Pretreatment and optimization of processing conditions for extraction of oleuropein from olive leaves using central composite design

P, Sucharitha; Satyanarayana, Srinath; Reddy, K. N.

doi:10.4103/pr.pr_179_18

Cited by 10 publications

(5 citation statements)

References 3 publications

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“…This was due to the more concentrated PAA making the degradation process more optimal. The higher concentration in the PAA solution caused more lignin dissolution and increased the α-cellulose content [16]. This was according to [17], where the more CH3COOH moles in the PAA solution were the more maximal PAA was formed, because the concentration of H + could reduce the decomposition of PAA.…”

Section: The Results Of α-Cellulose Isolationmentioning

confidence: 95%

Isolation and Characterization α-Cellulose from Cocoa Pod Husk using Peracetic Acid

Dimawarnita,

Indriyantini,

Faramitha

et al. 2023

IOP Conf. Ser.: Earth Environ. Sci.

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Cocoa Pod Husk (CPH) is the main by-product of cocoa pods (Theobroma cacao L.) with 67-76% of fruit weight. However, CPH has a negative impact if it is not utilized and disposed of directly in the environment. The main fiber content in CPH is in the form of lignin, cellulose, hemicellulose, and pectin. Cellulose content, especially α-cellulose has a high potential if it is further utilized, one of which is nanocellulose. This study aims to produce α-cellulose from cocoa husks with high purity. The first research activity carried out was the process of removing pectin and bleaching to be free from impurities such as pectin, lignin, and hemicellulose. Then the cellulose isolation process using Peracetic Acid (PAA) can shorten the α-cellulose isolation process. The variation of PAA concentration was 1:4 (mol/mol) without dilution; 1:4 (mole/mole) by dilution; and 1:1 (mole/mole). The results of this study were the highest α-cellulose content of 69.39% was obtained from a 1:4 mole ratio of PAA without dilution. However, the α-cellulose content obtained did not qualify the SNI 938-2017 standard, which was 94%. FTIR, XRD, and SEM characterization showed that α-cellulose was present in hydrolysed CPH.

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Section: The Results Of α-Cellulose Isolationmentioning

confidence: 95%

Isolation and Characterization α-Cellulose from Cocoa Pod Husk using Peracetic Acid

Dimawarnita,

Indriyantini,

Faramitha

et al. 2023

IOP Conf. Ser.: Earth Environ. Sci.

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“… Leaves Content of European (μg mg -1 ): It was estimated according to the method mentioned in [9].  Leaves Content of Nitrogen (%): Nitrogen was determined according to the method mentioned in [10] using the Simi-Micro Kjldahl apparatus.…”

Section: Studied Traitsmentioning

confidence: 99%

The Effect of Organic and Chemical Fertilizers and Moringa Leaves Extract on the Content of some Compounds and Nutrients in Olive Leaves

Mohammed,

Ismaeal

2023

IOP Conf. Ser.: Earth Environ. Sci.

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The study was Conducted in the Orchard of the Department of Horticulture and Landscape Engineering at the College of Agriculture-University of Anbar for the season 2021-2022 on Olive Trees, cv. K18, at the age of 8 years, to find out the effect of adding Organic fertilizer at levels H0 without addition and H1, adding Humic acid at a Concentration of 10 g L-1 and H2, adding poultry waste at a level of 8 kg Tree-1 and the addition of NPK in three Concentrations N0 without addition and N1 concentration of 50g Tree-1 and N2 Concentration of 100g Tree-1 and spraying with Moringa Leaves extract with two concentrations M0 without spraying and M1 spraying with a concentration of 4% in the Content of Olive tree Leaves of some compounds and nutrients. A factorial experiment was carried out according to the Randomized Complete Block Design RCBD with three Replications. The results showed the significant superiority of the Treatment of adding poultry waste at the level of 8kg Tree-1 in the Leaves Content of Total Phenols 105.59%, Phenol Oleuropein 92.03%, Nitrogen 1.585%, Phosphorus 0.119%, Potassium 0.831% and Magnesium 0.234%. and Calcium amounted to 1.239%, and the Treatment of adding Chemical fertilizer with a concentration of 100g Tree-1 excelled in all studied traits. As for spraying with Moringa Leaves extract, there were significant differences in the Leaves’ Content of compounds and nutrients. As for the binary and triple interactions between the study factors, they were There are significant differences in most of the studied traits.

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“…Leaves could be a promising source to exploit valuable compounds such as phenolics. Different phenolic compounds have been separated from different leaves, for instance, chlorogenic acids and anthocyanin from blueberry leaves [21]; 5-O-galloylquinic acid and 5-O-galloylquinic acid from mastic tree leaves [22]; phenolic acid derivatives and flavonoids from moringa leaves [23]; oleuropein from olive leaves [24]; isoquercetin, catechin, hydroquinin, gallic acid, tannic acid, and rutin from cashew leaves [25], among others. Other biomass of agricultural origin, in specific, biomass form postharvest by-products, and food-processing by-products and wastes, are not homogenous and may come from different fields with differing cultivation procedures, conditions and processing; consequently, a standardization process is necessary.…”

Section: Promising Biomass As a Part Of Bio-refinery Approachmentioning

confidence: 99%

A Review on the Biorefinery Approach and Marketing Strategy of Leafy Biomass

Yeasmen,

Bhuiyan,

Orsat

2023

Preprint

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In terms of sustainability, there is a pressing need to evaluate agricultural and forestry leafy biomass that has no current economic value or may pose a threat to the environment. In this aspect, leafy biomass, which represents around 5% of the total tree, can be used for purposes that would be more profitable and ecofriendly. To this end, biorefinery of leafy biomass in the way of extracting valuable health compounds such as phenolics would ensure a valuable societal health ingredient besides alleviating waste disposal problem. However, during the biorefinery process, the primary challenges start with ensuring the feedstock to produce phenol rich leaves extract followed by their isolation and commercialization of this leaves extract. This current review aims to detail the types of biomasses, biorefinery approach of leafy biomass towards the phenolic extraction, leaves commercialization followed by the marketing strategy of the application of phenol rich leaves extract. The outcome of this overview will serve researchers and relevant industries in understanding the process for feedstock collection and the suitable sectors to apply leafy biomass derived healthy compounds.

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Pretreatment and optimization of processing conditions for extraction of oleuropein from olive leaves using central composite design

Cited by 10 publications

References 3 publications

Isolation and Characterization α-Cellulose from Cocoa Pod Husk using Peracetic Acid

Isolation and Characterization α-Cellulose from Cocoa Pod Husk using Peracetic Acid

The Effect of Organic and Chemical Fertilizers and Moringa Leaves Extract on the Content of some Compounds and Nutrients in Olive Leaves

A Review on the Biorefinery Approach and Marketing Strategy of Leafy Biomass

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