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People's mining activities in Gamey Village, Uwapa District, Nabire Regency, Central Papua Province are carried out to meet daily needs and improve the welfare of the local community. This mining activity is based on alluvial deposit conditions and is applied for mining sediments on the surface and using alcon machines. for high pressure water spray. This community mining activity is divided into several stages starting from preparation of mining land, processing and production processes as well as selling gold products for sale. This research aims to examine the gold processing used by small-scale miners in Uwapa District, Gamey Village, and its impact on the environment and public health. The main focus of this research is on the use of the sluice box method, which is the gold processing technique most commonly used by local communities. This method was chosen for its simplicity and low cost, although the gold recovery efficiency varies between 50-70%. Additionally, this research evaluates alternative technologies such as shake tables and centrifuges that can increase gold recovery efficiency and be more environmentally friendly. The research results show that the implementation of alternative technology requires training, procurement of adequate equipment and infrastructure as well as ongoing monitoring. By adopting better technology, it is hoped that gold mining activities in Gamey Village can run more productively and sustainably, improving community welfare without damaging the environment.

The purpose of this study was to determine the results of the analysis of heavy metal levels of Pb, Cd, Hg found in lettuce in the Central market of Gorontalo city. In this study, the object of research was the roots, stems and leaves of lettuce. The method used was wet deconstruction method using a mixture of HNO3 and HCl. After that the solution was cooled, then filtered. The sample solution that has been deconstructed is analysed by UV-Vis Spectrophotometry. The results of the analysis showed that there was heavy metal Pb in the root, stem and leaf lettuce samples of 2.54 mg / kg, 1.58 mg / kg, 2.28 mg / kg / respectively. Cd heavy metal levels of 0.07 mg/kg, 0.60 mg/kg, 0.65 mg/kg. Hg heavy metal levels of 2.09 mg/kg, 0.21 mg/kg, 0.44 mg/kg. Based on the 2018 Food and Drug Administration regulations, the value of Pb metal content is 0.20 mg/kg, the value of Cd content is 0.05 mg/kg, and the value of Hg content is 0.03 mg/kg.

Velva is frozen food product has low fat and made from crushed fruit or vegetables that has a similar texture like ice cream. Sweet potatoes used as a raw material it is an innovation of food processing to increase economic value. The addition of kecombrang extract creates a new taste and has a lot of nutritional content such us high antioxidant. The research of objective is to determine the characteristic of velva varietas of sweet potatoes and addition of kecombrang flower extract based on longest melting power and highest total dissolved solids. The research using completely randomized with 2 factorial. First factor is type of sweet potatoes ( white, orange, purple) and second factor is addition of kecombrang flower extract (5%, 10% and 15%). The results of chemical (moisture content, antioxidant activity) and physical parameters (overrun, melting time and total dissolved solids) based on longest melting power and highest total dissolved solids formulation is purple sweet potatoes and 15% kecombrang extract is water content 67,37%, antioxidant 74,24%, overrun 22,18%, melting time 18,54 minutes, total dissolved solids 25,7oBrix. Based on the most preferred organoleptic paramaters is purple sweet potatoes and 5% kecombrang extract is water content 69,09%, antioxidant 66,41%, overrun 23,79%, melting time 17,28 minutes, total dissolved solids 23,6oBrix

Nugget is processed mashed meat. Several types of fish such as tuna, tilapia, and snapper have the potential to increase sales value and can be used as raw material for nuggets, because apart from having quite high proteins, they also have thick flesh. Carrot flour has high levels of fiber and also high levels of beta-carotene. The purpose of this study was to determine the characteristics of fish nuggets which were high in fiber and beta-carotene with variations in the addition of carrot flour, tapioca flour and to find out the highest level of preference for fish nuggets. research using a completely randomized design (CRD) 2 factors with a comparison of carrot flour and tapioca flour and variations of fish species. The best chemical test results were the comparison of carrot flour: tapioca flour (40%:20%) with tuna fish with beta-carotene content of 6.69 μg/g, crude fiber content of 36.54%. The highest preference sensory test result is the comparison of carrot flour with tapioca flour (40%: 20%) with the type of tilapia meat with a color test result of 3.14 (likes), taste test 3.18 (likes), aroma test 3.20 (likes), texture test 3.29 (likes), and overall preference test 3.82 (likes). ). Fish nuggets made from tapioca flour and carrot flour can be a food that has high levels of crude fiber and beta-carotene.

Yangko cake is a semi-wet food made from glutinous rice flour with the addition of a sugar solution. In order to improve the characteristics of the yangko cake, an ingredient is added, namely kidney bean flour and cinnamon extract. Kidney beans are one type of legume that has a high protein source so it can add nutritional value to food products. Kidney bean has an unpleasant taste, therefore it needs to be balanced with the addition of cinnamon extract, which is expected to reduce the unpleasant flavor of the yangko cake which consumers preferred. The experimental design used is a CRD, with the first factor being the ratio of glutinous rice flour and kidney bean flour with a ratio of 90:10, 80:20, and 70:30. The addition of cinnamon extract in various amounts (2 ml, 4 ml, and 6 ml) was the second element. The inclusion of substitute glutinous rice flour and kidney bean flour, coupled with the variation of cinnamon extract produced yangko cake with 3,80% fiber content and 5,76% protein content.  Chemically, physically and organoleptically, the best product from several formulations of the yangko cake was with 70:30 of glutinous rice flour to kidney bean flour and 6 ml of cinnamon extract, with 47.98% water content, 0.66% as content, 31,36% total sugar content and with a hardness of 28.82 N, a gumminess of 4.92 N, a chewiness of 2.28 N then a cohesiveness of 0.64 Ns.  The organoleptic characteristic of the yangko cake was the most preferred by the panelists, with a value of 3,76 (preferred). The yangko cake substitusion of glutinous rice flour and kidney beans with the addition of cinnamon extract is a food ingredient  that has quite high protein and fiber.

Velva, a kind of frozen dessert, made from fruit that contains nutrients and help the body's metabolic processes as a source of energy. Red dragon fruit (Hylocereus polyrhizus) is used in the production of velva in order to get a good color and Moringa to increase antioxidant activity.  The purpose of this study was to determine the appropriate substitution ratio between velva, dragon fruit, moringa leaf extract, and stabilizer to produce dragon fruit velva with good characteristics, namely high antioxidant and preferred by consumers.  This study used a factorial completely randomized design (CRD).  The factors used were the concentration of Moringa leaves (8, 10, 12 g) and the concentration of the type of stabilizer (CMC 1,26%, cornstarch 1,26%, carrageenan 1,26%).  The best chemical analysis was treatment concentration of carrageenan stabilizer 1,26% with the addition of 8 g Moringa leaf extract with antioxidant activity 16,85%, crude fiber 0.63%, vitamin C 4,33%, reducing sugar 11,83%, total phenolic 13,93mg.GAE/ml and pH 3,5.  Physical analysis with melting power 47.00 minutes/hour, overrun 13,00%, TPT 4˚Brix and TAT 1.14%.  The results of the red dragon fruit velva sensory test with various types of stabilizers and the addition of Moringa leaves, as well as the combination of treatments between the two had no significant effect on color, texture, taste, aroma and overall preference.  The best organoleptic analysis was the P3K1 treatment (concentration of carrageenan stabilizer 1,26% with the addition of 8 g Moringa leaf extract) with a color value of 3.06, taste 2.57, aroma 2.78, texture 3.50 and overall preference 3,42.

Sausage is one of frozen food product that’s popular among the society. Mackerel is classified as a fish that’s low fat and higher in protein, and also has characteristics like white meat, thick and didn’t had contain many thorns, so it’s suitable for used in the processed of fish sausage. Innovation of fish sausage can be carried out by fortification provitamin A from carrot paste, and produced gluten-free mackerel sausage product by using sago flour and tapioca starch as a binder. The purpose of this study was to identify  characteristics of mackerel sausage fortified of carrot paste which is high in protein and β-carotene. The experimental design used is a Completely Randomized Design (CRD) with the first factor being the ratio of mackerel and carrot paste 75% : 25%, 50% : 50%, 25% : 75%. The second factor was the ratio of sago flour and tapioca starch as filler of sausage 80% : 20%, 60% : 40%, and 40%: 60%. The analysis indicated that the formulation of mackerel sausage which is highs in protein and the most preferred by consumers is found in the ratio of 75% mackerel : 25% carrot paste and 80% sago flour : 20% tapioca starch with a protein content of 11,36% and an overall level of preference is 3,55 (neutal). The mackerel sausage formulation that’s highs in β-carotene is found in the ratio of 25% mackerel: 75% carrot paste and 60% sago flour: 40% tapioca starch by 876 µg/g. Fortified carrot paste in mackerel sausages could be a  potensial source of protein and β-carotene.

Latar belakang: Perilaku remaja di Indonesia mengalami perubahan seiring dengan perubahan zaman. Masyarakat di Indonesia terutama para remaja putri sekarang lebih mempercayai produk perawatan kulit ataupun skincare yang memberi janji wajah berubah semakin putih bersih untuk tampilan yang lebih menarik. Produk skincare yang digunakan oleh para remaja saat ini, lebih banyak mengandung hidrokuinon dan merkuri. Hidrokuinon dan merkuri merupakan zat yang telah dilarang digunakan dalam kosmetik. Tujuan pengabdian kepada masyarakat ini adalah meningkatkan pengetahuan kesehatan kulit siswi SMK Muhammadiyah Lebaksiu dengan pemahaman tentang pemilihan kosmetik yang aman. Metode yang digunakan adalah 1) penyuluhan 2) sosialisasi bahaya merkuri dan hidrokuinon 3) praktek uji kualitatif kandungan hidrokuinon. Hasil peserta kegiatan pengabdian masyarakat diikuti oleh 84 siswi. Hasil menunjukkan adanya peningkatan pengetahuan yang baik dilihat dari nilai rata-rata pre test peserta sebesar 66,07% dengan kategori cukup. Setelah dilakukan penyuluhan didapatkan nilai rata-rata post test 94,28% termasuk dalam kategori baik. Simpulan: Diharapkan dari kegiatan penyuluhan ini peserta akan lebih selektif dalam memilih dan menggunakan skincare demi kesehatan kulit.  

Eclairs are cakes that are much favored by the general public, became as éclair a hollow texture and are soft on the inside. Mocaf is flour has been modified by fermentation, and has characteristics similar to wheat flour. This reseacrh used a variety of peanuts flour such as cowpeas, red bens and mung beans as protein and fiber source. The variety of nuts added aims to encrease the nutritional content of eclairs. This research was purposed to determine the chemical and sensory characteristics of eclairs which are high in protein and fiber and to determine consumer preferences from the comparison of mocaf and wheat flour with various types of peanut flour. The experimental design used was a Completely Randomized Design (CRD) with two factors, the first factor was the ratio of mocaf flour and wheat flour 9:1, 8:2, 7:3, the second factor was the variety of species of beans, cowpeas, red beans, mung beans. The results showed that the protein content was the highest, in the mocaf and wheat flour of 7:3 with a protein content of 8.50%. the eclairs formulation with the highest fiber content was found in a 9:1 ratio of mocaf flour and wheat flour with variety types of mung beans flour with a fiber content of 9.94%. The formulation of the ratio of mocaf flour : wheat flour 7:3 with variety species is the most preferred formula overall with an overall preference level of 3.67. Eclairs with the addition of peanut flour has the potential to increase product protein.

Red bean flour has a high protein content but low gluten content. The superior nutritional value of rice bran is as a nutrient source that contains a lot of protein and high fiber and also does not cause allergies. The purpose of this study was to determine the effect of roasting time and the best formulation of the combination of red bean flour and rice bran flour in making snack bars that are rich in protein and favored by many consumers. This study used a completely randomized design (CRD) arranged factorially with two factors with the formulation of red bean flour and rice bran flour used were P1 (95:5); P2 (90:10); and P3 (85:15). Roasting time was 50, 40 and 30 minutes. Data analysis used ANOVA with Tukey's further test. The results of chemical and sensory tests significantly influenced the activity of water content, fat content, protein, carbohydrates, color, red bean flavor, bran flavor, hardness and overall liking. However, it was significantly different for ash content, color and overall liking. The best chemical test results were P2T3 (ratio of red bean flour and rice bran flour 90/10 with roasting time of 30 minutes) with the results of carbohydrate 60.74%, protein 10.96%, moisture content 19.01%, fat content 6.79%, and ash content 2.51%. The best sensory test results were P2T3 with color test results 2.98, red bean flavor 2.58, bran flavor 2.32, hardness 1.75, and overall liking 2.77. Snack bars made from red bean flour and rice bran flour have great potential as a high-protein food ingredient.

Donuts are foods made from high protein wheat flour, in this study donuts were made from substitution of wheat flour and soybean flour. This study aims to determine the effect of soy flour substitution (Glycine max L.) and of determine fermentation time of (60, 75 and 90 min) on soy flour donuts which have the highest protein content and panelists' favorite. Complete Rendomized Design (RAL) Faktorial with two factors used in this research. The first  factor was is the ratio of  wheat flour and soy flour  (95;5, 90;10, 85;15) . The second  factor was is the variation of fermentation time (60, 75,  90 min). It was determined for protein, ash , water, fat , reducing sugar, total carbohydrates, and organoleptic. The data was determined Analysis using of Variance (ANOVA). The results showed that donuts with the addition of soy flour and fermentation time had a significant effect (α<0.05) on protein content, sugar content, flavor and overall preference. The best treatment of soybean flour donuts based on chemical and organoleptic tests, namely the ratio of wheat flour and soybean flour (85:15) using 90 minutes of fermentation. Soy flour donuts with the best treatment had a 20.30% of moisture; 1.77% ash content; protein content 10.38%; reducing sugar content 22.52%; total carbohydrates 49.51%; color dark brown 3.25; unpleasant flavor 2.95; savory taste 3.01 and very liked overall favorite 3,57.

Warga perumnas Mojosongo terdiri dari 26% usia sangat produktif (25-40 tahun) yaitu masih mampu untuk melakukan banyak hal yang dapat meningkatkan kesejahteraan keluarga. Kelompok usia produktif tersebut ternyata kurang produktif, sebagian besar berprofesi sebagai ibu rumah tangga. Ibu-ibu rumah tangga di wilayah perumnas Mojosongo yang dipilih menjadi mitra dalam kegiatan ini sehingga diharapkan memiliki tambahan ketrampilan yang dapat meningkatkan kesejahteraan keluarga. Salah satu usaha yang berkembang di sekitar wilayah Perumnas Mojosongo adalah usaha pembuatan tahu. Usaha pembuatan tahu ini cukup prospektif, karena merupakan makanan favorit masyarakat. Permasalahan yang timbul adalah limbah dari usaha tahu, yaitu limbah sisa air perasan tahu dan ampas tahu, yang menimbulkan bau yang kurang sedap. Ampas tahu sering diolah menjadi tempe gembus, namun tidak semuanya yang terolah, sehingga masih ada limbah yang belum dimanfaatkan. Manfaat Pelatihan Pembuatan aneka olahan ampas tahu bagi warga adalah diharapkan mampu meningkatkan keterampilan para anggota dalam bidang pengolahan pangan, terutama dalam hal pembuatan olahan ampas tahu, sehingga mampu memberikan tambahan penghasilan bagi keluarga. Ampas tahu masih mengandung protein yang cukup tinggi, sehingga berpotensi diolah menjadi produk pangan yang bergizi. Olahan ampas tahu adalah stik, kerupuk, rengginan, kue kering dan lain-lain. Bahan dan cara pembuatan olahan ampas tahu mudah diperoleh dan dipraktekkan.Kata Kunci : ampas tahu, pengolahan, produk pangan, perumnas Mojosongo