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Method for combined preparation of pineapple polyphenol and juice by taking pineapple peel as main material and application thereof

A technology of pineapple peel and pineapple peel dregs, applied in the fields of application, plant raw materials, food preparation, etc., can solve the problems of pineapple peel waste, etc., achieve significant economic benefits, reduce production costs, and reduce the degree of browning

Active Publication Date: 2010-02-17
蔡施平 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to overcome the problem that a large number of pineapple peels are discarded in the pineapple processing industry, the primary purpose of the present invention is to provide a method for jointly producing pineapple polyphenols and fruit juice using pineapple peels as raw materials

Method used

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  • Method for combined preparation of pineapple polyphenol and juice by taking pineapple peel as main material and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] (1) Weigh 200kg of fresh pineapple peel, wash, squeeze and centrifuge to obtain 140.6L pineapple peel juice and 55.6kg pineapple peel residue.

[0036](2) Flow the pineapple peel juice into the XDA-5 resin column at a flow rate of 1.0BV / h to adsorb polyphenols and pigments until the resin column reaches adsorption saturation, and collect the effluent before the resin column absorbs the leakage point. The effluent after the leakage point of the resin column adsorption and the residual liquid in the resin column need to be collected separately, and reloaded on the column for adsorption treatment until all the pineapple peel juice flows out and is collected before the leakage point of the resin column. Then, 250g of powdered activated carbon is added in the collected liquid (the consumption of activated carbon is 1.78g / L), stirring and decolorizing for 30min, and obtaining clarified fruit juice through filtration, the sugar content of fruit juice and the loss of vitamin C a...

Embodiment 2

[0042] (1) Weigh 150kg of fresh pineapple peel, wash, squeeze and centrifuge to obtain 100.2L of pineapple peel juice and 45.4kg of pineapple peel residue.

[0043] (2) Flow the pineapple peel juice into the AB-8 resin column at a flow rate of 1.5BV / h to adsorb polyphenols and pigments until the resin column reaches adsorption saturation, and collect the effluent before the resin column absorbs the leakage point. The effluent after the leakage point of the resin column adsorption and the residual liquid in the resin column need to be collected separately, and reloaded on the column for adsorption treatment until all the pineapple peel juice flows out and is collected before the leakage point of the resin column. Then, 280g of powdered activated carbon is added in the collected liquid (the consumption of activated carbon is 2.80g / L), stirring and decolorizing for 45min, and obtaining clarified fruit juice through filtration, the sugar content of fruit juice and the loss of vitam...

Embodiment 3

[0049] (1) Weigh 150kg of fresh pineapple peel, wash, squeeze and centrifuge to obtain 100.5L pineapple peel juice and 44.8kg pineapple peel residue.

[0050] (2) Flow the pineapple peel juice into the X-5 resin column at a flow rate of 2.0BV / h to adsorb polyphenols and pigments until the resin column reaches adsorption saturation, and collect the effluent before the resin column absorbs the leakage point. The effluent after the leakage point of the resin column adsorption and the residual liquid in the resin column need to be collected separately, and reloaded on the column for adsorption treatment until all the pineapple peel juice flows out and is collected before the leakage point of the resin column. Then, 400g of powdered activated carbon is added in the collected liquid (the consumption of activated carbon is 3.98g / L), stirred and decolorized for 30min, and can obtain clarified fruit juice through filtration, the sugar content of fruit juice and the loss of vitamin C are...

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Abstract

The invention discloses a method for combined preparation of pineapple polyphenol and juice by taking pineapple peel as main material and application thereof. The method includes that pineapple peel is cleaned, pressed and separated, so as to respectively obtain pineapple peel slag and pineapple peel juice; the pineapple peel juice is subject to macroporous resin column absorption, powered activated carbon absorption, filtering and the like, so as to obtain clear juice with extremely low clear and brown stain degree; the pineapple peel slag is subject to alcohol digestion, vacuum concentration, dilution, macroporous resin column absorption and the like, so that pineapple polyphenol can be absorbed into the macroporous resin; the macroporous resin column used for absorbing polyphenol substance in the pineapple peel juice and pineapple peel slag digestion solution is eluted by alcohol solution, the elution is subject to methylene dichloride extraction, ethyl acetate extraction, concentrated drying and the like, so that pineapple polyphenol with purity more than 90% can be obtained and extraction ratio is more than 2.5g / kg. The invention has the characteristics of easy industrializedproduction, high yield, high production purity, obvious co-production economic benefit and has important significance on promoting recycling economy development.

Description

technical field [0001] The invention belongs to the technical field of comprehensive utilization in the food processing industry, and in particular relates to a method for jointly preparing pineapple polyphenols and fruit juice by using pineapple peel as a raw material and an application thereof. Background technique [0002] Pineapple is one of the four famous fruits in the tropics and subtropics. The output of pineapple in my country has exceeded 1.5 million tons. Its processed products mainly include canned food, ordinary fruit juice and concentrated fruit juice. 40-60%, it can be seen that my country's pineapple peel resources are very rich. The nutritional composition of pineapple peel is close to the basic composition of pulp. The sugar content is generally 50-100g / kg, and it is rich in organic acids, amino acids, B vitamins, C vitamins and polyphenols, etc. development value. If these leftovers are not utilized, it will cause waste of resources and environmental poll...

Claims

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Application Information

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IPC IPC(8): C07G99/00A23L2/04A23L2/70A23L2/80A23L1/212A61K36/88A23L19/00
Inventor 邓毛程王瑶梁耀开谭才邓朱晓立林楚佳
Owner 蔡施平
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