Camu-camu is a native Amazonian fruit mainly known for its high vitamin C content. Its composition confers high antioxidant capacity on this fruit and makes it a potential source of antioxidant products. The use of spray-drying with the aid of a carrier agent is a technique that has been applied for the preservation of important components of foods and drugs. The objective of our work was to evaluate the influence of those agents used as shell material on the vitamin content and total phenolic compounds of camu-camu powder juice obtained by spray-drying. Materials and methods. A commercial frozen camu-camu pulp was the raw material; maltodextrin and gum arabic were the selected carrier agents. Processes were performed in a mini-spray-dryer with inlet and outlet air temperatures of 180 °C and 85 °C, respectively, and a drying air flow rate of 700 L·h1. Laser diffraction was used to determine the particle size distribution of the samples, and sorption isotherms of spray-dried camu-camu were measured using a static gravimetric method. Total phenolic compounds and vitamin C were determined in the raw pulp and in the powders obtained. Results. When using gum arabic and maltodextrin as the carrier agents, the moisture results obtained for the spray-dried camu-camu powders were 2.8% and 3.2%, respectively; the process yield was 84% and 72%, respectively. The spray-dried powder produced using gum arabic presented higher contents of vitamin C [(15,363 ± 226) mg·100 g1] and phenolic compounds [(6,654 ± 596) mg GAE·100 g1] than the powder obtained with maltodextrin, respectively (11,258 ± 298) mg·100 g1 and (5,912 ± 582) mg GAE·100 g1. Conclusions. The concentration factors for the vitamin C and phenolic compounds in camu-camu powder reveal the effectiveness of spray-drying to preserve the antioxidant capacity of this fruit. Gum arabic was a more effective barrier than maltodextrin for bioactive compound retention.
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Sugar Icumsa 45 Brazil For 300,000 MT x 12 months CIF price ASWP USD 260 / MT With form of payment SBLC / MT 750 value one month auto-revolving + MT 103 against shipping documents. Following procedures: 1. Buyer's issues I.C.P.O with Bank data top 50 World 2. Seller's issues F.C.O 3. Buyer return signed and stamped copy of F.C.O with I.C.P.O + BCL 4. Seller issues Draft Contract for acceptance. Contract goes through normal negotiations and validation period. 5. Buyer returns the Draft Contract by exchanging e-mail attachment, duly signed and sealed within 48 hours, the Draft will deemed legal until hard copies are exchanged. 6. Within 3 banking days Buyer's bank issues SBLC. 7. Within 7 days Seller issues POP to Buyer. 8. The delivery and forwarding begin immediately according to the contract. 9. Visits and inspection only in the Warehouse. IC 45 SPECIFICATIONS POLARITY at 20ºC: 99.80º Minimum SULPHATED ASH CONTENT: 0.04% Maximum by Weight MOISTURE: 0.04% Maximum by Weight MAGNETIC PARTICLES: mg/kg 4 SOLUBILITY: 100% Dry & free flowing GRANULOMETRY: Fine Standard ICUMSA: Colour 45 ICUMSA attenuation index Units (Method #10-1978) Maximum AS: 1 P.P.M. COLOUR: Brilliant White REDUCING SUGAR: 0.010% Maximum in Dry Mass RADIATION: Normal w/o presence of cesium or iodine SO2: mg/kg 20 HEAVY METALS, TOXIC ELEMENTS Maximum mg / kg basis ARSENIC 0.50 CADMIUM 0.05 COPPER 1.00 LEAD 1.00 MERCURY 0.01 ZINC 3.00 PESTICIDE TRACES Maximum mg / kg basis DDT 0.005 PHOTOXIN 0.01 HEXACHLORAN GAMMA ISOMER 0.005 MICROBIOLOGICAL LIMITS PATHOGENIC BACTERIA including SALMONELLA per 25 gram: Nil. Bacillus per gram: Nil
