This study aims to determined the effect of green tea extract on the characteristics of transparent soap and antioxidant activity as well as to determine the best concentration of the addition of green tea extract. This study used a completely randomized design (CRD) consisting of 5 treatments and 3 repetitions. Data were analyzed statistically using ANOVA followed by Duncan's test New Multiple Range Test (DNMRT) at 5%. Treatment in this research were the addition of green tea extract 0%; 0.5%; 1%; 1.5%; and 2%. The analysis on the transparent soap product were sensory evaluation test, irritation test, antimicrobial test, antioxidant activity, and chemical properties that include water content, pH, the amount of fatty acid, the saponified fraction, alkali-free / free fatty acids, and insoluble part in alcohol. The results showed that the difference in the concentration of green tea extract in a transparent soap significantly affect insoluble part in alcohol, antioxidant activity, and antimicrobial, but did not significantly affect to moisture content, the level of fatty acid , unsaponified fraction, free fatty acids, pH, hardness , and degree of foam. Effect of green tea extracts in the manufacture of transparent soap in treatment E (Addition of green tea extract 2%) is the best product, the value for color was 25%, aroma was 50%, 20% transparency, hardness 35%, and degree of foam was 70while the hardness was 2,90 N / cm2; degree of foam 48.95%; the water content of 35.35%; 29.78% the amount of fatty acids; unsaponified fraction was 12.87%; free fatty acids 0,23%; pH was 9.78; Insoluble parts in alcohol 2.08%; irritation value 0; antioxidant activity of 15.21% and a diameter anti-microbial of 42 mm. A transparent soap with the addition of green tea extract deserves to be developed.

Sea cucumber (H. scabra) has bioactive compounds that are useful as antioxidant. Antioxidant is chemical compound that can donate one or more electrons to free radical. Free radical is reactive compound that have unpaired electrons in the outer shell so it need antioxidant to stabilize. This study aims to determine the content of bioactive compounds and the antioxidant activity on the skin, chitin and chitosan of H. scabra. The analysis parameters observed were bioactive compounds and the antioxidant activity. The results showed that the phytochemical components in skin hexane extract were alkaloids, flavonoids, saponins and steroids/triterpenoids. Chitin contained alkaloids, flavonoids, and saponins. Chitosan contained alkaloid compounds, flavonoids and saponins.  IC50 of skin hexane extract and chitin were 1445.05 ppm and 620.07 ppm respectively and included in the very low category. IC50 of chitosan was 235.37 ppm and included in the moderate category. Chitosan had the highest antioxidant activity.

Gelatin is a protein from the hydrolysis of bone collagen and skin of animals wich are widely used for industrial food and non food. Studies on extraction of gelatin from tuna (Thunnus sp) bone were carried out by soaking in hydrochloric acid solutions of 4%, 6% and 8% for 48 hours respectivelly and extracted with aquadest at 60ºC, 70ºC and 80ºC for 5 hours. The extract was filtered with filtering cloth and the filtrate was oven dried at 55ºC for ± 48 hours until gelatin was formed. The result showed that soaking the bone in 8% hydrochloric acid solutions followed by extraction 80ºC for 5 hours gave the best result with 8,64 yield, isoelectrict point 8,20%, protein contain 93,72%, lipid contain 0,74-1,75%. Gel strengh 257,59 g/bloom gel strengh, viscosity 3,20 cPs, pH 3,98. The results obtained for water contain of 6,97%. Ash countain 2,07%. The colour of gelatin produced from tuna bone showered different with commercial gelatin that is between yellowish brown to whitish yellow. Gelatin made from tuna bone has fishy odor whereas commercial gelatin has neutral odor.

Kegiatan ini bertujuan untuk mengembangkan inovasi dan penerapan teknologi rumah pengering sinar matahari semi-tertutup berbahan plastik UV pada produk kerupuk sagu fungsional dari ikan biang Ilisha elongata di UMKM Kube “Dian Lestari” Selatpanjang Kabupaten Kepulauan Meranti Provinsi Riau. Metode pelaksanaan kegiatan dilakukan melalui penyuluhan dan percobaan langsung pembuatan alat pengering sinar matahari semi tertutup dari bahan plastik UV untuk diterapkan pada produk kerupuk sagu fungsional dari ikan biang. Kegiatan pembuatan rumah pengering sinar matahari semi tertutup berbahan plastik UV melibatkan partisipasi dari tim pengabdian Universitas Riau dan UMKM Kube “Dian Lestari”. Rumah pengering sinar matahari memiliki dimensi panjang 5 meter, lebar 2 meter dan tinggi 1,8 meter. Bagian dalam pengering memiliki kisaran suhu panas 45-62 oC, terdapat dua tingkatan rak dengan jumlah 16 rak, masing-masing tingkatan terdiri dari 8 rak pengering dengan ukuran panjang rak 100 meter dan lebar 85 cm, rak pengering dibuat dari bahwa kawat berlapis plastik sehingga tahan dan aman untuk produk pangan. Hasil penerapan rumah pengering sinar matahari semi tertutup terhadap produk kerupuk sagu fungsional ikan biang memiliki keunggulan yaitu: waktu pengeringan 24-36 jam, kapasitas pengering mencapai 20 kg, produk kerupuk aman dari cuaca hujan dan produk higenis, dan memiliki efisiensi waktu pengeringan lebih cepat daripada pengeringan biasa (3-4 hari). Kegiatan pengabdian masyarakat berpengaruh terhadap peningkatan produksi dan pendapatan keuntungan dari produk yang dihasilkan.      Kata kunci: fungsional, kerupuk sagu, rumah pengering, sinar matahari ABSTRACT This activity aims to develop innovation and application of semi-enclosed sun-drying house technology made from UV plastic on functional sago cracker products from Biang fish (Ilisha elongate) at “UMKM Kube Dian Lestari" Selatpanjang, Meranti Islands Regency, Riau Province. The method of carrying out the activities were carried out through counseling and direct experiments in making semi-enclosed sun dryers from UV plastic material to be applied to functional sago crackers products from Biang fish (Ilisha elongata). The activity of making a semi-enclosed sun dryer house made of UV plastic involves the participation of the Riau University service team and Kube UMKM "Dian Lestari". The sun-drying house has dimensions of 5 meters long, 2 meters wide, and 1.8 meters high. The inside of the dryer has a hot temperature range of 45-62 oC, there are two levels of shelves with a total of 16 shelves, each level consists of 8 drying racks with a shelf length of 100 meters and a width of 85 cm, the drying rack is made of plastic-coated wire so that resistant and safe for food products. The semi-enclosed drying room applied to sago biscuit products has the following advantages: 24-36 hours drying time, drying capacity reaches 20 kg, cracker products are safe from rainy weather and hygienic products, and have faster drying efficiency than normal drying (3-4 days). Community service activities have an effect on increasing production and profit income from the products produced. Keywords: functional, sago crackers, drying house, sunlight

This activity aims to develop technological innovations for processing functional sago crackers with the fortification of the fish flour as a new variant of the business during the COVID-19 pandemic for Kube "Dian Lestari" Selatpanjang in the context of developing sustainable small industrial businesses in the Meranti Islands Regency, Riau Province. The method of implementing the activity is through counseling and direct training in the processing of sago crackers with the addition of 2% lead fish meal (20 g of fish flour from 1000 sago flour). The results of the service activities showed that all participants participated in the activities well, especially the Kube participants "Dian Lestari". The result of the product training activities was the making of sago functional (Biang fish). After deep-frying, they can get a new variant. The biscuits look neat and complete, and the color is bright gray. The taste of sago crackers becomes savorier, it tastes like fishing. The aroma of sago crackers is still dominant, typical of sago and a slight savory aroma of fish, with a crunchy and crumbly texture when eaten. The results of consumer assessments of functional sago crackers from giant fish have consumer acceptance in the "like and very like" category of up to 100%. The taste sensory factor determines the success of the new variant on the production of functional sago crackers with the fortification of 2% sago fish flour with a distinctive, savory, and delicious taste. The target of achieving 100% of the activities includes the participation of training participants, and the products produced. Characteristics of functional sago crackers (raw) have been nutrient content of 9.18% water, 3.75% protein, 1.48% fat, 0.66.6% ash, and 84.96% carbohydrates. Nutrient content of functional sago crackers of prickly fish (fried) has been moisture of 5.86%, protein 6.18%, fat 12.74%, ash 1.68%, and carbohydrates 73.54%.