Utilization of Metroxylan sagu Pith Waste as Biodegradable Filler for Natural Rubber (NR) Latex Films

2017 ◽  
Vol 264 ◽  
pp. 198-201 ◽  
Author(s):  
A. Rashid Azura ◽  
Nuraiffa Syazwi Adzami ◽  
Husnul A. Tajarudin
Keyword(s):  
Natural Resources ◽  
Natural Rubber ◽  
Tensile Properties ◽  
Agricultural Waste ◽  
Value Added ◽  
Extraction Process ◽  
Sem Analysis ◽  
Sago Starch ◽  
Latex Films ◽  
A Value

Utilization of agricultural waste toward sustainability has increase a value-added product from a natural resources nowadays. Metroxylan sagu pith waste (MSPW) is a residue from starch extraction process. This research aim to investigate the potential of MSPW as a biodegradable fillers to replace sago starch in Natural Rubber (NR) latex films. The MSPW flour is characterized and compared with sago starch. Results shown MSPW has almost similar properties with sago starch with high content of starch (60%) and moisture (80%). Spectra of MSPW and Sago Starch (SS) are very closed to one another due to the similarity of functional groups. SS has granular shape while MSPW has irregular shape under SEM analysis. The addition of MSPW shown slightly lower tensile properties and tear strength as compared to SS but still within the acceptable value. Thus, MSPW has high potiential to replace SS as biodegradable fillers in NR latex films.

scholarly journals A Practical Case Report on the Node Point of a Butterfly Model Circular Economy: Synthesis of a New Hybrid Mineral–Hydrothermal Fertilizer for Rice Cropping

2020 ◽  
Vol 12 (3) ◽  
pp. 1245
Author(s):  
Mei-Yun Chang ◽  
Wu-Jang Huang
Keyword(s):  
Case Report ◽  
Circular Economy ◽  
Agricultural Waste ◽  
Value Added ◽  
Waste Recycling ◽  
Practical Case ◽  
Node Point ◽  
A Value ◽  
Circular Design ◽  
Mineral Waste

With the increased importance of a circular economy in the world, in this paper we present a practical “butterfly model” (proposed by the Ellen MacArthur Foundation) case report: to gain extra benefits in rice cropping through hybridizing green products of mineral waste and agricultural waste recycling. Hydrothermal biorefinery was used to turn spent agricultural biomass into a value-added biomass nutrient solution (BNS). BNS and sericite mineral waste were mixed and used as a new hybrid mineral–hydrothermal fertilizer for rice cropping. The most important extra benefit of this new hybrid mineral–hydrothermal fertilizer was that the empty grains could be reduced to 1–4 grains/spike (normally, it is 12–18 grains/spike), without significantly decreasing the panicle weight or spike saturation. This case report provides a new logic for circular design at the “node” point of a butterfly diagram.

scholarly journals Utilization of Agricultural Waste for the Production of Xylooligosaccharides Using Response Surface Methodology and Their In Vitro Prebiotic Efficacy

2021 ◽  
Author(s):  
Nagamani Kathiresan ◽  
Lingesh Gopal ◽  
Vijay Karuppiah ◽  
Renuka Naveenethan ◽  
David Ravindran Abraham ◽  
...  
Keyword(s):  
Response Surface Methodology ◽  
Enzymatic Hydrolysis ◽  
Response Surface ◽  
Sugarcane Bagasse ◽  
Agricultural Waste ◽  
Relative Yield ◽  
Value Added ◽  
A Value ◽  
Hydrolysis Of

Abstract Air pollution is a prominent problem recently faced in various parts of India due to the burning of stubbles (coconut husk, corn cob, paddy stubbles, sugarcane bagasse, etc.) which are rich in a lignocellulosic component that can be converted into a prebiotic known as Xylooliogsaccaride (XOS). They can be produced by autohydrolysis, acid hydrolysis and enzymatic hydrolysis of xylan. In the present study, Xylan was extracted from sugarcane bagasse using two alkalis (NaOH and KOH) and the yield was compared. Xylooligosaccharide produced by enzymatic hydrolysis and their factors influencing the yield were optimized using Response Surface Methodology. Xylan and Xylooligosaccharide was characterized by FTIR, NMR, XRD, TGA and ESI-MS. Xylooligosaccharides was investigated for their prebiotic potential by in vitro study. The maximum (Relative yield of 86%) yield of xylan was observed in 20% of NaOH. Xylan peaks at 3762cm− 1, 3347 cm− 1, 2917cm− 1 represents the OH and CH stretching of xylan. The main signals at 4.26 (H-1), 3.19 (H-2), 3.59 (H-3), 3.63 (H-4) and 3.98 (H-5) ppm determines the existence of xylan. The higher amount of XOS is pH 4.75, temperature 45°C, enzyme 4U/ml and for time of 16h. The spectrum of 5.0-5.40ppm and 4.30-4.60ppm represents the α anomeric and β anomeric protons in XOS. They are resistant digested and the reaching percentage to the intestine is 95% unhydrolyzed. The maximum prebiotic index was noted in L.plantarum (1.92) and L.fermentum (1.61). The highest prebiotic index and score was observed in L.plantarum (1.9) and L.fermentum (17). The maximum bacteriocin production of Enterococcus faecium against E.fecalis (13mm) and Streptococcus pyogenes (11mm). Therefore, utilization of agricultural residues for a value-added product not only shows a great impact on environmental issues but also could double the farmer’s income

scholarly journals MEMPELAJARI KONDISI OPTIMUM PEMBUATAN BIOETANOL MELALUI HIDROLISIS ENZIMATIS MENGGUNAKAN Sacharomycess cereviceae DARI PATI SAGU DAN UMBI TALAS

2015 ◽  
Vol 5 (1) ◽  
pp. 26
Author(s):  
Marniati Salim ◽  
Elida Mardiah ◽  
Yosi Opthymal ◽  
Febby Febrizal
Keyword(s):  
Natural Resources ◽  
Key Words ◽  
Value Added ◽  
Reducing Sugar ◽  
Sago Starch ◽  
Bioethanol Production

Vol 5 No 1ABSTRACT Sago (Metroxylon sp) and umbi talas (Colocasia gigantea Hook F) are natural resources that are found in plantyfull Indonesian. However, these potencies are not yet processed to give an optimum value added product. Sago and taro are rich of starch, that could be fermented to form bioethanol for reneweable energy. The ethanol were produced by fermenting the hydrolized starch of sago and taro with yeast. The starch of sago and taro were hydrolized enzymaticly by α-amylase and glucoamylase. Sago and taro (15 g each) were grinded and hydrolized by α-amylase and then by glucoamylase at the variation of volume of 4, 5, 6, 7, and 8 mL for 1, 2, 3, 4, and 5 hours. The glucose produced was measured by Somogy-Nelson methods. The product of sago hydrolysis were optimum with 6 mL of α-amylase and 6 mL glucoamylase for 2 hours to give 59.11 g/L of reducing sugar. The product of taro with 6 mL α-amylase and 7 mL glucoamylase for 4 hours which gave 64.22 g/L of reducing sugar. The product of ethanol were analyzed by Gas Cromatography (GC). The maximum bioethanol production obtained optimum after 4 days fermentation of hydrolized sago starch and after 5 days fermentation of hydrolized taro starch which were 3.742% and 4.0123%. Key words: Bioethanol, sago starch, taro, enzymatic hydrolysed, α-amylase and glucoamylase

scholarly journals The Market Potential of a Grape Pomace Microemulsion

2017 ◽  
Vol 6 (2) ◽  
pp. 65
Author(s):  
Daniel Lambert ◽  
Michel Rod ◽  
Christine Dobbin ◽  
Farah Hosseinian
Keyword(s):  
Food Waste ◽  
Agricultural Waste ◽  
Value Added ◽  
Grape Seed ◽  
Grape Pomace ◽  
Market Potential ◽  
Wine Production ◽  
A Value ◽  
Grape Seed Oil ◽  
Value Added Products

Canada’s food waste reached $31 billion in 2014. 95% of this waste ended up in landfills across the country, being a severe burden both economically and environmentally. By implementing sustainable agriculture projects, alternative uses can be found for food waste that produce positive income for companies, and alleviate stresses on the environment. Grape pomace, a food waste produced through the process of wine-making, currently ends up in landfills after wine-production. However, this agricultural by-product holds great market potential for the production of chemical microemulsions. These microemulsion systems show great potential in the food, pharmaceutical and cosmeceutical industries. The market potential was calculated by determining the volume of grape seed oil that could be extracted from grape pomace. The current market value of microemulsion surfactants were then obtained and a value was calculated based on the oil yield. Grape pomace microemulsions had the highest market potential as pharmaceutical raw ingredients, followed respectively by food additive and cosmeceutical raw ingredients. The purpose of this paper is to measure the market potential for grape pomace microemulsions in each of these industries and to provoke further investigations into the production of value added products from agricultural waste.

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