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All Journal Agrointek Serambi Journal of Agricultural Technology SINTA Journal (Science, Technology, and Agricultural)
Bendi Sabela
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Agriculture, Biological Sciences & Forestry Astronomy Biochemistry, Genetics & Molecular Biology Chemistry Earth & Planetary Sciences Environmental Science Physics Veterinary

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Optimasi formula enkapsulasi ekstrak propolis Trigona menggunakan maltodekstrin-gum biji selasih dengan teknik spray drying Bendi Sabela; Dede Robiatul Adawiyah; Nur Wulandari
AGROINTEK Vol 19, No 1 (2025)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrointek.v19i1.20901

Abstract

Propolis has the potential to be widely used in the food industry due to its biological activities that are beneficial for human health, including as an antioxidant. The objectives of this research were to produce encapsulated propolis extract powders (EPEP) in optimum formula using a combination of coating materials (maltodextrin and basil seed gum (BSG)) by spray drying technique, and determining the physicochemical characteristics of the optimum EPEP. The independent variables used for optimization were 1–10 g of liquid propolis extract (factor 1) and 0–0.5 g of dried crude BSG (factor 2). Maltodextrin (10 g) and aquades (100 ml) were set as fixed variables. The optimization used response surface methodology (RSM). The responses studied were moisture content, solubility, and total phenolic content (TPC). Based on the overall response, the optimum formula resulting from RSM was 10 g of liquid propolis extract and 0.5 g of dried crude BSG with a desirability value of 0.734. The optimum EPEP had a moisture content of 3.82%, solubility of 96.13%, and TPC of 901.84 mg gallic acid equivalent (GAE)/kg sample, water activity value of 0.41, hygroscopicity value of 16.82%, and fat content of 4.61%. The results of the antioxidant activity of the optimum product by 2.2-diphenyl-1-picrylhydrazyl (DPPH) assay had an inhibition percentage of 17.61% at a concentration of 5000 µg/ml and antioxidant capacity of 2091 mg  ascorbic acid equivalent (AAE)/kg sample. The antioxidant activity of the optimum product by ferric reducing antioxidant power (FRAP) assay gave an antioxidant capacity of 2394 µmol AAE/kg sample. The optimum EPEP morphologically showed agglomerated particles.
Proximate Composition Analysis of Gracilaria sp. Seaweed from Local Coastal Waters Nurwulan, Afrida; Bendi Sabela
SINTA Journal (Science, Technology, and Agricultural) Vol. 6 No. 2 (2025)
Publisher : Perkumpulan Dosen Muda (PDM) Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37638/sinta.6.2.295-306

Abstract

Gracilaria sp. is one of the commercially valuable seaweeds with potential applications in the food and industrial sectors, particularly due to its high polysaccharide content. This study aimed to determine the basic chemical composition of Gracilaria sp. through proximate analysis, including moisture, ash, protein, fat, and carbohydrate content. Samples were collected from Singkawang, West Kalimantan, and the results were compared with secondary data from various coastal regions in Indonesia. The proximate analysis showed that the Singkawang sample contained 79.80 ± 0.67% moisture, 1.29 ± 0.26% protein, 3.68 ± 0.07% fat, 0.89 ± 0.04% ash, and 14.38 ± 0.83% carbohydrates. Variation among regions indicates that environmental factors such as water substrate, sunlight exposure, nutrient availability, harvest age, and post-harvest treatment significantly influence the nutritional composition. Carbohydrates were identified as the dominant component, highlighting the potential of Gracilaria sp. as a source of dietary fiber and hydrocolloid material. Overall, the findings suggest that nutritional characteristics of Gracilaria sp. are strongly affected by geographical and handling factors, emphasizing the importance of standardized processing and proper cultivation site selection to optimize its utilization for food and industrial applications.
Chemical Characteristics and Antioxidant Activity of Fish Skin Collagen: Review Sabela, Bendi; Ramadhini, Tri Karimah
Serambi Journal of Agricultural Technology Vol 7, No 2 (2025): Desember
Publisher : Universitas Serambi Mekkah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/sjat.v7i2.9802

Abstract

Fish skin is a fishery waste product with a high collagen content. This review aims to compile and summarize the latest data on the chemical characteristics and antioxidant activity of fish skin collagen. Fish skin collagen can be extracted using acid, enzymatic, ultrasound, and deep eutectic solvent (DES) methods. The yield of fish skin collagen ranges from 2.2 to 61.5%. The proximate content of fish skin collagen is 36.64–77.5% protein; 0.28–30.43% lipids; 0.43–49.25% ash; and 0.061–10.25% moisture. The most dominant amino acid in fish skin collagen is glycine. The composition of fish skin collagen includes carbon, oxygen, silicon, chlorine, sodium, magnesium, phosphorus, sulfur, potassium, and iron. Fish skin collagen shows antioxidant activity with ABTS (2,2-azinobis-(3-ethylbenzothiazoline-6-sulfonic acid), DPPH (2,2-diphenyl-1-picrylhydrazyl), ORAC (oxygen radical absorbance capacity), FRAP (ferric reducing antioxidant power), OH radical scavenging, and NO radical scavenging methods. The antioxidant activity of fish skin collagen in the DPPH free radical scavenging method is 39.57–40.89%.
Optimasi formula enkapsulasi ekstrak propolis Trigona menggunakan maltodekstrin-gum biji selasih dengan teknik spray drying Bendi Sabela; Dede Robiatul Adawiyah; Nur Wulandari
AGROINTEK Vol 19, No 1 (2025)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrointek.v19i1.20901

Abstract

Propolis has the potential to be widely used in the food industry due to its biological activities that are beneficial for human health, including as an antioxidant. The objectives of this research were to produce encapsulated propolis extract powders (EPEP) in optimum formula using a combination of coating materials (maltodextrin and basil seed gum (BSG)) by spray drying technique, and determining the physicochemical characteristics of the optimum EPEP. The independent variables used for optimization were 1–10 g of liquid propolis extract (factor 1) and 0–0.5 g of dried crude BSG (factor 2). Maltodextrin (10 g) and aquades (100 ml) were set as fixed variables. The optimization used response surface methodology (RSM). The responses studied were moisture content, solubility, and total phenolic content (TPC). Based on the overall response, the optimum formula resulting from RSM was 10 g of liquid propolis extract and 0.5 g of dried crude BSG with a desirability value of 0.734. The optimum EPEP had a moisture content of 3.82%, solubility of 96.13%, and TPC of 901.84 mg gallic acid equivalent (GAE)/kg sample, water activity value of 0.41, hygroscopicity value of 16.82%, and fat content of 4.61%. The results of the antioxidant activity of the optimum product by 2.2-diphenyl-1-picrylhydrazyl (DPPH) assay had an inhibition percentage of 17.61% at a concentration of 5000 µg/ml and antioxidant capacity of 2091 mg  ascorbic acid equivalent (AAE)/kg sample. The antioxidant activity of the optimum product by ferric reducing antioxidant power (FRAP) assay gave an antioxidant capacity of 2394 µmol AAE/kg sample. The optimum EPEP morphologically showed agglomerated particles.
Co-Authors Dede Robiatul Adawiyah Nur Wulandari Nurwulan, Afrida Ramadhini, Tri Karimah