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Oil palm has become the main plantation commodity in Riau Province, Indonesia. As the province with the largest oil palm plantation at around 2.7 million hectares, Riau Province has 19% of Indonesia’s total oil palm plantation area. In the midst of environmental issues such as forest fires or using hazardous chemicals, companies or individuals who own oil palm plantations are trying to obtain sustainability certification from the Roundtable of Sustainable Palm Oil (RSPO). However, many companies have not obeyed the correct principles and criteria for sustainable palm oil production, especially in the perspective of using pesticides in oil palm plantations. Based on those problems, this study was to carry out an in-depth examination of the data available from the Plantation Office and Environment-Forestry Office of Riau Province. As a result, we discovered that 70% of the pesticides used were classified as hazardous pesticides, according to the World Health Organization (WHO). In addition, it was also found that oil palm companies used glyphosate and paraquat as the active ingredient in pesticides, which have been banned in many countries due to environmental issues. By this finding, the commitment of oil palm companies to achieve sustainable agriculture in using appropriate and environmentally friendly pesticides needs to be questioned‥

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Doughnuts are one of the most popular sweet foods for people of all ages around the world. Although made from simple ingredients such as flour, sugar, eggs, yeast, milk powder, salt, water, and margarine, however producing doughnuts requires special techniques to produce good-quality doughnuts. It needs more energy, even physically and electrical equipment. A workshop on doughnut production with autolyze method for Dharma Women Association, Faculty of Engineering, University of Riau, was conducted to increase the knowledge and skills of members of the organization in making healthy dishes for the family. In this workshop, doughnuts were made using the autolysis method, which is mixing bread flour with water and then keeping the dough until gluten was formed. The formation of gluten is one indicator of the formation of smooth, soft, and elastic dough. The workshop results showed high interest among the Dharma Women Association members in making doughnuts with this alternative method.

Liquid waste from processing cassava into tapioca starch is carbohydrate-rich waste and can be used as a growth medium for the Acetobacter xylinum, which is useful in producing one of the fermentation products, i.e. nata. Several factors influence the production of nata, one of them is the addition of nutrients in the form of nitrogen in the fermentation medium. The nitrogen source used is usually from inorganic fertilizers, such as urea and ammonium sulfate. In this study, fermentation of tapioca starch wastewater was developed, using a natural sources of nitrogen derived from soybean and green bean sprouts extract. Nata was made by treating various concentrations of soybean and green bean sprouts extract (3%, 4%, 5%) and fermentation time (6 days, 7 days, 8 days, 9 days and 10 days). The characteristics of the nata product were seen from the thickness and yield of the nata. The nata de cassava product's optimum results were tested for thickness, yield, and moisture content. The results showed that the best type of natural nitrogen source was soybean sprouts extract 5%, fermentation time of 10 days with a thickness of 0.55 cm, the water content of 97.58%, and yield of 63.09%