Effect of drying temperature and age of leaves on total phenolic content on Ficus deltoidea

1st International Postgraduate Conference on Mechanical Engineering

工业技术（总论）;机械制造

Jamaluddin, N.F.^1 ; Shaari, A.R.^1 ; Razak, N.A.^1

Faculty of Engineering Technology, Universiti Malaysia Perlis (UniMAP), Kampus Uniciti Alam, Sungai Chucuh, Padang Besar, Perlis

02100, Malaysia^1

关键词: Analytical methodology;    Chlorophyll contents;    Chlorophyll meters;    Dried leaves;    Drying temperature;    Methanolic extracts;    Three-level;    Total phenolic content;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/469/1/012053/pdf
DOI  :  10.1088/1757-899X/469/1/012053

学科分类：工业工程学

来源: IOP

【 摘 要 】

The objective of this research is to investigate the relationship between drying temperature and age of leaves on the total phenolic content of Ficus deltoidea leaves. The leaves were dried at 4 different temperatures which are 30, 40, 60 and 80 °C. The age of leaves is determined by using chlorophyll meter to measure the chlorophyll content and categorized into three level of age leaves. The total phenolic content of the F. deltoidea dried leaves were determined using Standard Folin-Ciocalteu (FC) analytical methodology with methanolic extracts of the samples. The result showed that the total phenolic content is highest at 40°C drying temperature and at medium-aged of leaves. It is suggested to consider drying the F. deltoidea leaves at 40-80°C and harvest at the medium-aged of leaves maturity to obtain high total phenolic content.