Citation
Norfarzana Hamzah, . and Nurul Shazini Ramli, . and Iffah Haifaa Mat Deris, . and Moses, Christopher and Ezzat Mohamad Azman, . (2024) Effect of preharvest treatment using jasmonic acid and methyl jasmonate on the physicochemical properties and antioxidant activities of red-fleshed dragon fruit (Hylocereus polyrhizus L.). Pertanika Journal Tropical Agricultural Science (Malaysia), 47 (2). 439 -459. ISSN 1511-3701
Abstract
This study investigated the effect of exogenous plant growth regulators (PGR), namely jasmonic acid (JA) and methyl jasmonate (MeJA), on the physicochemical properties of flesh and peels of red-fleshed dragon fruit (Hylocereus polyrhizus). The fruit was sprayed with 100 and 1,000 ppm of JA and MeJA at 15 and 22 days of anthesis and harvested after 35 days. Then, the flesh and peels were analyzed for total soluble solids (TSS), total betacyanins, betanin, total phenolics (TP), total flavonoids (TF), and color characteristics. The fruit peels contained significantly higher (p<0.05) TP and antioxidant activities compared to flesh. No significant difference was detected between the variables in the peels, except for significantly higher (p<0.05) of total betacyanins (~295.6 and ~299.9 mg/100 g) and TP (~614.1 and 566.1 mg GAE/100 g) were recorded in control and 100 ppm MeJA, respectively. In the flesh, 1,000 ppm MeJA-treated fruit possessed the highest total betacyanins (~139.2 mg/100 g), betanin (~356.0 mg/g), TP (~244.9 mg GAE/100 g), TF (~329.0 mg CE/100 g), Trolox equivalent antioxidant capacity (TEAC) (63.2 µmol TE/g) and reducing power (~21.5 µmol TE/g). Overall, 1,000 ppm MeJA was more effective in enhancing the accumulation of bioactive compounds and antioxidant activities in the flesh of red-fleshed dragon fruit compared to other PGR treatments.
Download File
Full text available from:
Official URL: http://www.pertanika.upm.edu.my/resources/files/Pe...
|
Abstract
This study investigated the effect of exogenous plant growth regulators (PGR), namely jasmonic acid (JA) and methyl jasmonate (MeJA), on the physicochemical properties of flesh and peels of red-fleshed dragon fruit (Hylocereus polyrhizus). The fruit was sprayed with 100 and 1,000 ppm of JA and MeJA at 15 and 22 days of anthesis and harvested after 35 days. Then, the flesh and peels were analyzed for total soluble solids (TSS), total betacyanins, betanin, total phenolics (TP), total flavonoids (TF), and color characteristics. The fruit peels contained significantly higher (p<0.05) TP and antioxidant activities compared to flesh. No significant difference was detected between the variables in the peels, except for significantly higher (p<0.05) of total betacyanins (~295.6 and ~299.9 mg/100 g) and TP (~614.1 and 566.1 mg GAE/100 g) were recorded in control and 100 ppm MeJA, respectively. In the flesh, 1,000 ppm MeJA-treated fruit possessed the highest total betacyanins (~139.2 mg/100 g), betanin (~356.0 mg/g), TP (~244.9 mg GAE/100 g), TF (~329.0 mg CE/100 g), Trolox equivalent antioxidant capacity (TEAC) (63.2 µmol TE/g) and reducing power (~21.5 µmol TE/g). Overall, 1,000 ppm MeJA was more effective in enhancing the accumulation of bioactive compounds and antioxidant activities in the flesh of red-fleshed dragon fruit compared to other PGR treatments.
Additional Metadata
| Item Type: | Article |
|---|---|
| AGROVOC Term: | dragon fruits |
| AGROVOC Term: | flavonoids |
| AGROVOC Term: | fruit peels |
| AGROVOC Term: | preharvest treatment |
| AGROVOC Term: | spraying |
| AGROVOC Term: | analysis |
| AGROVOC Term: | jasmonic acid |
| AGROVOC Term: | methyl jasmonate |
| AGROVOC Term: | bioactive compounds |
| AGROVOC Term: | colour |
| Geographical Term: | Malaysia |
| Uncontrolled Keywords: | Betacyanins, fruit preservation, pitaya, plant growth regulator, plant hormone, shelf life extension, sustainable agriculture |
| Depositing User: | Ms. Azariah Hashim |
| Date Deposited: | 19 Mar 2026 02:27 |
| Last Modified: | 19 Mar 2026 02:27 |
| URI: | http://webagris.upm.edu.my/id/eprint/2909 |
Actions (login required)
 |
View Item |
