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Near-Infrared Spectroscopy for Non-Destructive Prediction of Maturity and Eating Quality of ‘Carabao’ Mango (Mangifera indica L.) Fruit CIGR Journal
Polinar, Yvonne Q.; Yaptenco, Kevin Fernandez; Peralta, Engelbert K.; Agravante, Josephine U..
Near-infrared (NIR) spectroscopy was assessed in predicting maturity and eating quality of ‘Carabao’ mango fruit. A total of 1,200 fruits were harvested at the green stage at four different harvest dates [100, 110, 120 and 125 days after flower induction (DAFI)]. Fruits were scanned at the green and table-ripe stage (TRS) using NIR reflectance spectroscopy. The fruits were then measured destructively for the determination of dry matter (DM) content at the green stage, total soluble solids (TSS) and sensory attributes at the TRS. The best calibration models were achieved using partial least square regression (PLSR) analysis for predicting DM, TSS and maturity in the short wavelength region of 700 - 990 nm at 2-nm increment. Principal component...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Agricultural / biosystems engineering; Chemometrics; Horticulture Near-infrared; Mango; Sweetness; Maturity; Eating quality; Philippines.
Ano: 2019 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/5152
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Moisture Sorption Isotherms and Mathematical Model Selection for Dried Sandfish (Holothuria scabra) CIGR Journal
Yaptenco, Kevin Fernandez.
Dried sandfish (Holothuria scabra) is often poorly dried by artisanal fishers in the Philippines, resulting in downgrading of the product. To establish recommended moisture content (MC) for a stable product, this study aimed to develop moisture sorption isotherms (MSI) at 30, 45 and 60°C at ten levels of water activity (aw) using an isopiestic method based on saturated salt solutions. MSI data was fitted to six mathematical models by non-linear regression analysis. Water vapor transmission rate (WVTR) of low-density polyethylene (PE) and polypropylene (OPP) film was measured at 30 and 35oC. A mass-balance model was used to predict shelf life and moisture content during storage based on MSI and WVTR data. MSI of H. scabra followed a Type III curve, which...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Agricultural engineering; Food processing; Drying Moisture sorption sandfish sea cucumber shelf life water activity Philippines.
Ano: 2017 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/3807
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