What is extraction in paprika used for?

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Statement 1: In counter-current extraction, equilibrium is reached at every stage. Statement 2: Right angled triangle method also called a difference point method is used to calculate the ideal number of stages for extraction.

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Statement 1: Multi-stage cross-current extraction – the solids contain some amount of solute after every extraction. Statement 2: Single-stage batch extractor – Used in labs and not on large scale as a solvent is continuously subjected to heat.

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Statement 1: Presence of certain organic solvents in solvent extraction can prove to be carcinogenic. Statement 2: CO2 gas can be used in super critical fluid extraction.

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Statement 1: Caffeine is the active principle in coffee. It cannot be stripped off it. Statement 2: Caffeine can be stripped off coffee by extraction.

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Multi-stage counter-current extraction is expensive as more extractors are needed to strip the solid off the solvent.

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Which of the following operations is carried out by extraction equipment?

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If extraction is done at the _____ of the solvent, it is called _____

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Liquid-liquid extraction is called leaching.

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Which of the following is the real extraction application of SCFE?

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Statement 1: Soya bean has a high oil content. Statement 2: If the oil content is high, extraction is done by solvent extraction alone.

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Statement 1: Partition coefficient pertains to solid-liquid extraction. Statement 2: Leaching involves both heat and mass transfer.

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After extraction via solvent extraction, the cake serves to be a good source of _____

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Which among the following factors does NOT affect extraction?

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Statement 1: Batch distillation is used for small capacity operations. Statement 2: In food processing, batch distillation is used for desolventization.

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This method is used in food processing for removal of bad odours from food.

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Statement 1: Batch crystallizers are used for jaggery. Statement 2: Particle size is controlled by stirring and scraping the concentrate from the vessel for better heat transfer.

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Using hot water for decoction followed by spraying drying is the procedure used for making instant coffee.

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Scraped surface crystallizers can be used for viscous fluids up to 10000 cp.

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Statement 1: Packed towers are used for physical absorption. Statement 2: Agitated vessels are used for physical absorption.

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Which of the following is the actual reason why CO2 is used in CSFE?

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Statement 1: Distillation is not used very widely in the food industry. Statement 2: Steam distillation can be done when the volatile component is not miscible in water.

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Cellulose was added in the pulping of certain fruit juices. What is it called? Was the decision of it being added in this process of filtration correct?

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Statement 1: T-joints in pipelines for crystallization should be avoided as much as possible. Statement 2: Thin liquids should have a slope to drain off liquid.

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Statement 1: Batch crystallizers are used if the throughput is high. Statement 2: The operating cost of batch crystallizers is high.

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Statement 1: Incrustation may lead to under deposit-corrosion. Statement 2: Scrapers can be used as an agitated medium to avoid incrustation.

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