37 results about "Dracaena sanderiana" patented technology

The invention provides a plant foliar bactericide with the antifreezing function, relating to the technical field of pesticides. The plant foliar bactericide is prepared from a bactericidal composition and an antifreezing composition in a ratio of 1:2, wherein the bactericidal composition comprises the following components in parts by weight: 5-15 parts of garlic powder, 10-30 parts of lime powder, 0.1-1 part of alkaloids from tea, 0.1-2 parts of capsaicin, 5-15 parts of calcium hypochlorite and 20-55 parts of hydrogen peroxide; the antifreezing composition comprises the following components in parts by weight: 5 parts of pine needles, 5 parts of dracaena sanderiana, 5 parts of cinnamomum camphora, 15 parts of chimonanthus praecox, 15 parts of holly, 1 part of wheat seedling, 3 parts of oxyspora paniculata, 0.05 part of antifreezing fluid for automobiles, 0.01 part of castor oil and 0.1 part of preservative. The plant foliar bactericide can be used for perennial plants in most parts of China, such as all the vegetables, fruit trees, flowers and plants and bonsai, can enhance the water retention and cold resistance of the plants, has relief and recovery effects on the plants suffering moderate and mild freezing injuries, adds chlorophyll, increases the yields and quality of crops and lengthens the green period.

The invention discloses a cosmetic additive with a whitening function as well as a preparation method and an application of the cosmetic additive. The cosmetic additive is prepared from raw materialsin parts by weight as follows: 8-13 parts of white truffle extract, 10-25 parts of folium eriobotryae extract, 12-28 parts of root of dracaena sanderiana, 6-18 parts of berchemia sinica and 70-128 parts of water, wherein the white truffle extract is extractive matter prepared from methanol extract of white truffle by dissolving with water and extraction with petroleum ether, cyclohexane, chloroform or benzene, and volume percentage concentration of methanol is 40%-48%; the folium eriobotryae extract is water extract, ethanol extract or water-ethanol mixture extract of folium eriobotryae. The cosmetic additive has higher tyrosinase activity inhibition ratio and better freckle removing effect; the raw material components are simple and safe and are beneficial for protecting body health of people; the preparation method is simple and easy to implement, conditions are mild, and industrial production is facilitated.