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Optimum Physico-Chemical and Processing Parameters for the Preservation of King Coconut Water

机译:椰子王水保鲜的最佳理化参数

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King coconut (Cocos nucifera var. aurantiaca) water is a natural, nutritious and healthy beverage. However, it is underutilized in terms of value addition with extended shelf life. Therefore, an attempt was made to develop the physico-chemical and processing parameters for the value addition of King coconut water with extended shelf life. King coconut water was analyzed for sugar, minerals and vitamin C content based on reviewed methods. Studies were conducted to identify the optimum pH, total soluble solid (TSS), type of acidulant and pasteurization conditions based on sensory properties of the product using semi trained panelists. Processed King coconut water was packed in three different packages and stored at refrigerated (4°C) condition for two months. Changes in pH, TSS and titratable acidity were evaluated in two weeks intervals throughout the storage period. The results showed that optimum pH, TSS, type of acidulant and pasteurization conditions were 4.4, 9, malic acid and 70°C/15 sec, respectively. The product was microbiologically (less than 50 CFU/ml) safe for consumption even after 8 weeks of storage. These storage studies revealed that the changes in pH, TSS and titratble acidity of King coconut water packed in three packaging materials had no significant difference (p<0.05) during refrigerated storage.
机译:国王椰子(Cocos nucifera var。aurantiaca)水是一种天然,营养和健康的饮料。但是,在增值方面却没有充分利用,延长了货架寿命。因此,试图开发用于延长保质期的国王椰子水的增值的理化和加工参数。根据审查的方法对国王椰子水中的糖,矿物质和维生素C含量进行了分析。使用半训练的小组成员,根据产品的感官特性,进行了研究,以确定最佳的pH值,总可溶性固体(TSS),酸化剂类型和巴氏灭菌条件。将加工过的国王椰子水包装在三个不同的包装中,并在冷藏(4°C)条件下存放两个月。在整个存储过程中,每两周评估一次pH,TSS和可滴定酸度的变化。结果表明,最佳pH,TSS,酸化剂类型和巴氏灭菌条件分别为4.4、9,苹果酸和70°C / 15 sec。即使在储存8周后,该产品仍具有微生物学安全性(低于50 CFU / ml),可以安全食用。这些存储研究表明,在三种存储材料中包装的国王椰子水的pH,TSS和可滴定酸度的变化在冷藏过程中没有显着差异(p <0.05)。

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