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Pengolahan Feses Sapi Dan Limbah Kol Dengan Metode Vermikompos Menggunakan Dekomposer Lumbricus Rubellus Ditinjau Dari Ph Suhu Dan Produksi Vermikompos Handi Kusnadi; Novia Rahayu; Andri Kusmayadi
Agrivet : Jurnal Ilmu-Ilmu Pertanian dan Peternakan (Journal of Agricultural Sciences and Veteriner) Vol. 10 No. 2 (2022): Desember
Publisher : Fakultas Pertanian Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31949/agrivet.v10i2.4019

Abstract

The livestock sector has long been a source of livelihood for the people of Indonesia. In addition to having a positive impact, the increase in livestock business also has a negative impact, namely from the waste produced in the form of feces and urine. Vegetable waste is a waste material which is usually disposed of in open dumping without further management so that it will cause environmental disturbances and unpleasant odors. Recycling organic waste into something useful again can be done in various ways, among others, by making organic waste as earthworm feed which will later produce vermicompost fertilizer. This study used a completely randomized design (CRD) with 5 treatments and 4 replications, each treatment having a concentration of P0 = 100% cow feces + 0% cabbage waste, P1 = 75% cow feces + 25% cabbage waste, P2 = 50% cow feces 50 % Cabbage Waste, P3 = 25% Cow Feces + 75% Cabbage Waste, P4 = 0% Cow Feces + 100% Cabbage Waste. The results in this study are all treatments that produce temperature and pH are stated in accordance with SNI 19-7030-2004 the temperature is not more than 30 and the pH ranges from 6.80-7.49. While the production of vermicompost produces P3 as a treatment that produces the highest production, namely with a production of 1400 grams with a waste degradation of 40.0%.
EKSPLORASI SIFAT FUNGSIONAL DAN APLIKASI BAKTERI ASAM LAKTAT PENGHASIL EKSOPOLISAKARIDA PADA PRODUK SUSU FERMENTASI Putri Dian Wulansari; Novia Rahayu; Nurul Frasiska; Firgian Ardigurnita
JURNAL SAINS PETERNAKAN NUSANTARA Vol. 3 No. 01 (2023): JURNAL SAINS PETERNAKAN NUSANTARA
Publisher : Universitas Ma'arif Nahdlatul Ulama Kebumen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53863/jspn.v3i01.907

Abstract

Exopolysaccharides are a class of extracellular biopolymers synthesized by bacteria. Exopolysaccharides are widely used in the dairy industry because of the interest in their health benefits and the improvement in the quality of the products they offer. This article describes the bacterial exopolysaccharide related to factors affecting exopolysaccharide growth, structure and growth of exopolysaccharide strains, exploration of exopolysaccharide strains from various sources, the health benefits they offer, the impact of using exopolysaccharide on product quality, and its application of exopolysaccharide strains in fermented milk products. Exopolysaccharides are claimed to have health-promoting benefits such as: anti-carcinogenic, antioxidant, immunomodulatory and lowering blood cholesterol. In addition, exopolysaccharide strains have the benefit of improving product quality because exopolysaccharides act as thickening, emulsifying and gelling agents. The application of exopolysaccharide strains is widely used in the dairy industry such as in products: yogurt, kefir, cheese, sour cream and other fermented milk. This article explains the exploration, functional properties and application of exopolysaccharide-producing LAB in fermented milk products. Keywords: LAB, Exopolysaccharides, and Fermented Milk.
The Effect of Incorporating Ginger Extract (Zingiber officinale) to Cow Milk Kefir: An Analysis of Antioxidant and Microbiological and Physicochemical Characteristics Putri Dian Wulansari; Novia Rahayu; Nurul Frasiska
ANIMAL PRODUCTION Vol. 22 No. 3 (2020)
Publisher : Faculty of Animal Science, Jenderal Soedirman University in associate with the Animal Scientist Society of Indonesia (ISPI) and the Indonesian Association of Nutrition and Feed Science (AINI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jap.2020.22.3.67

Abstract

This study aimed to analyze the antioxidant activities and microbiological and physicochemical characteristics of cow milk kefir fortified with ginger extract (Zingiber officinale). The ginger extract was incorporated together with grain before the fermentation. The levels of ginger extract concentrate were 0, 0.5, 1.0, 1.5, and 2.0 % (w/w). The ginger used in this study is a thick ginger extract that is added before the kefir fermentation process. The result showed that a higher level of ginger extract added to the fermentation could improve the antioxidant activities of the cow milk kefir. The kefir sample fortified with 2.0% ginger extract produced the highest antioxidant activities, particularly DPPH IC50 (0.32%) and a total polyphenol of 0.72%. This study found that the higher the ginger extract level, the lower the total count, total LAB, and total yeast. The average value of physicochemical characteristics for free fatty acid, lactic acids, alcohol, and pH in the present study was 0.5503 mg/KOH, 1.0005%, 1.628 g/dL, and 4.42, respectively. In conclusion, the ginger extract was effective for producing kefir with high antioxidant activities (DPPH IC50) and total polyphenol.