The usage of herbal medicinal is still the widespread among society today in their daily lives. This is mostly due to the tradition of our ancestors who really relied on traditional medicine to cure diseases and improve their intelligence. Next, herbal plants are said to have more and better nutrients and nourishment than modern medicine. This is because the compound have been mixed with the use of other chemicals to produce medicines. Centella asiatica (pegaga) is an herbal plant that is commonly heard about its benefits both internally and externally. However, scientific research is needed to prove its benefits. Thus, the society do not clarified much on the actual nutrients thoroughly. Besides that, Centella asiatica is generally known to come from the Apiaceae family and this plant is an important plant with a wide range of traditional, medicinal and therapeutic values. This plant has it own speciality or strong point in which it is choosen to be mentioned in the Quran. To prove its efficacy, a spectroscopy analysis of Centella asiatica extract was performed using ATR-FTIR. The use of Centella asiatica samples has also been diversified into leaf part and stem part. This is to compare the nutrient content in the leaves. The results from this research is that Centella asiatica leaves do have antimicrobial compound. Therefore, the usage of Centella asiatica leaves in society needs to be expanded so that its nutrients can be utilized to the maximum for the benefit of the people and improvement to the national economy.

Ziziphus mauritiana is locally known as Bidara that belongs to Rhamnaceae family which is a herbal plant that believed originated from Indo-Malaysian region of South-East Asia. It is commonly known for its various benefits as pharmacological such as antioxidants and antimicrobial. In order to prove its efficacy, antimicrobial compound analysis of Ziziphus mauritiana leaf extract was performed using Attenuated total reflection-fourier transform infrared (ATR-FTIR). The spectrum and wavelength obtained can be used to identify the functional group and thus, the antimicrobial compound was discovered present in the plant. A liquid-liquid extraction had been carried out to obtain the extract of Ziziphus mauritiana leaf sample and rotary evaporator is used to remove the solvent of ethyl acetate. Based on this study, Ziziphus mauritiana leaves do have antimicrobial compounds such as eugenol and vanillin which are one of the antimicrobial agents.