Development of Healthy Fruit Jam for Huai Nam Kuen Community Enterprise, Wiang Pah Pao District, Chiang Rai Province

Abstract

Passion fruit and cape gooseberry are good sources of vitamin A and vitamin C, possibly making the fruits relevant as a nutrient source for antioxidant. The fruits were promoted to be cultivated commercially in Huai Nam Kuen community enterprise, Wiang Pah Pao district, Chiang Rai province. This study aimed to develop a healthy jam from passion fruit and cape gooseberry. The study showed that the optimum formula of passion fruit mixed with cape gooseberry consisted of 37.5% passion fruit, 12.5% cape gooseberry, 44.4% maltitol syrup, 2.4% pectin, 2.0% inulin and 1.2% gelatin, respectively. The amount of total sugar and reducing sugar of jam were 10.25 ± 0.01 and 0.67 ± 0.01 g/100g while fiber content and antioxidant activity were 3.30 ± 0.10 g/100g and 50.95 ±1.76 mmolTrolox Equivalent/100g, respectively. The jam contained only 200 kcal/100g which was lower than normal product, that containing sugar, by 30%. Therefore, this healthy jam could be reduced calorie jam. Shelf-life of this product was about two months. The overall liking was moderately. The analysis of project’s success showed that the member of the community enterprise could apply 100% of the knowledge to their work which helped to increase their family income.