Preface Skunkvine Leaves or named latin Paederia scadens is a shrub, plant fences and wild plants. This plant is usually grown in front of the terrace or in paddy fields. This safeguard has unique characteristics, namely: When we squeeze or tear this leaf it will smell the farting smell of farting stomach, Therefore the leaves…
Preface Detergent is a compound that is close to the life of the community. Detergent is often used by the community for various activities, including washing household furniture, washing dishes, and for various industrial activities. The existence of detergent that is very close to the life of society is inseparable from the large share of…
Preface In this experiment, onions are used, this is because the onion has a low starch content, which allows the DNA to be clearly visible. Salt protects the negative end of the DNA phosphate, allowing the tip to come closer so that DNA can precipitate from a cold alcohol solution. Detergents cause cell membranes to…
Preface Nowadays people focus on herbs, especially utilizing the plants that exist in our environment. One example is a cashew plant (Psidium guajava Linn). Based on research this plant is good for healing and treating wounds and other skin infections. So in research, we will make bath soap from guava, because this plant is effective…
Waste Cooking oil is a cooking oil that has been used repeatedly. This oil is to used household needs, generally can be reused for culinary concern, but when viewed from its chemical composition, waste cooking oil contains carcinogenic compounds, which occur during frying process (Anonymous, 2011a), so it is quite worrying when we reused for…