The recipe with 2.5% addition of low-methoxyl pectin was chosen based on the results obtained.
Ciurzyńska Agnieszka, Lenart Andrzej, Karwosińska Joanna 2015, 'Effect of Quantity of Low–Methoxyl Pectin on Physical Properties of Freeze–Dried StrawberryJellies', Polish Journal of Food and Nutrition Scienceshttp://www.degruyter.com/view/j/pjfns.2015.65.issue-4/pjfns-2013-0020/pjfns-2013-0020.xml?format=INT. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The phenolic hydroxyl and methoxyl groups present in lignin reportedly possess various biological activities.
José Luis Espinoza-Acosta, Patricia Isabel Torres-Chávez, Benjamín Ramírez-Wong, CarmenMaría López-Saiz, Beatriz Montaño-Leyva 2016, 'Antioxidant, Antimicrobial, and Antimutagenic Properties of Technical Lignins andTheir Applications', BioResourceshttp://ojs.cnr.ncsu.edu/index.php/BioRes/article/view/BioRes_11_2_Acosta_Review_Technical_Lignins_Applications_. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
To determine the methoxyl contents, the acid - base titration was used.
Ika Daniarsari, Nurul Hidajati 2010, 'THE INFLUENCE OF THE EXTRACTION TEMPERATURE ON THE RENDEMENT AND PECTIN METHOXYL CONTENTSOF WATERHYACINTH (Eichornia crassipes (Mart) Solms)', Indonesian Journal of Chemistryhttps://jurnal.ugm.ac.id/ijc/article/view/21796. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Stability of milk drinks could be improved by adding high methoxyl pectin.
Yanhua Li, Xinwei Wang, Yuecheng Meng, Fan Zhang, Zhipeng Shao, Ling Hu 2018, 'Effect of the modified high methoxyl pectin on the stability of the fermented milkbeverage', International Journal of Food Propertieshttp://dx.doi.org/10.1080/10942912.2018.1485029. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Adding a methoxyl group to phloretin dramatically increases phloretin's anticancer activity.
Xiaoxiao Qin, Yun Feng Xing, Zhiqin Zhou, Yuncong Yao 2015, 'Dihydrochalcone Compounds Isolated from Crabapple Leaves Showed Anticancer Effectson Human Cancer Cell Lines', Moleculeshttp://www.mdpi.com/1420-3049/20/12/19754. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Both of the pectins were classified as high-methoxyl pectins.
Bee Lin Chua, Yek Cze Chong 2018, 'Drying Kinetics and Optimisation of Pectin Extraction from Banana Peels via ResponseSurface Methodology', MATEC Web of Conferenceshttps://doi.org/10.1051/matecconf/201815201002. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Appreciable differences appear in the methoxyl and in the nitrogen contents.
Maija-Liisa Salo 1958, 'Lignin studies III. Lignin as tracer in digestibility investigations', Agricultural and Food Sciencehttps://journal.fi/afs/article/view/71442. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The high methoxyl content of its nitrogen free portion points to real lignin.
Maija-Liisa Salo 1957, 'Lignin studies II. The lignin content and properties of lignin in different materials',Agricultural and Food Sciencehttps://journal.fi/afs/article/view/71426. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The quantity of added low-methoxyl pectin influences the physical properties of freeze-dried strawberry jellies.
Ciurzyńska Agnieszka, Lenart Andrzej, Karwosińska Joanna 2015, 'Effect of Quantity of Low–Methoxyl Pectin on Physical Properties of Freeze–Dried StrawberryJellies', Polish Journal of Food and Nutrition Scienceshttp://www.degruyter.com/view/j/pjfns.2015.65.issue-4/pjfns-2013-0020/pjfns-2013-0020.xml?format=INT. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
While its methoxyl contents were 3,879 %; 3,993 %; 4,413 %; 3,573 % and 2,837 %.
Ika Daniarsari, Nurul Hidajati 2010, 'THE INFLUENCE OF THE EXTRACTION TEMPERATURE ON THE RENDEMENT AND PECTIN METHOXYL CONTENTSOF WATERHYACINTH (Eichornia crassipes (Mart) Solms)', Indonesian Journal of Chemistryhttps://jurnal.ugm.ac.id/ijc/article/view/21796. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)