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Pine tannin extraction from residues of pine forest exploitation / Mireia Conde in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CXV, N° 6 (06/2020)
[article]
Titre : Pine tannin extraction from residues of pine forest exploitation Type de document : texte imprimé Auteurs : Mireia Conde, Auteur ; Felipe Combalia, Auteur ; Lluis Ollé, Auteur ; Anna Bacardit, Auteur Année de publication : 2020 Article en page(s) : p. 215-221 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Agents de tannage
Biomasse
Bois -- Déchets
Caractérisation
Chimie analytique
Chromatographie
Déchets organiques -- Recyclage
Ecorces
Extraction (chimie)
Pins et constituants
Recyclage (déchets, etc.)
Tanins végétauxIndex. décimale : 675.2 Préparation du cuir naturel. Tannage Résumé : The main aim of this study is to use the vegetable extract obtained from the residues of pine forest exploitation as a source of tannins that, acting both as a tanning and retanning agent, can replace other vegetable extracts and chrome in leather tanning. The study thus proposes a bio resource more sustainable to use in tanning process that avoids the use of chemical products that are detrimental to our health and can have an impact on the biodegradable nature of the final tanned leather. Furthermore, in addition to the benefits of using a new, fully biodegradable tanning material (Biodegradability of vegetable tanned leather is poor than chrome tanned leather), this is a locally sourced product, which allows the carbon footprint to be notably reduced (Vegetable tanning contributes more carbon foot print than chrome tanning). Additionally, it should be possible to add value to forestry residues over a short period of time, which would undoubtedly contribute to improving forest management in Spain and would also be beneficial in many ways. Note de contenu : - EXPERIMENTAL : Collection of residual forest biomass - Physical modification - Chemical analysis
- RESULTS AND DISCUSSION : Initial analysis of tanning agents of the by-products - Physical modification of by-products - Physical characterization of the bark - Characterization of tannins in pine by-products by HPLC-UVDOI : https://doi.org/10.34314/jalca.v115i6.3821 En ligne : https://drive.google.com/file/d/1kaPjaufGo4eVp1r8r_Z4p1goLoIx9sCG/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=34323
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Code-barres Cote Support Localisation Section Disponibilité 21821 - Périodique Bibliothèque principale Documentaires Disponible Plant extracts : sustainable and multifunctional cosmetic ingredients / Sandra Kiese in SOFW JOURNAL, Vol. 150, N° 1/2 (01-02/2024)
[article]
Titre : Plant extracts : sustainable and multifunctional cosmetic ingredients Type de document : texte imprimé Auteurs : Sandra Kiese, Auteur ; Arielle Springer, Auteur ; Daniela Leistl, Auteur Année de publication : 2024 Article en page(s) : p. 24-29 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Antioxydants
Développement durable
Extraits de plantes
Extraits de plantes:Extraits (pharmacie)
Ingrédients cosmétiques
Matériaux -- Propriétés fonctionnelles
Peau -- Soins et hygiène
Produits antisolaires
Tanins végétauxIndex. décimale : 668.5 Parfums et cosmétiques Résumé : The cosmetics industry is in the midst of a significant shift, driven by consumer demand for both natural and sustainable ingredients. This transformation is accelerated by concerns on conventional components like UV filters, known for potential environmental degradation and endocrine disruption. Despite the urgency, natural UV-absorbing alternatives based on chemical light absorption remain scarce. Secondary plant substances (SPS), particularly water-soluble tannins, present a promising possibility. This study investigated the reducing capacities, antioxidant activity, tannin contents, and UV-absorption properties of various plant-based extracts mainly obtained from by-products and residues from the agricultural and food industry. By utilizing side-streams, emerging ingredients are potential factors to contribute to the sustainability of cosmetics. The results revealed that bark and tea grounds exhibited the highest reducing capacities and antioxidant activities, making them potential natural sources. Fruit peels, however, showed relatively low antioxidant capacities. Tannin contents varied significantly among the samples, with wine pomace and bark having the highest levels. The UV-absorption measurements indicated that the extracts had the ability to block UV-A and even some visible light, except for fruit peels and nut shell extracts, which were less suitable for UV protection. These findings provide valuable insights into the properties and potential applications of these natural extracts. Note de contenu : - Plant extracts in cosmetics : sustainable efficacy
- Materials and method
- Results and discussion
- Benefits for raw material and product manufacturers in the chemical and cosmetic industryEn ligne : https://drive.google.com/file/d/1zZTi1XoqTmOlDrnzzVf3odPJJcXASjSw/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=40707
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Code-barres Cote Support Localisation Section Disponibilité 24427 - Périodique Bibliothèque principale Documentaires Disponible Potential of water hyacinth leaves extract as a leather tanning agent / Fitsum Etefa Ahmed in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CXVII, N° 9 (09/2022)
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Titre : Potential of water hyacinth leaves extract as a leather tanning agent Type de document : texte imprimé Auteurs : Fitsum Etefa Ahmed, Auteur ; Gemeda Gebino Gelebo, Auteur ; Belay Meles Gebre, Auteur Année de publication : 2022 Article en page(s) : p. 391-399 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Chimie végétale
Cuirs et peaux -- Analyse
Cuirs et peaux -- Propriétés physiques
Extraits de plantes
Jacinthe d'eau et constituantsLa jacinthe d'eau ou camalote (Eichhornia crassipes) est une espèce de plantes monocotylédones de la famille des Pontederiaceae, originaire d'Amérique du Sud. Ce sont des plantes aquatiques des rivières, canaux et lacs des régions tropicales. On pense que la jacinthe d'eau provient de la cuvette amazonienne et des grands lacs et marais de la région du Pantanal dans l'ouest du Brésil. L'espèce fait partie des 100 pires espèces envahissantes selon l'UICN.
Tanins végétaux
Tannage végétal
Température de retraitIndex. décimale : 675.2 Préparation du cuir naturel. Tannage Résumé : Potential of Water Hyacinth Leaves Extract as a Leather Tanning Agent
Water hyacinth (Eichhornia crassipes) is listed as one of the worst aquatic plants in the world and its presence in Lake Tana in Ethiopia has been recognized since 2011. Currently, the plant coverage in the lake is increasing and very limited studies have been conducted in the country on practical application of water hyacinth. The aim of this study was to determine the phytochemicals, functional groups and Tannin content of the water hyacinth plant found in the Lake, which could serve as a vegetable tanning agent. Both qualitative and quantitative approaches were used to assess the quality tannin in the plant stem and leaves. On phytochemical analysis of the dried material, the tannin content was found to be 4.1% for leaves and 2.7% for stem parts. As the tannin content of the leaves was higher than the stem parts, leather tanning conducted using the 10% wt and 20% wt leaves and the quality of tanned leathers was evaluated and compared with the leather made from quebracho vegetable tanning material as a control. Most properties of leathers tanned using the leaves met the minimum specified standards for leather product manufacturing, which includes tearing strength > 45 N, percent elongation at break > 42% distension at grain crack > 6.5 mm, and distension at burst >7.8 mm. Even though shrinkage temperature is one of the most important parameters in determining the thermal stability of leather, the leather tanned with leaves extract had a shrinkage temperature of 52°C, which is lower than the standard limit (75°C) for leather product manufacturing. This indicated that, the crosslinking reaction between the hide (collagen fibers) and tannins (leaves) was weaker, implying that the leather would not be as durable or of higher quality. Similarly, the maximum tensile strength of tanned leather was 7.2 N/mm2, which is lower than the standard requirement (20 N/mm2) for leather product manufacturing. Therefore, water hyacinth leaves extract has limited potential as a vegetable tanning agent, and the tanned leather will not be used to make leather products that requires good thermal resistance and strength. On the other hand, the tanned leather may be utilized for leather products that need minimal tensile strain and thermal property requirements such as leather photo frames, sketchbook leather bound, etc. Since water hyacinth tannin is less than ideal as a tanning agent due the minimum shrinkage temperature and tensile strength of the tanned leather, the potential of the plant as a retanning agent should be studied in future.Note de contenu : - INTRODUCTION : Water hyacinth infestation in lake Tana, Ethiopia
- METHODOLOGY : Methods - Plant collection and drying - Percentage yield of dried water hyacinth plant leaves and stems parts - Plant powder preparation - Extract preparation - Phytochemical tests - Beam house operations - Vegetable tanning operations
- RESULTS AND DISCUSSION : Flavonoids detection - Saponins detection - Phenols detection - Tannin detection - Alkaloids detection - Starch detection - Protein detection - Tannin and tannin content determination by hide powder method - Physical characteristics of vegetable tanned leather - Tearing strength - Shrinkage temperature - Grain crack and grain burst - Tensile strength - Elongation analysis - Thickness (mm)
- Table 1 : Beam house operations recipe and procedure
- Table 2 : Vegetable tanning operations recipe and procedure
- Table 3 : Phytochemical analysis of water hyacinth leaves and stems parts
- Table 4 : Tannins content found in the water hyacinth plant's leaves and stems
- Table 5 : Physical test results of vegetable tanned leatherDOI : https://doi.org/10.34314/jalca.v117i9.6169 En ligne : https://drive.google.com/file/d/1ni2fOXS2WI1btMYHj2_J70BsoOcJ-JeH/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=38078
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Code-barres Cote Support Localisation Section Disponibilité 23609 - Périodique Bibliothèque principale Documentaires Disponible Potentilla erecta (L.) raeusch as an alternative source of environmentally friendly polyphenols for leather tanning / Virgilijus Valeika in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CXIII, N° 6 (06/2018)
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Titre : Potentilla erecta (L.) raeusch as an alternative source of environmentally friendly polyphenols for leather tanning Type de document : texte imprimé Auteurs : Virgilijus Valeika, Auteur ; Birute Sapijanskaite, Auteur ; Justa Sirvaityte, Auteur ; Viktoriia Plavan, Auteur ; Rasa Alaburdaite, Auteur Année de publication : 2018 Article en page(s) : p. 183-191 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Flavonoïdes
Fourier, Spectroscopie infrarouge à transformée de
Granulométrie
Plantes à tanins
Poids moléculaires
Polyphénols
Potentiel zeta
Spectroscopie de la résonance magnétique nucléaire
Tanins végétaux
Tannage végétalIndex. décimale : 675.2 Préparation du cuir naturel. Tannage Résumé : High content of polyphenols in plant extracts explains their biological activitity. These extracts also can be used in antimicrobial therapy as an alternative to chemical drugs. A large number of hydroxyl and other functional groups in the polyphenols preconditions formation of strong cross-links with proteins and other macromolecules. The leather tanning technology, known as vegetable tanning, was the prevailing process for leather manufacturers over centuries until it has gradually been displaced by tanning with a use of inorganic chromium compounds by the end of the 19th century. Unfortunately, the vegetable sources with importance for leather tanning are limited in number of plant materials. Potentilla is considered as a tannin-rich plant. It is estimated that tannin content in Potentilla Erecta (L.) Raeusch is approx. 15-22%. The results of the present study have shown that Potentilla Erecta (L.) Raeusch can be characterized as a potential tannin rich plant source for leather tanning industry. The extracts of Potentilla mainly contain condensed tannins, but also some amounts of hydrolysable tannins are present. The yield of the extractives from Potentilla rootstocks was found to be 21.3%: 11.5% tannins and 9.8% non-tannins. The tannin content in Potentilla is comparable to the ones extracted from Ouebracho and Chestnut wood, tannins that are used widely in leather industry. Note de contenu : - MATERIALS
- METHODS : Preparation of plant extracts - Total content of phenolic compounds - Determination of total flavonoid content - DPPH scavenging activity - Analysis of tannin content (hide-powder test) - FTIR-spectroscopy - NMR spectroscopy - Particle size distribution - Zeta potential measurements - Molecular weight distribution - Leather tanning
- FTIR SPECTRA OF TANNINS : Physica characteristics - NMR spectra - Bioactivity - Tanning ability - Leather tanningEn ligne : https://drive.google.com/file/d/10WsOt13IBXWqBxmfso4NP4baZv8aYxaI/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=30687
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Code-barres Cote Support Localisation Section Disponibilité 19986 - Périodique Bibliothèque principale Documentaires Disponible Pour des rendements élevés : mimosa / London [United Kingdom] : Wattle Export Development (nd)
Titre : Pour des rendements élevés : mimosa Type de document : texte imprimé Editeur : London [United Kingdom] : Wattle Export Development Année de publication : nd Importance : np Format : 23 cm Langues : Français (fre) Catégories : Mimosa et constituants
Tanins végétaux
Tannage végétalIndex. décimale : 675.2 Préparation du cuir naturel. Tannage Résumé : L'extrait de mimosa permet d'obtenir un cuir ayant un degré de tannage élevé et très peu de matières lavables à l'eau. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=33372 Réservation
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Code-barres Cote Support Localisation Section Disponibilité 21475 675.2 POU Monographie Bibliothèque principale Documentaires Disponible PermalinkPowdered hide model for vegetable tanning II : hydrolyzable tannin / Eleanor M. Brown in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CX, N° 1 (01/2015)
PermalinkPreparation and characterization of polyphenol-modified gelatin products / Maryann M. Taylor in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CVII, N° 2 (02/2012)
PermalinkPreparation and evaluation of tara-modified proteins / Maryann M. Taylor in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CVIII, N° 1 (01/2013)
PermalinkProduction of titanium-tanned goat suede garment leathers / M. P. Swamy in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 66 (Année 1982)
PermalinkPermalinkQuebracho forestal
PermalinkRedevelopment of medieval leathers for the curragh "Brendan's" transatlantic voyage 1976-77 / H. A. Birkin in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 61 et 62 (Années 1977 et 1978)
PermalinkRedevelopment of medieval leathers for the curragh "Brendan's" transatlantic voyage 1976-77 / H. A. Birkin in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 62, N° 3 (05-06/1978)
PermalinkRemediation of spent vegetable tannins from waste tanning liquor through coagulation and ultrasound pre-treatment : a sustainable approach / Resmi Mohan in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CXVII, N° 9 (09/2022)
PermalinkRemoval of Erioglaucine (Acid Blue 9) with a new coagulant agent from Acacia mearnsii tannin extract / Jesùs Sà nchez Martin in COLORATION TECHNOLOGY, Vol. 128, N° 1 (2012)
PermalinkSoaking with tannins-the biocidal activity of vegetable tannins used in the soaking float / S. M. Colak in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 90, N° 5 (09-10/2006)
PermalinkSoluble collagen approach to a combination tannage mechanism / Eleanor M. Brown in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CXI, N° 4 (04/2016)
PermalinkStability of a Rhus Coriaria L. tannin extract under different storage conditions / A. Zalacain in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 85, N° 6 (11-12/2001)
PermalinkStructural differences between commercial acacia mangium tannin and its effluent / Teng Bo in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CXI, N° 3 (03/2016)
PermalinkStudies of structure changes of archeological leather by FTIR spectroscopy / Yang Zhang in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 102, N° 5 (09-10/2018)
PermalinkStudy of the qualitative and semi-quantitative analysis of grape seed extract by HPLC / Silvia Sorolla in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CXIII, N° 3 (03/2018)
PermalinkSur le comportement de divers tanins végétaux dans le tannage rapide / H. Herfeld / London [United Kingdom] : Wattle Export Development (1962)
PermalinkSurface properties of tannin-impregnated and varnished beech wood after exposure to accelerated weathering / Mesut Yalcin in COLORATION TECHNOLOGY, Vol. 133, N° 4 (08/2017)
PermalinkSustainable finished leather preservation / Ruby Shekinah in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CXIX, N° 2 (02/2024)
PermalinkSustainable metal-free leather manufacture via synergistic effects of triazine derivative and vegetable tannins / Yuanhang Xiao in COLLAGEN AND LEATHER, Vol. 5 (2023)
PermalinkSynthesis, characterisation and application of novel valonia tannin based waterborne polyurethane with natural colour / Yang Liu in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 103, N° 3 (05-06/2019)
PermalinkSynthesis of an amphoteric polymer auxiliary agent and its application to chrome-free leather / Luo Jianxun in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 102, N° 6 (11-12/2018)
PermalinkTamarind shell tannin-doped hybrid sol-gel coatings on mild steel in acidic medium toward improved corrosion protection / Abdullahi Abdulmajid in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 19, N° 2 (03/2022)
PermalinkTannin analysis by near infrared spectroscopy in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 79, N° 1 (01-02/1995)
PermalinkTannin analysis of selected plants from Laikipia County, Kenya / Alex Kuria in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 100, N° 2 (03-04/2016)
PermalinkTannin characterization and sourcing in historical leathers through FTIR spectroscopy and PCA analysis / Alireza Koochakzaei in COLLAGEN AND LEATHER, Vol. 5 (2023)
PermalinkTanning capacity of Tessmannia burttii extracts : the potential eco-friendly tanning agents for the leather industry / Cecilia R. China in JOURNAL OF LEATHER SCIENCE AND ENGINEERING, Vol. 3 (Année 2021)
PermalinkTara (Caesalpinia spinosa) : The sustainable source of tannins for innovative tanning processes / Juan-Carlos Castell in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CVIII, N° 6 (06/2013)
PermalinkTerminalia chebula, la plante sacrée de la médecine bouddhique / François Marchio in EXPRESSION COSMETIQUE, N° Hors série (12/2014)
PermalinkThe chemistry of vegetable tannins / London [Royaume Uni] : Society of Leather Trades'Chemists (1956)
PermalinkThe effect of mordant salts on antibacterial activity of wool fabric dyed with pomegranate and walnut shell extracts in COLORATION TECHNOLOGY, Vol. 128, N° 6 (2012)
PermalinkThe function of the basic groups of collagen in its reaction with vegetable tannins / Karl Helmer Gustavson in JOURNAL OF THE SOCIETY OF LEATHER TRADES' CHEMISTS, Vol. 50, N° 4 (04/1966)
PermalinkThe measurement of the binding of tannin subunits to soluble collagen by continuous-flow dynamic dialysis / Neil A. Sparrow in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 66 (Année 1982)
PermalinkThe natural organic tannins / Maximilian Nierenstein / Londres [Royaume-Uni] : J. & A. Churchill ltd. (1934)
PermalinkUltrasound assisted vegetable tannin extraction from myrobalan nuts for leather application / Venkatasubramanian Sivakumar in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CXIII, N° 2 (02/2018)
PermalinkUltrasound extraction of valonea tannin and its effects on extraction yield / Cigdem Kilicarislan Ozkan in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CVII, N° 11 (11/2012)
PermalinkVegetable tannins / E. H. W. Rottsieper / Saint-Albans : W. Cartmel & Sons (1946)
PermalinkWet-white leather processing : a new complex combination tannage / Luo Jianxun in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 95, N° 3 (05-06/2011)
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