scholarly journals Development of a low-cost modular VIS/NIR spectroscopy for predicting soluble solid content of banana

2021 ◽  
Vol 644 (1) ◽  
pp. 012047
Author(s):  
M F R Pahlawan ◽  
R K Wati ◽  
R E Masithoh
Keyword(s):  
Low Cost ◽  
Nir Spectroscopy ◽  
Solid Content ◽  
Soluble Solid Content ◽  
Soluble Solid

scholarly journals Genetic Divergence Studies in Tomato Genotypes Grown under Low-Cost Polyhouse Conditions

2021 ◽  
pp. 309-313
Author(s):  
Rakesh Kumar ◽  
Anil Bhushan ◽  
R. K. Samnotra ◽  
Tuhina Dey ◽  
Manmohan Sharma ◽  
...  
Keyword(s):  
Fruit Set ◽  
Low Cost ◽  
Fruit Weight ◽  
Solid Content ◽  
Soluble Solid Content ◽  
Close Relationship ◽  
Cluster Distance ◽  
Soluble Solid ◽  
Tomato Genotypes ◽  
Selection Of

Assessment of genetic diversity was made for sixteen yields and yield contributing traits in twenty-one tomato genotypes using D2 statistics. These genotypes were grouped into five clusters by the use of the Tocher method. Cluster I was the most significant, comprising 13 genotypes (Pusa Ruby, CLN2123A1 Red, PKM-1, IIHR-2042, Marglobe, EC 163605, Hawaii 7998, Palam Pink, EC 521038, Punjab Rakthak, EC 163383, Arka Abha and IIVR BT-10) followed by Cluster II  with 5 genotypes (EC 163611, Punjab Sartaj, EC 160885, Punjab Barkha Bahar  and Roma). Other Clusters (II, IV and V) were solitary ones (EC 249515, Kashi Chayan, DVRT-2). Cluster II recorded a maximum intra cluster distance of 3521.73 followed by cluster I (2796.45), whereas, cluster II, IV and V had zero intra cluster distance. The inter cluster D2 value also ranged widely, with a minimum value of 4082.34 between cluster I and IV, indicating a close relationship among the genotypes included. The maximum inter cluster D2 value (23102.20) between cluster II and V indicates high diversity among the genotypes in the clusters. Hence,   maximum contribution towards divergence was observed by average fruit weight (14%) followed by fruit set percentage (12%), number of flowers per cluster (8%), fruit yield per plant (7%), number of fruits per truss (6 %) and total soluble solid content (6 %). Hence, due importance could be given to the selection of genotypes for further improvement based on these traits.

scholarly journals Determination of soluble solid content and acidity of loquats based on FT-NIR spectroscopy

2009 ◽  
Vol 10 (2) ◽  
pp. 120-125 ◽  
Author(s):  
Xia-ping Fu ◽  
Jian-ping Li ◽  
Ying Zhou ◽  
Yi-bin Ying ◽  
Li-juan Xie ◽  
...  
Keyword(s):  
Nir Spectroscopy ◽  
Solid Content ◽  
Soluble Solid Content ◽  
Soluble Solid

scholarly journals Adulterated stingless bee honey identification using VIS-NIR spectroscopy technique

Food Research ◽  
2021 ◽  
Vol 5 (S1) ◽  
pp. 85-93
Author(s):  
M.F.J. Azmi ◽  
D. Jamaludin ◽  
S. Abd. Aziz ◽  
Y.A. Yusof ◽  
A.M. Mustafah
Keyword(s):  
Nir Spectroscopy ◽  
Principal Component ◽  
Solid Content ◽  
Stingless Bee ◽  
Soluble Solid Content ◽  
Spectroscopy Technique ◽  
Accuracy Rate ◽  
Linear Discriminant ◽  
Different Types ◽  
Soluble Solid

The objective of this study was to study the ability of the VIS-NIR spectroscopy to classify the pure and adulterated stingless bee honey across the wavelength range of 450– 969 nm using an optical spectrometer. The physicochemical properties such as soluble solid content (SSC) and moisture content (refractive index, RI) of pure and adulterated honey has also been investigated using a refractometer. The result showed that pure stingless bee honey has the highest transmittance rate, SSC and RI value compared to adulterated honey. There are significant differences (P < 0.0001) in the transmittance rate, SSC and RI of stingless bee honey over five different types of treatments. The results also showed that VIS-NIR data were good in classifying the samples into different treatments with 99.33% accuracy rate. About thirty-four wavelengths were found to be the most significant to discriminate the different treatments by principal component analysis (PCA) and linear discriminant analysis (LDA) techniques.

Role of Phospholipase D Inhibitor in Regulating Expression of Senescencerelated Phospholipase D gene in Postharvest Longan Fruit

2019 ◽  
Vol 14 (7) ◽  
pp. 649-657 ◽  
Author(s):  
Li Li ◽  
Jiemin Li ◽  
Jian Sun ◽  
Ping Yi ◽  
Changbao Li ◽  
...  
Keyword(s):  
Phospholipase D ◽  
Ascorbic Acid Content ◽  
Titratable Acidity ◽  
Significant Inhibition ◽  
Solid Content ◽  
Total Soluble Solid ◽  
Total Phenolic ◽  
Soluble Solid Content ◽  
Soluble Solid ◽  
Pericarp Browning

Background: Phospholipase D (PLD)is closely related to browning and senescence of postharvest longan fruit. Objective: This study investigated the effects of 2-butanol (a PLD inhibitor) on the expression and regulation of PLD during storage of longan fruit at a low temperature. Methods: Senescence-related quality indices showed that the 2-butanol-treated fruit presented lower pericarp browning index, pulp breakdown index and total soluble solid value than the untreated fruit. Results: The fruit treated by 60 µL/L 2-butanol exhibited the strongest inhibition on senescence, which significantly delayed changes in weight, titratable acidity content, total soluble solid content and ascorbic acid content. This treatment maintained a high level of total phenolic content and caused significant inhibition on pericarp browning and pulp breakdown. Through ELISA method, 60 µL/L 2-butanol treatment also reduced PLD activity. Real-time RT-PCR (RT-qPCR) results showed that PLD mRNA expression level was inhibited by 60 µL/L 2-butanol within 15 days. Western-blotting results further confirmed the differential expression of PLD during storage, and a relatively higher expression for PLD protein was found in control compared to the 2-butanoltreated fruit during 15-d storage. Conclusion: These results provided a scientific basis and reference to further investigating postharvest longan quality maintenance by regulating the PLD gene expression.

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