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Soluble solid content and firmness index assessment and

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Soluble solid content and firmness index assessment and ...

Soluble solid content and firmness index assessment and maturity discrimination of Malus micromalus Makino based on near-infrared hyperspectral imaging Food Chem. 2021 Sep 2;370:131013. doi: 10.1016/j.foodchem.2021.131013. Online ahead of print. Authors Qiang Gao 1 , Peng Wang 2 , Tong Niu 2 , Dongjian He 3 , Meili Wang 4 , Huijun Yang 5 , Xiaoqiang Zhao 6 Affiliations 1 College of

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Soluble solid content and firmness index assessment and ...

Similar to apples and other fruits, soluble solid content (SSC), firmness index (FI), and maturity are important indicators to evaluate fruit quality but can also influence consumers' purchasing decisions (Paz, Sanchez, Perez-Marin, Emilio Guerrero, Garrido-Varo, 2009).

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Soluble solid content and firmness index assessment and ...

Soluble solid content and firmness index assessment and maturity discrimination of ... and competitive adaptive reweighted sampling were employed to extract effective wavelengths sensitive to changes of soluble solid content (SSC) and firmness index (FI) information. Two types of assessment models based on full spectrum and effective wavelengths, namely partial least squares

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Soluble solid content and firmness index assessment and ...

Soluble solid content and firmness index assessment and maturity discrimination of Malus micromalus Makino based on near-infrared hyperspectral imaging Food Chemistry ( IF 7.514) Pub Date : 2021-09-02, DOI: 10.1016/j.foodchem.2021.131013

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Soluble solid content and firmness index assessment and ...

Soluble solid content and firmness index assessment and maturity discrimination of Malus micromalus Makino based on near-infrared hyperspectral imaging 来自 Elsevier 喜欢 0

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Prediction of Soluble Solids Content and Firmness of Pears ...

09/01/2015  Hyperspectral imaging technique was investigated to determine the soluble solids content (SSC) and firmness of pears. A total of 160 pear samples were prepared for the calibration (n = 120) and prediction (n = 40) sets. A hyperspectral imaging system was used to acquire hyperspectral reflectance image from each pear in visible and near infrared (400–1000 nm) regions. Mean spectra

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1. Comparison with flesh firmness and soluble solids content

The change in flesh firmness, soluble solids con-tent, and starch pattern index of Granny Smith apples from four Hawkes Bay orchards were com-pared during the 1976 season (Figs 2a, b, c). During maturation, the flesh firmness declined while the soluble solids content and starch pattern index in-creased. However, the absolute values of flesh firm-

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Nondestructive measurement of kiwifruit firmness, soluble ...

20/01/2020  Accurate assessment of kiwifruit maturity can help both consumers and ... The maximum force during penetration was recorded as fruit firmness. 2.3.2 Soluble solid content. Half of each sample was used to make juice, and 1 ml juice was used to measure SSC (°Brix) with a digital refractometer (PR-101a, Atago, Co.). 2.3.3 Titratable acidity. Measurement of TA, expressed in

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Postharvest Dry Matter and Soluble Solids Content ...

01/05/2018  Distribution of soluble solids content (SSC, %) values destructively measured from d’Anjou and Bartlett pears in the near-infrared model calibration (shaded areas) and external cross-validation datasets (solid and dashed lines; Orchards 1, 2, and 3 consisting of d’Anjou/OHF87, d’Anjou/Bartlett seedling, and Bartlett/OHF87, respectively).

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Multivariate approach to the measurement of tomato ...

The first one, tomato maturity stage (TMS), is related to color, lycopene content, firmness, titratable acidity (TA), pH, and soluble solids (SS). Nondestructive rapid assessment by vis-NIR spectroscopy can predict TMS (r(2)=0.93). Factors 2 and 3 are both related to taste and should be considered simultaneously. Factor 2, called the gustatory index, is linked to electrical conductivity (EC ...

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Prediction of firmness and soluble solids content of ...

This paper reports on the use of hyperspectral imaging technique for predicting the firmness and soluble solids content (SSC) of blueberries. A pushbroom hyperspectral imaging system was used to acquire hyperspectral reflectance images from 302 blueberries in two fruit orientations (i.e., stem and calyx ends) for the spectral region of 500–1000 nm. Mean spectra were extracted from the ...

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Spectroscopic profiling of soluble solids content and ...

Purpose – Visible and near infrared spectroscopy have been applied widely in fruits quality assessment especially on the measurement of soluble solids content (SSC) measured in oBrix and acidity measured in pH. Spectroscopy technique has been applied on three botanically different categories of fruits, that is: imported Californian table grape, Mandarin lime and star fruit.

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Postharvest Dry Matter and Soluble Solids Content ...

01/05/2018  Distribution of soluble solids content (SSC, %) values destructively measured from d’Anjou and Bartlett pears in the near-infrared model calibration (shaded areas) and external cross-validation datasets (solid and dashed lines; Orchards 1, 2, and 3 consisting of d’Anjou/OHF87, d’Anjou/Bartlett seedling, and Bartlett/OHF87, respectively).

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Robustness of Tomato Quality Evaluation Using a Portable ...

03/12/2017  Tomato fruit quality is assessed in terms of dry matter content (DM, also known as total solids content), soluble solids content (SSC), and external colour, and less commonly in terms of firmness and titratable acidity [1, 2]. There is also interest

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(PDF) Fruit Quality Evaluation Using Spectroscopy ...

01/05/2015  Most of the applications are focused on variety discrimination or the measurement of soluble solids content (SSC), acidity and firmness, but also some measurements involving dry

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A nondestructive testing method for soluble solid content ...

12/08/2020  Soluble solids content (SSC) is one of the most important internal properties because it is a key parameter for determining the overall physical quality and flavor of the pear (Lan, 2017; Nicolaïa et al., 2008; Wang et al., 2014), and it also could provide valuable information for commercial decision‐making (Paz, Sánchez, Pérez‐Marín, Guerrero, Garrido‐Varo, 2009; Peiris, Dull ...

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Cantwell - Maturation and Maturity Indices

• Internal color, firmness, soluble solids Days at 5°C (41°F) 02 468 mg/g fresh weight 60 70 80 90 100 Changes in Sugar Content Class 1 (no slip) Class 2 (1/4-1/2 slip) Cantaloupe Maturity/Ripeness Composition of fig cultivars separated by stage of maturity (ripeness). All the fruit were in boxes of ‘Commercial Maturity” (Cantwell Crisosto, 2010) Cultivar Maturity stage Weight, g ...

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Apple Maturity Assessments — Penn State College of ...

To track developments in physiological maturity, we will measure starch pattern, firmness, soluble solids, fruit size, % red color and ground color changes (visually and with a Delta A meter). The cumulative data will be presented here, and summaries of Starch Pattern Index and Delta A values will be posted each week at Fruit Times. The starch ...

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CHAPTER 2. BASIC HARVEST AND POST-HARVEST HANDLING ...

The soluble solids content of fruit is also determined by shining light on the fruit or vegetable and measuring the amount transmitted. This is a laboratory technique however and might not be suitable for village level production. Starch content: Measurement of starch content is a reliable technique used to determine maturity in pear cultivars ...

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(PDF) Fruit Quality Evaluation Using Spectroscopy ...

01/05/2015  Most of the applications are focused on variety discrimination or the measurement of soluble solids content (SSC), acidity and firmness, but also some measurements involving dry

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Starch iodine pattern as a maturity index for Granny Smith ...

09/02/2012  During maturation the flesh firmness declined whereas the soluble solids content and starch pattern index increased, but the overall change in flesh firmness and soluble solids was small compared to that of the starch pattern index. Regression analyses indicated that the starch pattern provides the least variable mdex and thus could be a reliable parameter for predicting harvest dates

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Post-harvest assessment of fruit quality and shelf life of ...

11/12/2019  The high quality attributes such as color, firmness, weight loss, chilling injury, total soluble solids, pH, disease incidence, disease severity, and dry matter content increased, whereas moisture content, vitamin C and titratable acidity decrease of tomato were observed in Roma VF while Sofol variety had high weight loss, moisture content, titratable acidity, and vitamin C. Moreover, the ...

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Fruit quality characterization and harvest maturity index ...

Physicochemical quality parameters [skin and pulp color, weight, pulp firmness, total soluble solids (TSS) content and titratable acidity] were determined at harvest and at 3 and 7 days after storage at 22°C and 85% RH. Organoleptic quality of full-ripe fruits was also compared. The results were similar for all cultivars. In general, TSS content at harvest was low, reaching a maximum of ...

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Analytical methods for determination of sugars and ...

assessment ofsugarcontent andsweetness fresh fruit and vegetables. 2. Indices used to characterize sugar content and sweetness of horticultural produce—An overview 2.1. Total soluble solids (TSS) and soluble solids content (SSC) The sugars and acids, together with small amounts of dissolved vitamins, fructans,proteins,pigments,phenolics ...

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Using °Brix as an Indicator of Vegetable Quality: An ...

18/01/2013  °Brix values are a measure of the soluble solids content of a solution. Sugars are the most abundant soluble solid in fruit and vegetable juices. Soluble solid (sugar) levels (°Brix readings) can be measured reliably on the farm, during storage, or at market using refractometers, which are inexpensive and small. Care must be taken, however, in selecting samples, completing readings, and ...

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Apple Maturity Assessments — Penn State College of ...

To track developments in physiological maturity, we will measure starch pattern, firmness, soluble solids, fruit size, % red color and ground color changes (visually and with a Delta A meter). The cumulative data will be presented here, and summaries of Starch Pattern Index and Delta A values will be posted each week at Fruit Times. The starch ...

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CHAPTER 2. BASIC HARVEST AND POST-HARVEST HANDLING ...

The soluble solids content of fruit is also determined by shining light on the fruit or vegetable and measuring the amount transmitted. This is a laboratory technique however and might not be suitable for village level production. Starch content: Measurement of starch content is a reliable technique used to determine maturity in pear cultivars ...

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FACTORS AFFECTING TOMATO SOLIDS

increasing lycopene content conventional selection for better peeled color is associated with higher lycopene and soluble solids this multigenic improvement in color may be dependent on higher solids (+ 0.30 %) the crimson gene (ogc) can increase lycopene by 18% compared to low solids hybrids is photosynthetically

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Physicochemical Properties and Nutritional Value of Jujube ...

firmness, protein content and ash weight were decreased as jujube fruit harvested at progressed development stages. Ascorbic acid in fruit was decreased from white to crisp mature stage and thereafter increased significantly to fully mature stage. However, the content of total phenol increased significantly from white to crisp mature stage and thereafter decreased at more maturity and ripening ...

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