Technology for processing some types of by-products from fruit trees

According to Associate Professor, Dr. Mai Huynh Cang, Deputy Head of the Faculty of Chemical and Food Technology, Ho Chi Minh City University of Agriculture and Forestry, the country's agriculture in general, and Binh Thuan in particular, currently has a waste of agricultural by-products, while this is a valuable source of raw materials. The source of agricultural by-products in Vietnam is currently very abundant (including by-products from fruits and vegetables), which have not been fully utilized, and can cause environmental pollution... Dr. Mai Huynh Cang introduced the technology for processing some types of by-products from fruit trees, suitable for Binh Thuan dragon fruit, or local grapefruit and durian. By-products such as dragon fruit peel, grapefruit peel, durian peel, invested in by establishments, cooperatives, and farmers for appropriate processing, will produce useful cosmetics for daily life, health care; increase the value of local fruit trees...

Some products from essential oils.

The research team from the Faculty of Chemical and Food Technology, Ho Chi Minh City University of Agriculture and Forestry has successfully developed a biological solution (microbial fermentation technology with a strong microbial yeast mixture) to utilize by-products from the fruit processing industry such as dragon fruit, grapefruit, and durian. This helps to optimize production costs, save environmental treatment costs, increase the value of tropical fruit products, and increase economic value for establishments, businesses, and cooperatives, contributing to environmental protection.

Dr. Cang said that for dragon fruit, there are currently many processed products such as dragon fruit wine, dragon fruit juice, fermented fruit juice, dragon fruit bread, etc. The major source of by-products that can be utilized is dragon fruit peel, dragon fruit vines (stems), dragon fruit seeds to create products such as fruit vinegar, fermented fruit juice, dragon fruit seed oil, raw materials for food (jam, herbal tea from dragon fruit peel). In addition, by-products such as dragon fruit peel and vines can also be applied to the microbial fertilizer production process. From the by-products, grind them with a specialized machine, then mix in microorganisms and incubate (45 days) to obtain organic fertilizer. These cooperation and transfer directions are all based on competitive microbial technology (fermentation technology with a mixture of strong microorganisms) at low cost, helping to reduce production costs and ensure product quality.

Meanwhile, the Hoa Le clean dragon fruit cooperative in Ma Lam town, Ham Thuan Bac, has long used dragon fruit peel by-products or bought them from outside to chop them up and put them into a grinder to raise earthworms very effectively," Mr. Do Thanh Hiep, Director of Hoa Le Cooperative shared at the conference.

Dr. Mai Huynh Cang added that grapefruit peel by-products are used to distill grapefruit peel essential oil, because the amount of essential oil is in the green peel. 100 kg of grapefruit peel can extract 2 liters of essential oil. In addition, lemon and orange peels can also extract essential oils. The Faculty of Chemical and Food Technology, Nong Lam University has transferred technology to Dan Tien Agricultural Trade Tourism & Transport Cooperative (Binh Duong) to successfully process grapefruit essential oil, orange essential oil, soapberry grapefruit essential oil shampoo, grapefruit essential oil hair spray... with natural flavors. This cooperative has planted 1,000 grapefruit trees, 3,000 orange trees on an area of ​​10 hectares to take peels to process essential oils.

Mr. Nguyen Van Trung, Deputy Director of the Provincial Center for Innovation and Application of Science and Technology, said that through the conference introducing equipment technology and processing by-products from fruit trees to serve agricultural production, it is a bridge to help establishments, enterprises, cooperatives, and farmers in the province access and choose appropriate processing technology solutions, increasing the value of fruit trees, especially dragon fruit, an advantage of the province, as well as grapefruit trees grown in Duc Linh district.

Source: https://baobinhthuan.com.vn/cong-nghe-xu-ly-mot-so-loai-phu-pham-tu-cay-an-qua-130489.html