Abstract:This study aimed to develop a process for the development of ready to serve (RTS) beverages from enzyme liquefied (pectinase) Cape gooseberry juice with additives and preservatives. Storage stability of the RTS beverage at both refrigerated temperature (LT: 4 ± 1 • C) and room temperature (RT: 27 ± 2 • C) were evaluated for 90 days for microbial, sensorial and physicochemical quality parameters. The stability of RTS beverage stored at LT (4 ± 1 • C) was excellent with a retention of the primary quality attributes ascorbic acid (15.44 mg/100 mL), total phenolic content (15.50 mg GAE/100 mL), total carotene (1.07 mg/100 mL), β-carotene (0.78 mg/100 mL), high viscosity (30.29 cp), and with high sensory scores of the product (8.3) up to 90 days as compared to the overall acceptability (6.5) of RT stored RTS for 60 days. Additionally, both the LT and RT stored RTS beverages had microbial counts within the permissible limits. Therefore, both beverages were safe to consume at the end of storage duration. In conclusion, the RTS beverage developed from Cape gooseberry could be served as functional health drink alternative to synthetic soft drinks due to its unique features (high nutritive values, high organoleptic values and high stability) of the product.
The present study was conducted to find the constitutive antifungal phenolic lipids, phenolics contents and antioxidant activities in mango fruit peel extracts of anthracnose (Colletotrichum gloeosporioides Penz.) resistant ('Kensington pride') and susceptible ('Badami' and 'Raspuri') mango cultivars grown in India, during fruit development, maturity and ripening. Phytochemical tests were performed to determine 5-n-pentadecyl resorcinol content and total phenolics. Moreover, the mango peel methanolic extracts were subjected to evaluate their antioxidant potential using invitro DPPH assay. Results show that 5-n-pentadecyl resorcinol content in the mango fruit peel extract was at its peak during the early stage of fruit development (at 30DFS) in 'Kensington pride' as compared to 'Badami' and 'Raspuri'. The upsurge in total phenolics content and DPPH activity at 30 DFS, in all three mango cultivars, indicated their higher radical scavenging activity during fruit development than the fruit maturity and fruit ripening. Endogenous production and retention of high levels (P ≤ .05) of constitutive antifungal 5-n-pentadecyl resorcinol in anthracnose resistant mango cultivar ('Kensington pride') during early stage of fruit development that imparts disease resistance during development, maturity, and fruit ripening process, could be one of the bases of plant defense mechanism against anthracnose disease. In conclusion, this study exhibited the important role played by the mango cultivars background on the constitutive antifungal 5-n-pentadecyl resorcinol content and antioxidant profiles.
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