Structure of citric acid

Citric Acid - Structure, Properties, Uses of C6H8O

  1. Citric Acid structure - C 6 H 8 O 7 C 6 H 8 O 7 Uses (Citric Acid) It is used as an antioxidant It is used as a cleaning agent - as an ingredient in kitchen and bathroom cleaning solutio
  2. Learn more about citric acid chemical structure at Mol-Instincts. Citric acid contains.
  3. Structural Formula. C 6 H 8 O 7. citric acid
  4. Citric acid is an organic compound with the chemical formula HOC(CO2H)(CH2CO2H)2. Usually encountered as a white solid, it is a weak organic acid. It occurs naturally in citrus fruits. In biochemistry, it is an intermediate in the citric acid cycle, which occurs in the metabolism of all aerobic organisms. More than two million tons of citric acid are manufactured every year. It is used widely as an acidifier, as a flavoring, and a chelating agent. A citrate is a derivative of citric acid; that
  5. Citric acid is an organic compound with the chemical formula HOC (CO 2 H) (CH 2 CO 2 H) 2. Usually encountered as a white solid, it is a weak organic acid. It occurs naturally in citrus fruits. In biochemistry, it is an intermediate in the citric acid cycle, which occurs in the metabolism of all aerobic organism s

Citric acid Structure - C6H8O7 - Over 100 million chemical

  1. We have already discussed the structure of Citric Acid. Now, let us move to citric acid's properties. The citric acid common name is citrate, and the systematic IUPAC name of Citric acid is 2-Hydroxypropane-1,2,3-tricarboxylic acid. The Citric acid density is 1.66 g/cm³
  2. Citric acid occurs in two forms; Monohydrate and Anhydrous. In both forms, the chemical name and structure of citric acid remain the same. It is a try basic acid, odourless, appears as a white crystalline solid and sour in taste. In 1784, Carl Wilhelm Scheele isolated this organic acid for the first time
  3. ed by elemental analysis and molecular weight deter
  4. Chemical Structure of Citric Acid: Structurally, citric acid is a hydroxypropane-1, 2, 3 tricarboxylic acid and is shown in Fig. 4.1. Fermentation Process of Citric Acid: Various fermentation processes used for the manufacture of citric acid are shown in Fig. 4.2
  5. Citric acid is a weak acid. In its natural form, it looks like small, clear crystals, similar to table salt. Although it is odorless, it has an acidic taste. It is an alpha-hydroxy acid (AHA).This.

Citric acid has three carboxylic acid groups, three ionizable, acidic hydrogen atoms and three Ka/pKa values. The neutralization reaction with sodium hydroxide has 3 to 1 stoichiometry as illustrated by the balanced complete neutralization equation. The reaction goes to completion and is suitable for analytical titrations Citric acid is a natural organic acid with three carboxyl groups and also a crosslinking agent Citric acid is a naturally occurring organic acid with three carboxylic groups and is generally classified as a safe food additive. Hence, it can be used in food contact materials. It has been shown that the addition of CA decreases moisture absorption and reduces water vapor permeability in starch films ( Ghanbarzadeh et al., 2011 , Olsson et al., 2013 ) Production of citric acid is an industrial process that uses raw materials like substrates, citric acid growth-promoting microorganisms and enzymes etc. for the commercial production of citric acid. Generally, the commercial production of citric acid works out best by employing the fermentation method Isocitric acid is a tricarboxylic acid that is propan-1-ol with a hydrogen at each of the 3 carbon positions replaced by a carboxy group. It has a role as a fundamental metabolite. It has a role as a fundamental metabolite

The chemical structure of citric acid is shown below. Citric acid is an alpha-hydroxy acid with a three carbon skeleton, which has three carboxylic acid groups (COOH), and one hydroxyl group (OH). Occurrence: Citric acid occurs naturally in many fruits and vegetables, with the largest amounts in citrus fruits such as oranges, lemons and limes Source of materials. The title compound was prepared upon reacting citric acid (0.55 g, 2.86 mmol) with acetonitrile in a mixture of aqueous solution and acetonitrile Reaction 2: Formation of Isocitrate. The citrate is rearranged to form an isomeric form, isocitrate by an enzyme acontinase.. In this reaction, a water molecule is removed from the citric acid and then put back on in another location. The overall effect of this conversion is that the -OH group is moved from the 3′ to the 4′ position on the molecule

citric acid. ChEBI ID. CHEBI:30769. Definition. A tricarboxylic acid that is propane-1,2,3-tricarboxylic acid bearing a hydroxy substituent at position 2. It is an important metabolite in the pathway of all aerobic organisms. Stars. This entity has been manually annotated by the ChEBI Team. Secondary ChEBI IDs Effect of citric acid on physicochemical properties and protein structure of low‐salt restructured Tilapia (Oreochromis mossambicus) meat products Zhipeng Gu Hainan Engineering Research Center of Aquatic Resources Efficient Utilization in South China Sea, Hainan University, Hainan, 570228 Chin Structure and photoluminescence evolution of nanodots during pyrolysis of citric acid: from molecular nanoclusters to carbogenic nanoparticles X. Liu, H. Li, L. Shi, X. Meng, Y. Wang, X. Chen, H. Xu, W. Zhang, X. Fang and T. Ding, J. Mater. Chem. C, 2017, 5, 10302 DOI: 10.1039/C7TC03429 Visit ChemicalBook To find more Citric acid(77-92-9) information like chemical properties,Structure,melting point,boiling point,density,molecular formula,molecular weight, physical properties,toxicity information,customs codes. You can also browse global suppliers,vendor,prices,Price,manufacturers of Citric acid(77-92-9). At last,Citric acid(77-92-9) safety, risk, hazard and MSDS, CAS,cas. The X-ray structure of PhAspR revealed a pseudo mirror-symmetric distribution of the residues around its active site, which is very reasonable for its chiral substrates, L-aspartate and D-aspartate. In this study, we have determined the crystal structure of an inactive mutant PhAspR complexed with a citric acid (Cit) at a resolution of 2.0 Å

Citric Acid Formula & Structure - Purdue Universit

Citric acid (2-hydro xy-propane-1,2,3-tricarbox ylic acid) derives its name fro m t he Latin word citrus , a tree whose fruit is like the le mon. Citric acid is a tric arboxylic a cid (Figure 1 In this study, we have determined the crystal structure of an inactive mutant PhAspR complexed with a citric acid (Cit) at a resolution of 2.0 A. Cit contains the substrate analogue moieties of both L- and D-aspartate and exhibits a low competitive inhibition activity against PhAspR Donate here: http://www.aklectures.com/donate.phpWebsite video: http://www.aklectures.com/lecture/overview-of-citric-acid-cycleFacebook link: https://www.fac.. Citric acid (CA), a bio-based polycarboxylic acid present in fruits, has been focused recently on their use as crosslinker owning to their low-cost and non-toxic nature, and ability to react and stabilize polysaccharide materials with high efficiency (García, Contreras, Hernández, & Palestino, 2017; Olsson, Hedenqvist, Johansson, & Järnström, 2013)

Structural Formula. C 6 H 8 O 7. citric acid Citric acid is an organic compound with the chemical formula HOC (CO 2 H) (CH 2 CO 2 H) 2. Usually encountered as a white solid, it is a weak organic acid. It occurs naturally in citrus fruits. In biochemistry, it is an intermediate in the citric acid cycle, which occurs in the metabolism of all aerobic organism s

Citric acid - Wikipedi

The structural formula of citric acid, a main component of citrus fruits, is. How many H + (aq) can be generated by each citric acid molecule dissolved in water? a) 1 . b) 3 . c) 4. d) 8. Learn this topic by watching Polyprotic Acid Concept Videos. All Chemistry Practice Problems Polyprotic Acid Practice Problems Organic compound, tribasic carboxylic acid. From water solutions crystallizes as monohydrate. Where to buy In grocery store (as citric acid). Precursors Reaction between sodium citrate, calcium chloride or nitrate and sulfuric acid. Chemical equation: 2Na 3 C 3 H 5 O(COO) 3 + CaCl 2 = Ca 3 (C 3 H 5 O(COO) 3) 2 ↓ + 2NaC Question 21 of 26 > The structure of citric acid is shown. Place an asterisk next to the acidic hydrogen atom(s). H Answer Bank Н :0: :0: O Н Figure 1 (below) shows the structure of citric acid, a common component of citrus fruits and a widely used preservative in the food industry. How many potential donor groups are there in this molecule? (Hint: Donor groups must have a lone pair of electrons

Citric acid C6H8O7 ChemSpide

The Influence of Citric Acid on Setting Time and Temperature Behavior of Calcium Sulfoaluminate-Belite Cement 3 and alumina (Al 2 O 3) [10]. In general, these compounds are present in the form of other configurations as shown in Table 1. This table also shows the main products of the cement-water reaction Citric acid is generally considered a triprotic acid (capable of donating {eq}3{/eq} protons). Sketch a Lewis structure of citric acid in the form it would have after reaction with a base in solution The weak acid condition would be more suitable for esterification and produce diester cross-linked structure between hydroxypropyl high amylomaize starch and citric acid and reinforced the film. The acidolysis was enhanced as pH further decreased which degraded starch molecule and reduced the properties of starch film 2-Aminopyridine and citric acid mixed in 1:1 and 3:1 ratios in ethanol yielded crystals of two 2-aminopyridine citric acid salts, viz. C5H7N2 +·C6H7O7 − (I) and 3C5H7N2 +·C6H5O7 3− (II). Salt I is formed by the protonation of the pyridine N atom and deprotonation of the central carboxylic group of the acid, while in II all three carboxylic groups of the acid are deprotonated and the.

Citric Acid - Structure, Preparation, Properties, Uses and

Ball and stick model of citric acid. Citric acid is also known as 2-hydroxypropane-1,2,3-tricarboxylic acid. It is a weak acid found in citrus fruits and used as a natural preservative and to impart a sour flavoring. Ben Mills. Citric acid (C 6 H 8 O 7) is a weak organic acid. It occurs in citrus fruits The {[Cu2Ge(μ-Cit)2(μ-INH)2]·4H2O} n (I) complex, where H4Cit is citric acid, INH is isonicotinic acid hydrazide, is synthesized for the first time and characterized by a set of physical and chemical analysis techniques. According to X-ray crystallography, I is a three-dimensional heteronuclear Cu-Ge coordination polymer with a completely deprotonated form Cit4- of citric acid. Both.

Citric Acid: Formula, Structure, Preparation, Use

them, citric acid (CA), a weak organic acid, is the most popular carbon precursor (see Figure1b) because of the biocompatibility and the low cost. CA-based CDs show both photoluminescence from blue to red regions [17,18] and extremely high QYs (more than 80%) [6,19]. C 2021, 7, x FOR PEER REVIEW 2 of 1 Citric acid is a naturally occurring molecule found most concentrated, as the name might suggest, in citrus fruit. Today citric acid is a commodity chemical produced and consumed throughout the world, across a range of industries. As an antioxidant and acidifier it can be used to preserve and enhance flavours and aromas in a range of food. citric acid structure. All citric acid structure wholesalers & citric acid structure manufacturers come from members. We doesn't provide citric acid structure products or service, please contact them directly and verify their companies info carefully Hydroxypropyl amylomaize starch (HPAS) films were prepared by hot press. The effects of initial pH of HPAS on the mechanical properties, molecular interaction, structure, and cross-linking degree of the resultant films were investigated. A weak acidic condition was suitable for cross-linking of citric acid and HPAS by reactive extrusion. The film of HPAS with an initial pH of 5.66 had the.

CONCLUSION• Citric acid - major production by Aspergillus niger• Demand in 2012 - 2.9 metric tonnes• Flow rate = 501.45 kg/hr , Q = -277 053 kJ/s• Separation by alkyl amide• Bioreactor of 5.03 m width & 10.06 m height• Heat transfer in fermenter , q = 632.94W• Flux = 1.286 x 10-10 kgmol/s.m2• Column height, H=6.04418m For example, when citric acid is heated, citric acid is dehydrated to form an anhydride, which reacts with starch molecules to form a starch citrate adduct. Further heating can result in additional dehydration of citric acid and cause cross-linking between starch molecules and citric acid.[5] Xie and Liu[5] reported that 78.8% RS was obtained.

Citric Acid: Uses, Structure, Properties & Preparatio

  1. escence (PL) mechanism of CDs is still an open debate, which limits the development of CDs. Because of the diversity of CDs, it is highly important to clarify this issue for specific CDs models. Herein, a type of CDs, made from citric acid with extremely high quantum yield, is investigated
  2. Structure, properties, spectra, suppliers and links for: Citric acid monohydrate, 5949-29-1
  3. Etching results using the solution system of citric acid/ H 2 O 2 and de-ionized H 2 O /buffered oxide etch are shown to provide good selective wet etching of AlGaAs/GaAs structures. For Al x Ga 1− x As (x <0.5) layers the selective characteristics of each Al composition strongly depend on the volume ratio of the citric acid/ H 2 O 2 solution

What are the market opportunities and threats faced by the vendors in the Global Citric Acid (CAS 77-92-9) Market Get in-depth details about factors influencing the market shares of the important players like | Jungbunzlauer, GBi Israel, COFCO Biochem Citric acid has many impressive health benefits and functions. Metabolizes Energy. Citrate — a closely related molecule of citric acid — is the first molecule that forms during a process. The molecular model below represents citric acid, an acidic component of cit 07:19 The Lewis structure of vitamin $\mathrm{C}$, whose chemical name is ascorbi

The key difference between citric acid and ascorbic acid is that the ascorbic acid is the active compound in what we are taking as vitamin C whereas the citric acid is used in vitamin C tablets just for giving the taste.. Citric acid and ascorbic acid are organic compounds, which can act as acids. Organic acids essentially contain hydrogen and carbon with another element

Citric Acid : Structure, Fermentation, Process and Uses in

Citric acid is a polyprotic acid in which three ionizable hydrogens may be neutralized by a strong base. Pre-Lab Assignment Look up the Lewis structure of citric acid and draw it in your laboratory notebook ordered structure determined mainly by the hydroxyapatite, as well as an amorphous phase determined by other components of the enamel. This structure remains almost unaffected after 4 days of immersion in the citric acid. After a total period of 8 days of exposure to the acid, the ordered structure of the enamel and dentine is affected, but th containing 330 mM citric acid, 330 or 660 mM glycerol, and 0-165 mM chloride salts as specified above. The pH of the solution was unadjusted, and was measured to be 2 before and after esterification suggesting that the polymer solutions were self-buffered by unreacted citric acid and incorporated free acid groups

Citric acid: Structure, uses, intolerance, and mor

Main Difference - Ascorbic Acid vs Citric Acid Citric acid and ascorbic acid are two weak natural organic acids that occur naturally in fresh leaves, fruits and vegetables, particularly citrus fruits such as oranges, lemons and limes.Both acids have nutritional benefits, and they're commonly used in food manufacturing and as a preservative, but there are few differences between the two. There are three carboxylic acid groups -C=O(OH) are found in the citric acid molecule. On the other hand, ascorbic acid contains no carboxylic acid groups. Yet it, too, is acidic, about as acidic as vinegar. Citric acid with its carboxylic acid groups is the more acidic acid and so is more sour to the taste In this video I discuss Citric Acid. What is it? How it is made, and is it harmful?TranscriptWhat is citric acid?Whats up dudes, and whats up ladies, bryan h.. 40 Citric acid is used as a food ingredient in the production of fruit products, juices, oils and fats, and for 41 many other food products where it functions as an acidulant, pH control, flavoring and sequestrant

Citric Acid: C6H6O7 Molecular Weight: 192.12352 Melting Point: 307.4 Fahrenheit Boiling Point: According to the University of Wisconsin-Madison, the boiling point of citric acid and its decomposition temperature is the same. This means that when citric acid is heated above 175 degrees Celsius, the wate Citric Acid Molecule-- Space Fill Model To View the Citric Acid Molecule in 3D using Jsmol. Citric acid is a weak organic acid that has the chemical formula C 6 H 8 O 7.. Citric acid naturally in citrus fruits. It is an intermediate in the citric acid cycle, which occurs in the metabolism of all aerobic organisms

Acid-base titrations with citric acid: part 1 Chem13

A: Acetylsalicylic acid (aspirin) can be synthesized by combining salicylic acid and acetic acid throug... question_answer Q: what is the frequency and the energy for the typical wavelength for the infrared region of the elect.. • The Krebs cycle is also known as the citric acid cycle. Citrate is a tricarboxylic acid, and the Krebs cycle is also known as the tricarboxylic acid (or TCA) cycle Step 2. Isomerization of Citrate As we will see later on in the Krebs cycle, there will be a decarboxylation reaction 1. Using the structural formula of citric acid shown in Figure 1, determine the molecular formula of citric acid and calculate its molar mass (g/mol). 2. A 10.0-mL sample of pineapple juice was titrated with 0.100 M sodium hydroxide solution Citric acid falls into the category of polyprotic acids, which are acids that have more than one acidic hydrogen that can react with water to produce the hydronium ion, #H_3^(+)O#.. Citric acid's molecular formula is #C_6H_8O_7#, and it's known as a weak organic acid.CItric acid is actually a triprotic acid, which means it has 3 acidic hydrogen atoms in its structure, as you can see. This may include too much citrus, which contains an organic acid called citric acid. However, manufactured citric acid is different from naturally occurring citric acid. There's a high demand for citric acid production because it's used as a flavoring agent, preservative, cleansing agent and in many other ways

Citric acid was dried at 105° C for one hour and glycerin was heated to 80° C with a vacuum of 5 psi to dry. In this project, three concentrations were handled, 1:1 (1 citric acid mole, 1 glycerol mole), 1:2 (1 citric acid mole, 2 glycerol mole), 1:3 (1 citric acid mole, 3 glycerol mole). 2.2.2. Prepolymerizatio Citric acid is the most important commercial product which is found in almost all plant and animal tissues. The molecular formula of citric acid is C6H8O7, 2-hydroxy-1,2,3-propane tricarboxylic acid. It is widely used organic acid in the field of food (60%) and pharmaceuticals (10%). In 1784 W.SCHEELE's first time isolated from lemon juice as. A series of starch/polyvinyl alcohol (PVA) films, denoted SP films, with varying concentrations (5-30 wt%) of citric acid (CA) were solvent cast at 140 degrees C. The effects of CA on the chemical structure, thermal properties, swelling degree, mechanical properties, crystallinity, and cytotoxicity were investigated Structure-function relationship of a citrus salicylate methylesterase and role of salicylic acid in citrus canker resistance Caio Cesar de Lima Silva 1 , Hugo Massayoshi Shimo 1

The reactions of cobalt(II) ion with citric acid (C6H8O7 = H4cit) have been studied in an acidic aqueous solution of pH 1−4, which result in the isolations of four new polymeric cobalt(II) citrate complexes: [Co(H2cit)(H2O)]n (1), [Co(H2O)4]n[Co2(Hcit)2(H2O)4]n·6nH2O (2), [Co(H2O)6]n[Co(Hcit)(H2O)]2n·2nH2O (3), and (NH4)2n[Co2(Hcit)2(H2O)2]n (4). The complexes have been characterized by. In this article we will discuss about:- 1. Discovery of Citric Acid 2. Fermentation of Citric Acid 3. Recovery. Discovery of Citric Acid: This acid was first produced commercially by John and Edmund Storage Company in UK in the year 1826. Scheele (1789) reported the isolation and crystallization of the four constituents of lemon juice

Structure of the carboxyl acid group. Carboxylic acids are organic compounds which incorporate a carboxyl functional group, CO 2 H. The name carboxyl comes from the fact that a carbonyl and a hydroxyl group are attached to the same carbon. The carbon and oxygen in the carbonyl are both sp 2 hybridized which gives a carboxylic acid a trigonal. The primary acid in cocktail making is citric acid, a weak organic acid found to varying degrees in all citrus fruit. Limes, lemons, grapefruit, oranges, and even exotic fruits like Seville oranges, yuzu, and bergamots. This is the most common acidulant* in cocktails, with lemon and lime being used much more often than orange or grapefruit juice The interesting hollow structure evolution was further investigated by comparative experiments and a reasonable evolution mechanism was proposed, in which the chelation of citric acid with Al3+ species and the dissolution of boehmite play the critical role in forming the hollow structure of boehmite. (C) 2012 Elsevier B.V fatty acid, with citric acid; consists of mixed esters of citric acid and edible fatty acids with glycerol; may contain minor parts of free fatty acids, free glycerol, free citric acid and mono- and diglycerides; may be wholly or partially neutralized with sodium hydroxide or potassium hydroxide (as declared on the label). Structural formul Download this Structure Of A Citric Acid Molecule Painted On Lemon Peel photo now. And search more of iStock's library of royalty-free stock images that features Belarus photos available for quick and easy download

Cytoplasm: Definition, Structure & Function (with Diagram

Molecular structure of citric acid cross-linked starch

Citric acid (2-hydroxy-1,2,3-propanetricarboxylic acid, C 6 H 8 O 7) is an acidulant, preservative, emulsifier, flavorant, sequestrant and buffering agent widely used across many industries especially in food, beverage, pharmaceutical, nutraceutical and cosmetic products [].First crystallized from lemon juice and named accordingly by Scheele in Sweden in 1784 [], citric acid is a tricarboxylic. Citric acid is used as a flavoring agent in soft drinks, fruit juices, and many other foods. Worldwide, the market for citric acid is valued at hundreds of millions of dollars per year. Commercial production uses the mold Aspergillus niger, which metabolizes sucrose under carefully controlled conditions The citric acid cycle is the second of a three-part process of cellular respiration. Explore how our bodies progress from the first stage, glycolysis, and through the citric acid cycle before.

Abstract In present work, the effect of citric acid (CA) addition in different amounts (0, 1, 5 and 10 ml) on the structure of hydroxyapatite (HAp) was investigated using X-ray diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy, scanning electron microscopy (SEM) and energy dispersive X-ray (EDX) spectroscopy techniques The objective of this present study was to determine the structural, physicochemical, and in-vitro digestibility properties of cross-linked rice starch with citric acid (CARS). Native rice starch (NRS) was cross-linked with different concentrations of citric acid (0, 1, 10, and 30%, w/w) of starch dry basis When citric acid penetrated the starch granules through channels and cavities, it could disrupt the crystalline structure of granules due to a concentrated solution of citric acid. The reaction should occur both in the amorphous region and crystalline region. Substitution of citric acid groups on starch chains could form a highly cross-linked 38 One structure, in complex with a nonhydrolyzable ATP analog, adenosine 5′-adenylyl-β,γ-imidodiphosphate (AMP-PNP), was determined at 2.6 Å resolution. The second structure, in complex with citric acid bound in the postulated carbamoyl phosphate binding site, was determined in two slightly different states at 2.1 and 2.4 Å resolution

A methyl citrate condensing enzyme and a methyl isocitrate cleaving enzyme have been demonstrated in C. lipolytica. On the basis of the methyl citric acid cycle, the glyoxylate pathway, and the CO 2 fixation reaction, the hypothetical pathway for citric acid production from n-alkanes as proposed by Tabuchi and Serizawa (1975) is shown in Fig. 16.5.. Foliar application of two levels of citric acid and malic acid (100 or 300 mg L −1 ) was investigated on flower stem height, plant height, flower performance and yield indices (fresh yield, dry yield and root to shoot ratio) of Gazania . Distilled water was applied as control treatment. Multivariate analysis revealed that while the experimental treatments had no significant effect on fresh. The amount of citric acid added to packaged foods is quite low. Usually, as a preservative, about 1/2 a teaspoon (about 4.5 g) of citric acid powder is added to 1 quart (about 0.9 L) of canned food. 1. It is unlikely that having canned food or ketchup occasionally can cause side effects. But most aerated beverages contain citric acid index was only 1.003, indicating that preferred orientation was not significant in this rotated capillary specimen. In the known crystal structure of CAHCIT, (II), the citrat

Production of Citric Acid - Definition, Methods & Uses

Citric acid. C 6 H 8 O 7. H 2 O (monohydrate) White or colourless, odourless, crystalline solid. The monohydrate form effloresces in dry air. Neutralize 10 ml of a 10% solution of the sample with dilute ammonia TS. Add 5 drops of dilute acetic acid TS, cool and add 2 ml of calcium chloride TS. No turbidity should be produced Triglycerides are broken down to CO 2 and water, releasing large amounts of energy, through beta oxidation of fatty acids and the citric acid cycle. Beta-oxidation is the process by which fatty acids are broken down to generate acetyl-CoA for the citric acid cycle, and NADH and FADH2 for the use in the electron transport chain Citric Acid Cycle. Like the conversion of pyruvate to acetyl CoA, the citric acid cycle takes place in the matrix of mitochondria. Almost all of the enzymes of the citric acid cycle are soluble, with the single exception of the enzyme succinate dehydrogenase, which is embedded in the inner membrane of the mitochondrion

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