{"title":"RP-HPLC Method for Simultaneous Determination of Zingerone, Berberine, and Piperine in Ayush Kadha: Greenness and Whiteness Evaluation","authors":"Jay Rana, Sonal Desai","doi":"10.1007/s12161-025-02788-w","DOIUrl":"10.1007/s12161-025-02788-w","url":null,"abstract":"<div><p>RP-HPLC method for simultaneous determination of Zingerone, Berberine, and Piperine present in <i>Ayush Kadha</i> was developed and validated. The separation was achieved on the C18 column (250 mm × 4.6 mm, 5 µm) using isocratic elution with 0.1% trifluoroacetic acid:methanol:acetonitrile (35:60:5, v/v/v) at flow rate of 1.0 mL min<sup>−1</sup>. The detection wavelength was set at 269 nm. For Zingerone, Berberine, and Piperine, the retention times were found to be 4.417 min, 6.550 min, and 15.983 min, respectively. The limit of detection (LOD)/limit of quantification (LOQ) were found to be 0.0007/0.002 µg mL<sup>−1</sup>, 0.001/0.003 µg mL<sup>−1</sup>, and 0.19/0.59 µg mL<sup>−1</sup>, for Zingerone, Berberine, and Piperine, respectively. The method was linear in the range of 1.5–6 µg mL<sup>−1</sup> for all the markers. Mean % recoveries for Zingerone, Berberine, and Piperine were found to be within the acceptance limit of 90–110%, and the % RSD for precision was found to be less than 2.0%. The proposed method can be used as a quality control tool for formulations containing a combination of <i>Zingiber officinale</i>, <i>Tinospora cordifolia</i>, and <i>Piper nigrum.</i> Greenness of the method was assessed using different tools, namely AGREE, AGREEprep, and RGBfast, and whiteness was assessed by the BAGI tool. This HPLC method demonstrates novelty by offering a greener, more efficient approach with superior sensitivity and validated robustness for the simultaneous determination of Zingerone, Berberine, and Piperine in <i>Ayush Kadha</i>.</p></div>","PeriodicalId":561,"journal":{"name":"Food Analytical Methods","volume":"18 6","pages":"1138 - 1148"},"PeriodicalIF":3.0,"publicationDate":"2025-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145167236","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Augusto César Costa-Santos, Eduardo Adilson Orlando, Ana Paula Rebellato, Maria Cristina Ferreira Zambom, Gisele Marcondes Luz, Venancio Ferreira Moraes-Neto, Elem Tamirys dos Santos Caramês, Nathan Hargreaves Noguera, Amanda Silva do Carmo, Mirna Lúcia Gigante, Márcia Miguel Castro Ferreira, Juliana Azevedo Lima Pallone
{"title":"Ultrasound-Assisted Extraction for Essential Minerals in Organic Dairy Matrices and Confocal Microscopy Application","authors":"Augusto César Costa-Santos, Eduardo Adilson Orlando, Ana Paula Rebellato, Maria Cristina Ferreira Zambom, Gisele Marcondes Luz, Venancio Ferreira Moraes-Neto, Elem Tamirys dos Santos Caramês, Nathan Hargreaves Noguera, Amanda Silva do Carmo, Mirna Lúcia Gigante, Márcia Miguel Castro Ferreira, Juliana Azevedo Lima Pallone","doi":"10.1007/s12161-025-02778-y","DOIUrl":"10.1007/s12161-025-02778-y","url":null,"abstract":"<div><p>Ultrasound-assisted extraction (UAE) offers a faster and eco-friendly alternative for samples prepared for essential mineral determination in foods. This study aims to validate a UAE method for sample preparation to determine Ca, Mg, Zn, Na, and K in organic dairy products using flame atomic absorption spectroscopy (FAAS) and confocal microscopy was used as one parameter to evaluate the efficiency of process. Commercial organic milk, yogurt, and cheese were analyzed. For experiments, a face-centered experimental design to optimize acid volume (5 and 10 mL) and ultrasonic bath temperature (45 and 70 °C) are used. Optimal conditions were identified for each sample type, and a <i>t</i>-test showed no significant differences in mineral content between the UAE (30 min) and traditional wet mineralization in digestion block (4 h) procedures for the majority of samples. The validated method carried out by UAE demonstrated satisfactory linearity (R<sup>2</sup> > 0.98), repeatability (RSD < 10%), and inter-day precision (RSD < 8%). Fortified samples showed mineral recovery within the validation range for Ca (82–95%), Mg (85–96%), Zn (92–102%), K (97–109%), and Na (84–102%). Similar recovery rates were achieved in a certified reference material (CRM NIST 1549) evaluated. Confocal microscopy confirmed that UAE effectively degraded organic matter for essential mineral determination. Overall, the UAE proved effective for sample preparation for mineral determination in organic dairy samples, offering time efficiency, reduced solvent use, and reliable results.</p></div>","PeriodicalId":561,"journal":{"name":"Food Analytical Methods","volume":"18 6","pages":"1118 - 1137"},"PeriodicalIF":3.0,"publicationDate":"2025-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145166235","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Celiwe P. Dlangalala, Njabulo S. Mdluli, Masixole Sihlahla, Nomvano Mketo
{"title":"Development of UAD-ICP-OES Method for Determination of Multi-Element in Wine Beverages: Evaluating Human Health Risk Assessment and Method Greenness Index","authors":"Celiwe P. Dlangalala, Njabulo S. Mdluli, Masixole Sihlahla, Nomvano Mketo","doi":"10.1007/s12161-025-02779-x","DOIUrl":"10.1007/s12161-025-02779-x","url":null,"abstract":"<div><p>The aim of this study was to develop a cost-effective “green” ultrasound-assisted dilution (UAD) for the extraction of major (Na, Ca, k, Mg, B, Ba, and Al) and trace elements (Ni, As, Pb, Sb, Ti, Cd, Co, V, Cr, and Cu) from red wine samples prior to analysis using inductively coupled plasma optical emission spectroscopy (ICP-OES). A multivariate optimization tool was used for the assessment of the optimum method extraction parameters, which were 3 M, 2 mL, 30 min, and 70 °C for HNO<sub>3</sub> concentration, wine volume, extraction time, and ultrasound temperature, respectively. The developed UAD method reported very high LOQ that ranged from 26 to 1040 µg/L, precision of ≤ 6.3%, and accuracy ranging from 92 to 101%. Based on the results obtained, all the detected metals except for Na were above the SANS 241 drinking water standard, while in comparison to OIV standards, all the metals exceeded the maximum permissible limit except B. Human health risk was assessed using various assessment indices, and the results obtained indicated a significant risk to human health posed by metal contaminated wine consumption. The greenness of the method to comply with green chemistry principles was assessed using various metrics tools such as NEMI, AES, and AGREE. When comparing the results obtained from all these tools, they all qualified the proposed method as green.</p></div>","PeriodicalId":561,"journal":{"name":"Food Analytical Methods","volume":"18 6","pages":"1101 - 1117"},"PeriodicalIF":3.0,"publicationDate":"2025-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s12161-025-02779-x.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145165637","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yunuen Erandy Torres-Zamudio, Guadalupe del Carmen Rodríguez-Jimenes, Gerardo Fernández Barbero, Araceli Pérez-Silva
{"title":"Development and Validation of an HPLC–DAD Method for the Quantification of Divanillin and the Main Compounds Present in Vanilla planifolia Jacks. ex Andrew","authors":"Yunuen Erandy Torres-Zamudio, Guadalupe del Carmen Rodríguez-Jimenes, Gerardo Fernández Barbero, Araceli Pérez-Silva","doi":"10.1007/s12161-025-02776-0","DOIUrl":"10.1007/s12161-025-02776-0","url":null,"abstract":"<div><p>This work presents a developed and validated high-performance liquid chromatography with a diode array detection (HPLC–DAD) method for the separation and quantification of divanillin and 8 compounds (<i>p</i>-hydroxybenzyl alcohol, vanillyl alcohol, <i>p</i>-hydroxybenzaldehyde, <i>p</i>-hydroxybenzoic acid, vanillic acid, vanillin, anisyl alcohol and anisic acid) present in <i>Vanilla planifolia</i> Jacks. ex Andrews. Chromatographic separation was achieved in 15 min using A Zorbax Eclipse XDB-C18 column (250 mm × 4.6 mm i.d., 5 μm particle size). Gradient elution was performed using a solvent mixture of water, methanol and acidified water (10<sup>–2</sup> M H<sub>3</sub>PO<sub>4</sub>), at a flow rate of 2.25 mL/min with detection at 230, 254 and 280 nm. The method was comprehensively validated according to the International Conference of Harmonization (ICH) Q2 (R1) guidelines. The method was linear in 0.1–200 mg/L concentration range with coefficient of determination (r<sup>2</sup>) higher than 0.99. The percentage recovery ranged from 98.04 to 101.83% with a relative standard deviation of less than 2%, confirming the method's accuracy and precision for the analysis of nine compounds. Existing methods for analyzing aromatic compounds in vanilla, such as HPLC–DAD, GC–MS, and NMR, often overlook divanillin or lack validated protocols for its quantification alongside other compounds. This study presents a significant advancement by developing a robust, validated HPLC–DAD method that enables the simultaneous quantification of divanillin, vanillin, and other key phenolic compounds with evidence of divanillin presence in all analyzed samples in cured pods of <i>Vanilla planifolia</i> Jacks. ex Andrews, with concentrations ranging from 0.002 to 0.02 g/100g dry weight.</p></div>","PeriodicalId":561,"journal":{"name":"Food Analytical Methods","volume":"18 6","pages":"1073 - 1088"},"PeriodicalIF":3.0,"publicationDate":"2025-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s12161-025-02776-0.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145163627","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Can Zhao, Tiantian Niu, Jiaxin Zhou, Leqing Zhu, Shuang Gu, Xiangyang Wang
{"title":"Early Detection of Alternaria alternata Infection in Fresh Pepper Fruit Based on Chlorophyll Fluorescence Properties and Membrane Leakage","authors":"Can Zhao, Tiantian Niu, Jiaxin Zhou, Leqing Zhu, Shuang Gu, Xiangyang Wang","doi":"10.1007/s12161-025-02773-3","DOIUrl":"10.1007/s12161-025-02773-3","url":null,"abstract":"<div><p>Timely identification of <i>Alternaria alternata</i> infection in postharvest green peppers is crucial before overt symptoms. This study evaluated peppers’ appearance, chlorophyll, chlorophyll fluorescence parameters, and membrane leakage after <i>A. alternata</i> infection. Fatty acids of thylakoid membrane in peppers were determined by gas chromatography-mass spectrometry (GC–MS). Diseased fruit showed early declines in appearance, chlorophyll, fluorescence parameters, and membrane integrity, with minimum fluorescence (F0), electrical conductivity, and the absorbance of nucleic acid at 260-nm wavelength (OD<sub>260</sub>) distinguishing them from the controls within 1 d. These changes preceded sensory quality and other chlorophyll metrics. Diseased areas exhibited significant differences than healthy areas. Total fatty acid contents in the controls increased, while those in diseased fruit decreased. Linoleic acid had a significant correlation with membrane leakage, fluorescence, and chlorophyll, respectively. The degradation of unsaturated fatty acids led to significant changes in chlorophyll fluorescence parameter and membrane leakage. F0, electrical conductivity, and OD<sub>260</sub> were all suitable for early identification of <i>A. alternata</i> infection in postharvest peppers.</p></div>","PeriodicalId":561,"journal":{"name":"Food Analytical Methods","volume":"18 6","pages":"1089 - 1100"},"PeriodicalIF":3.0,"publicationDate":"2025-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145163253","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Direct Determination of Volatile Congeners in Wine Using SPME–GC–MS with Minor Sample Preparation","authors":"Anton Korban, Walter Goessler, Radomír Čabala","doi":"10.1007/s12161-025-02771-5","DOIUrl":"10.1007/s12161-025-02771-5","url":null,"abstract":"<div><p>In this study, the “Ethanol as an Internal Standard” method was employed for the quantification of volatile congeners in wines using headspace solid phase microextraction (SPME) as a way of sampling and gas chromatography coupled to mass spectrometry detector (GC–MS) for detection. The “Ethanol as an Internal Standard” method is fast, cheap, and simple, and demonstrates good compatibility with green analytical chemistry standards. SPME sampling was performed without sample pre-treatment beyond dilution with water. A series of standard solutions containing 10 commonly encountered wine congeners was prepared gravimetrically to test the method’s linearity and sensitivity. The proposed method was then compared to the traditional internal standard (IS) method, using 1-pentanol as the IS compound. Although the precision and linearity for some compounds were slightly lower when using the proposed method, these issues can be mitigated through further optimisation of the SPME methodology. In terms of accuracy, the proposed method exhibited similar recoveries to the traditional IS method: 98.5 ± 8.8% and 103.4 ± 9.8%, consequently. Ten real wine samples (four white and six red) produced in Austria were simultaneously analysed using both IS methods for comparison. The results of the paired <i>t</i>-test showed that the mean concentrations of individual congeners obtained from both IS methods did not differ significantly (<i>p</i> = 0.05), with only one congener exhibiting a statistically significant difference. Given its outstanding practical advantages, the “Ethanol as an Internal Standard” method is recommended for wine analysis.</p></div>","PeriodicalId":561,"journal":{"name":"Food Analytical Methods","volume":"18 6","pages":"1066 - 1072"},"PeriodicalIF":3.0,"publicationDate":"2025-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145162830","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jingxuan Zeng, Haoyue Zheng, Rifeng He, Dan Zhou, Xiaoyan Peng, Nan Mo, Zhonghai Mo, Xue Zhou, Fahuan Ge
{"title":"A New Supercritical CO2 Defatting—pH Multistage Regulation Extraction Method of Walnut Protein Isolate With Excellent Functional Properties","authors":"Jingxuan Zeng, Haoyue Zheng, Rifeng He, Dan Zhou, Xiaoyan Peng, Nan Mo, Zhonghai Mo, Xue Zhou, Fahuan Ge","doi":"10.1007/s12161-025-02777-z","DOIUrl":"10.1007/s12161-025-02777-z","url":null,"abstract":"<div><p>In this paper, we proposed a new supercritical CO<sub>2</sub> defatting—pH multistage regulation extraction method (SD-PMRE) of high water soluble walnut protein isolate (HWPI), by investigating the effects of PMRE, three defatting methods, and walnut seed coat on the functional properties of HWPI. The results showed that HWPI had high yield of 48.56% and high protein content of 87.58%. More importantly, it had a solubility of 91.58%, significantly higher than walnut protein isolate (WPI) with the highest solubility. Meanwhile, other functional properties of HWPI were greatly improved, with emulsification capacity and stability of 118.07 m<sup>2</sup>/g and 91.03%, and foaming capacity and stability of 129.17% and 89.29%, respectively. Through the SD-PMRE, the problem of WPI’s poor functional properties such as solubility was solved, avoiding the shortcomings brought by modification methods and expanding the application of walnut protein in the fields of food and medicine.</p></div>","PeriodicalId":561,"journal":{"name":"Food Analytical Methods","volume":"18 6","pages":"1052 - 1065"},"PeriodicalIF":3.0,"publicationDate":"2025-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145163026","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Comparison of pH and Gas Sensitivity of Chitosan/Polyvinyl Alcohol Smart Film Containing Beet Root Peel and Red Cabbage Indicators in Milk Spoilage Monitoring","authors":"Parisa khodabakhsh, Behnaz Bazargani-Gilani","doi":"10.1007/s12161-025-02774-2","DOIUrl":"10.1007/s12161-025-02774-2","url":null,"abstract":"<div><p>In this research, the gas and pH sensitivity of chitosan/polyvinyl alcohol smart films containing red cabbage (RC) and red beetroot peel (BRP) indicators were compared in monitoring the spoilage of the stored milk at room temperature for 5 days. The designed smart films were as follows: 1—gas indicator films containing red cabbage extract (G-RC), 2—pH indicator films containing red cabbage extract (pH-RC), 3—gas indicator films containing beet root peel extract (G-BRP), 4—pH indicator films containing beet root peel extract (pH-BRP), 5—gas indicator control films (without extract) (G-C), and 6—pH indicator control films (without extract) (pH-C). By increasing the storage period, total viable count, psychrotrophic bacteria, <i>Enterobacteriaceae</i>, and yeast-molds populations significantly (<i>p</i> ≤ 0.05) enhanced so that all the samples were spoiled during 3 days of the storage. Also, all the chemical features (pH, titratable acidity, and fat percentage) of the studied samples exceeded the permissible limit after 3 days of storage. Sensory analysis (color, odor, and overall acceptability) showed that the studied milk samples became unusable (score below 3) after 3 days of storage. All the designed smart films containing extract discolored during the storage of the milk samples. The G-BRP film significantly (<i>p</i> ≤ 0.01) showed the most visual and real-time monitoring with the highest correlation coefficient (<i>R</i><sup>2</sup>) to the microbial, chemical, and sensory characteristics of the stored milk samples among the other films and G-RC, pH-RC, and pH-BRP treatments were in the next ranks, respectively. The control groups (G-C and pH-C treatments) did not show any color change during milk spoilage. It can be concluded that the chitosan/polyvinyl alcohol gas indicator films containing BRP and RC extracts with an accurate and clear color change were more efficient indicators in the timely monitoring of milk spoilage than the pH indicators.</p></div>","PeriodicalId":561,"journal":{"name":"Food Analytical Methods","volume":"18 6","pages":"1039 - 1051"},"PeriodicalIF":3.0,"publicationDate":"2025-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145161882","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Venancio Ferreira de Moraes-Neto, Augusto César Costa-Santos, Juliana Azevedo Lima Pallone
{"title":"Portable Near-Infrared Spectrometer in Tandem with Chemometrics as an Option for the Authenticating Commercial A2 Bovine Milk","authors":"Venancio Ferreira de Moraes-Neto, Augusto César Costa-Santos, Juliana Azevedo Lima Pallone","doi":"10.1007/s12161-025-02772-4","DOIUrl":"10.1007/s12161-025-02772-4","url":null,"abstract":"<div><p>The identification of genetic forms of proteins in milk can be achieved through genetic analysis and presents challenges and high time consumption for assessing the authenticity of A2 milk. In this context, the study focused on evaluating the possibility of authenticating A2 milk against non-A2 milk and their mixtures using a portable NIR spectrometer, the MicroNIR, combined with a one-class method. 63 samples of whole A2 milk were selected (authentic set), and 40 samples (fraudulent set) composed of non-A2 milk and mixtures in 3 different proportions (10, 25, and 50% v/v) of non-A2 milk in A2 milk. For spectra collection, a MicroNIR was used. Full data were pre-processed using different methods, but the most effective approach was the combination of the first derivative with Savitzky-Golay smoothing and Standard Normal Variate (SNV). A Data-driven Soft Independent Modeling of Class Analogy (DD-SIMCA) was applied. Using the Kennard-Stone algorithm, the authentic samples were split into two sets (45 for calibration and 20 for external validation). The non-A2 and fraudulent samples were added to the external validation set, and the model’s performance was evaluated using the metrics of sensitivity, specificity, accuracy, and precision. The DD-SIMCA model, utilizing 2 PCs, showed excellent performance, with 100% results in all metrics, indicating no errors in the recognition of authentic samples. This performance makes the model suitable for use with portable equipment. Additionally, this fast and non-invasive technique can be optimized for applications in industrial management, food control, and A2 product authentication.</p></div>","PeriodicalId":561,"journal":{"name":"Food Analytical Methods","volume":"18 6","pages":"1009 - 1018"},"PeriodicalIF":3.0,"publicationDate":"2025-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145162136","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Muhammad Hazwan Hamzah, Olivia Janam Dani Lalo, Adila Fazliyana Aili Hamzah, Hasfalina Che Man, Mohd Salahuddin Mohd Basri, Rosnah Shamsudin, Abd Halim Md Ali, Izzah Farhana Ab Aziz, Sukardi Gatuk Abdulloh
{"title":"Optimization of Ohmic Heated Extraction Using Response Surface Methodology and Quality Attributes of Dabai (Canarium odontophyllum) Pulp Oil","authors":"Muhammad Hazwan Hamzah, Olivia Janam Dani Lalo, Adila Fazliyana Aili Hamzah, Hasfalina Che Man, Mohd Salahuddin Mohd Basri, Rosnah Shamsudin, Abd Halim Md Ali, Izzah Farhana Ab Aziz, Sukardi Gatuk Abdulloh","doi":"10.1007/s12161-025-02775-1","DOIUrl":"10.1007/s12161-025-02775-1","url":null,"abstract":"<div><p>The process for extracting oil from dabai pulp using ohmic heated extraction is optimized by response surface methodology. The effects of ohmic heated extraction parameters on both the quantity and quality of oil yield were investigated. A central composite design was employed, focusing on factors such as voltage (40–60 V), temperature (70–90 ℃), and extraction time (15–30 min), with the production of dabai oil being the goal response. Optimized ohmic heated extraction for dabai pulp oil using response surface methodology achieved optimal conditions at 40 V, 70 °C, and 15 min with a predicted oil yield of 22.07% and an experimental yield of 23.12 ± 0.46%. The ohmic heated extraction process outperformed Soxhlet extraction in energy efficiency by requiring only 0.060 ± 0.004 kWh compared to 0.122 ± 0.056 kWh by Soxhlet extraction for a higher oil yield. The refractive index of the ohmic heated and Soxhlet extracted oil samples ranged from 0.623 to 0.625. The specific gravity ranged from 1.010 to 1.020. Both methods yielded oils with a yellowish color, indicating similar oil quality. The oil extracted via ohmic heating, containing pentadecane, (E)-2-heptanal, and terpinen-4-ol, was identified through gas chromatography-mass spectrometry. Scanning electron microscopy analysis highlighted significant structural changes in dabai pulp under ohmic heated extraction supporting the method’s efficiency. Overall, ohmic heated extraction presents a viable and sustainable alternative to traditional extraction methods for dabai pulp oil, offering improved efficiency and quality for industrial applications.</p></div>","PeriodicalId":561,"journal":{"name":"Food Analytical Methods","volume":"18 6","pages":"1019 - 1038"},"PeriodicalIF":3.0,"publicationDate":"2025-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145162137","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}