Presentation on theme: "بسم الله الرحمن الرحيم صدق الله العظيم يونس (58)"— Presentation transcript:
1بسم الله الرحمن الرحيم صدق الله العظيم يونس (58) بسم الله الرحمن الرحيم صدق الله العظيم يونس (58)
2Ibrahim Abdelghafar Elsayed Khalifa Under supervision committee Person speakers:Ibrahim Abdelghafar Elsayed KhalifaDemonstrator at Food science department – Faculty of Agriculture – Benha University Under supervision committeeProf. Soliman Abbas SolimanEmeritus Professor of Food technologyFood science department – Faculty of Agriculture – Benha UniversityProf. Hamdy Abd El-Latif El-MansyDr. Hassan Ahmed BarakatLecturer of Food science technology2014
3FOOD PROCESSING RESIDUES VALORIZATION : A NEW CONCEPT
4Presentation items: Introduction Definition Classification What's the meaning of valorization concept?Sources of Food processing residuesStatistical and quantitiesHow to fix this problem?Conventional applicationsSome examples for vegetable and fruit processing residues
5Tomato processing residues Mango processing residues : Tomato processing residuesMango processing residuesPotato processing residuesOrange processing residuesGuava processing residuesGrape processing residuesRecent and advanced applicationsSome applications for all food residuesReferences
6INTRODUCTIONIn food processing industries, edible portions were processed into useable products; whereas seeds, peels, pomace and waste water often will be discarded as residues since it is not currently utilized for commercial purposes. One of the most common problems in food processing "residues materials" produce ecological problems related to the proliferation of insects and rodents and an economic burden because of transportation to repositories; therefore strategies for the profitable use of these materials are needed. 
7DefinitionDefinitions of food residues are vary, among other things such as what is food consists,  how its produced, and where its produced .(EU) "any food substance, raw or cooked, which is discarded, or intended or required to be discarded " .(UN) "uneaten food and food preparation waste from different sources" .
8According to (FAO) food wastage were divided into:  ClassificationAccording to (FAO) food wastage were divided into: 
9What's the meaning of valorization concept? Valorization is a relatively new concept in the ﬁeld of industrial residues management promoting the principle of sustainable development, one of the valorization objectives regarding food processing residues is the recovery of ﬁne chemicals and the production of precious metabolites .The recovery of such added value compounds from food processing residues have been underpinned by the increasing evidence of their health-promoting benefits .
10The Food processing residues was produced from three sources:- productionMachineryEconomic factors InfestationweatherprocessingMicroorganism Nutritional valueUneatenSortingUsing process technicstorageStorageHandlingExpiredRetailNext
11Statistical and quantities Its residues were produced according to the type of countries  Developed countries Developing countries (consumer level) (production level)Next
16dSeedsSkinTomato processing by-products represent 5-13%, In 2007, tomato wastes were estimated to at 11 million tons .Caroteniods “GRAS” may be extracted using hexane and ethyl acetate as solvents, to be 37 mg/kg waste, then Lycopene is one of the most popular natural pigments and antioxidant agent, while in vitro, in vivo and ex vivo studies have demonstrated that its addition to foods is inversely associated to cancers and cardiovascular diseases .
17Nowadays, carotenoids (lycopene, carotene), phenolics and flavonoid (i Nowadays, carotenoids (lycopene, carotene), phenolics and flavonoid (i.e. myricetin, quercetin, quercetin-3b-glucoside, caffeic acid and p-coumaric acid) were encapsulated from tomato residues .
18Utilization of mango processing residues SeedspomacepeelsMango is cultivated in more than 100 countries in both tropical and subtropical regions . Mango processing residues were reached to 35% to 60% of the fruit .These residues is rich in bioactive compounds which have been studied as a safer natural alternative to synthetic food antioxidants in biscuits, vegetable oils and potato chips . Found that the mango peels and seeds extracts were contained about 56.2 and 28.3 mg TPC/100 gm-1DW, as GAE respectively.
19Using HPLC identified about 30 phenolic compounds from mango seeds and peels extracts, Ellagic and gallic acid were the predominant phenolic compound in their extracts, which have antioxidant, estrogenic ,anti- inﬂammatory, antimicrobial and prebiotic effects properties . Also, Quercetin-3-O-rutinoside was identiﬁed as major flavonoids compounds due to their high antioxidant, anti-inﬂammatory and anti-cancer .The mango kernel oil contain high amountof stearic acid 43% oleic acid (44%) and maybe used in soap manufacturing).
20Utilization of potato processing residues PeelsPluncherPotatoes is one of the major world crops with world annual production of 180 million tones in  recorded that potato peels were about 12.0% of their fresh weight. found that after four days storage at 63°C, 5 g of sunflower oil containing 200 ppm of freeze-dried potato peel extract and 200 ppm BHA reached the same peroxide value. explored that the potato peel extracts possess antioxidant potentiality in retarding lipid oxidation in lamb meat preserved with radiation.
21 used freeze-dried extract of potato peel at two different levels of 500 and 1000 ppm as a natural antioxidant in ground beef patties to measure the efficacy of PP extract against the commercial antioxidant. produced biscuits using 5 and 10 % (w/w) of PP replaced wheat flour were smaller in terms of their stack weight and sensory score.
22Utilization of Orange processing residues SeedspomacepeelsThe annual production of citrus in Egypt is about MMT/Y  and 70% of citrus amounts are manufactured to citrus products.  remaining after juice extraction, represents around 50-55% of the fruit mass .Citrus peels are represent an interesting source of dietary fibers and pectin  .Nowadays, The citrus wastes are a rich source of natural phenolics ,flavonoids,carotenoid, oil and protein .
23Citrus peel is also known to be rich in polyphenol compounds which have positive impacts on human health include inhibition of oxidation of low-density lipoprotein cholesterol (LDL-C) thereby reducing the risk of heart disease.
24Utilization of guava processing residues Guava residues (pomace and seeds) as residues from juice production, it's reach to 30% of the guava fruit weight .  recommended adding guava seed flour to cookies until 6%.  found that the Guava residues was effective in retarding lipid oxidation in processed chicken meat at concentration of 60 mg TPC/kg meat.No significant difference in sensory evaluation was founded between guava juice which contain crude pectin and pectin from guava residues ( pectin extraction from guava residues reached to 20.70±%).
25Gallic, cafeic, ferulic and Cuamric acid was the predominant phenolic compound in guava seeds extracts, and showed effective against some pathogenic bacterial strains such as E.coli 0157, Listeria. monocytogenes and others.
26Also, its extracts may be used as Anticarcinogenic agent
27Utilization of grape processing residues Grape pomace is about 10% by weight of the total grape fruit, and rich source of polyphenols.  Catechin values are about 50% of extractable polyphenols for grape pomace. However, Grape seeds are a complex matrix containing approximately 40% fiber, 16% oil, 11 % proteins and 7% complex phenols including tannins.
28Grape pomace constitutes a variety of polyphenols, which include phenolic acids (gallic acid, its 3- and 4-p glucopyranosides, trans caftaric acid, cis- and trans-coutaric acids), phenolic alcohol (2-hydroxy-5-(2-hydroxyethyl)phenyl-p-glucopyranoside), flavan-3-ols (catechin, epicatechin and pro cyanidin B1) and flavonoids (quercetin 3-glucoside and 3-glucoronide, kaempferol 3-glucoside and 3galactoside,eucryphin, astilbin and engeletin) .
29RECENT APPLICATION Food processing residues extracts can be used as AntibacterialAntifungalAntioxidantsUntraditional sources for fatAnti-inﬂammatoryAnti-cancerFruit and vegetable coatingA good source for bioactive proteinFine product (carotene and flavonoids)
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