	0.193^e ± 0.009
week 11	2.460^d ± 0.017	11.542^a ± 1.261	0.226^d ± 0.006
week 13	9.958^c ± 0.232	9.958^bc ± 1.032	0.403^cd ± 0.003
week 14	11.917^ab ± 0.83	8.917^c ± 0.830	0.505^c ± 0.022
week 15	12.208^a ± 0.950	5.208^e ± 0.650	0.796^b ± 0.013
week 16	11.167^b ± 0.88	3.167^f ± 0.88	0.858^a ± 0.026

Time of fruit growth	Reducing sugar content (% of fresh fruit weight)	Starch content (% of fresh fruit weight)	Tannin content (% of dried fruit weight)
week 3	1.633^e ± 0.087	2.444^f ± 0.042	11.400^a ± 0.641
week 5	1.181^f ± 0.082	2.111^f ± 0.020	10.961^a ± 0.928
week 7	0.830^g ± 0.042	1.143^h ± 0.029	8.730^b ± 0.420
week 9	1.175^f ± 0.050	3.249^e ± 0.030	5.820^c ± 0.210
week 11	1.783^e ± 0.104	6.003^c ± 0.104	4.244^d ± 0.121
week 13	2.072^d ± 0.023	10.011^a ± 0.511	2.037^e ± 0.151
week 14	5.136^c ± 0.047	8.692^b ± 0.403	1.407^f ± 0.253
week 15	10.972^b ± 0.308	4.819^d ± 0.687	0.728^g ± 0.042
week 16	13.577^a ± 0.331	1.795^g ± 0.062	0.582^g ± 0.035

Time of fruit growth	Chlorophyll a (mg·g⁻¹ fresh peel)	Chlorophyll b (mg·g⁻¹ fresh peel)	Chlorophyll (a+b) (mg·g⁻¹ fresh peel)	Carotenoid content (mg·g⁻¹ fresh peel)
week 3	0.011^f ± 0.001	0.025^g ± 0.002	0.036^h ± 0.001	0.014^e ± 0.002
week 5	0.020^e ± 0.002	0.037^f ± 0.001	0.057^g ± 0.001	0.016^de ± 0.002
week 7	0.027^d ± 0.002	0.064^d ± 0.002	0.091^e ± 0.002	0.016^de ± 0.001
week 9	0.036^c ± 0.003	0.076^c ± 0.001	0.112^c ± 0.005	0.017^e ± 0.001
week 11	0.041^b ± 0.001	0.086^b ± 0.002	0.127^b ± 0.003	0.019^d ± 0.002
week 13	0.046^a ± 0.001	0.095^a ± 0.002	0.141^a ± 0.001	0.027^c ± 0.003
week 14	0.040^b ± 0.001	0.061^d ± 0.003	0.101^d ± 0.003	0.051^b ± 0.004
week 15	0.025^d ± 0.001	0.051^e ± 0.002	0.077^f ± 0.002	0.065^a ± 0.002
week 16	0.021^e ± 0.002	0.020^h ± 0.002	0.041^g ± 0.002	0.063^a ± 0.004

Time of fruit growth	Proteins content (% of dried fruit weight)	Lipids content (% of dried fruit weight)	Total organic acids content (mg·100 g⁻¹ fresh fruit)	Vitamin C content (mg·100 g⁻¹ fresh fruit)
week 3	11.175^a ± 1.281	11.450^a ± 1.304	97.917^a ± 1.102	32.467^b ± 2.897
week 5	9.812^b ± 1.002	9.583^b ± 1.287	78.333^b ± 2.205	22.125^de ± 1.654
week 7	8.718^c ± 0.987	8.718^bc ± 1.334	59.167^c ± 3.835	18.667^ef ± 1.376
week 9	8.618^c ± 0.930	8.127^c ± 1.311	53.750^cd ± 2.722	20.680^e ± 2.684
week 11	8.268^dc ± 0.810	7.789^dc ± 0.959	49.583^d ± 4.463	24.267^d ± 2.230
week 13	7.925^d ± 0.821	7.512^d ± 0.870	43.750^de ± 3.715	26.133^cd ± 2.467
week 14	7.868^d ± 0.645	6.896^de ± 0.852	36.250^e ± 4.722	27.267^bc ± 3.450
week 15	7.181^de ± 0.694	6.320^e ± 0.572	29.667^f ± 3.833	36.200^a ± 3.336
week 16	6.150^e ± 0.536	4.588^f ± 0.169	22.860^g± 2.735	35.500^ab± 3.489

Publication timeframe:: 2 times per year
Journal Subjects:: Life Sciences, Biotechnology, Plant Science, Ecology, other