Carbohydrate, flavonoid, anthocyanin,total phenol, chlorophyll and mineral (K+) content development of wax apple fruit as affected by CPPU and NAA using swabbing technology
2023
Ahmed Bin Mohamed Sharif Hossain | Adel Mohamed Alsaif | Hassan Ahmed Rudayni | Abdulrahman Al-Hashimi | Mohammad Saad Aleissa | Rosna Mat Taha
Abstract The study was conducted to investigate the effect of CPPU(2-Chloro-4-pyridyl-phenylurea) and NAA (Naphthaleneacetic acid) on the pigments, total phenol, flavonoid and mineral (K+) content in wax apple fruit. CPPU concentrations were 10, 15 and 20ppm (Expt.1) and 6, 12, 18ppm NAA were applied coming after swabbing technique (Expt.2). In Expt.1, the lowest fruit weight, fruit size and chlorophyll content was observed in control treatment. However, the highest fruit weight, fruit size and chlorophyll (SPAD) content was found in 15ppm CPPU. The most effective concentration was 15ppm CPPU for the earlier fruit maturity (color development) compared to other concentrations. Moreover, flavonoid, fructose, inverted sugar, total phenol and K+ were higher in 15ppm CPPU than control, 10 and 20ppm CPPU. In addition, anthocyanin was found increasing trend while developing the fruit maturity represented by color development. In Expt.2, chlorophyll was higher in 15ppm CPPU than control, 6, 18ppm NAA. Furthermore, flavonoid, fructose, inverted sugar, total phenol and K+ content were higher in 12ppm NAA than control, 6 and 18ppm NAA. Besides, the maximum anthocyanin was found in 12ppm NAA. Finally it seemed that 15ppm CPPU and 12ppm NAA were the best concentration for fruit growth and biochemical contents development in wax apple.
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