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All Journal ILMU KELAUTAN: Indonesian Journal of Marine Sciences JAM : Jurnal Aplikasi Manajemen Journal of Telenursing (JOTING) Anjoro : International Journal of Agriculture and Business
Mansoor Abdul Hamid
School of Food Science & Nutrition, Universiti Malaysia Sabah
Agriculture, Biological Sciences & Forestry Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Health Professions Nursing

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Effects of Different Solvents on the Antioxidant Activity of Several Seaweed Species from Semporna, Sabah, Malaysia Hamid, Mansoor Abdul; Yeap, Chi Hong; Mustapha, Wan Aida Wan; Martony, Oslida; Fatmawati, Fatmawati
ILMU KELAUTAN: Indonesian Journal of Marine Sciences Vol 29, No 1 (2024): Ilmu Kelautan
Publisher : Marine Science Department Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ik.ijms.29.1.29-36

Abstract

Sabah is the main seaweed producer in Malaysia especially red seaweeds which are commercially cultivated for the production of food gum known as carrageenan. Seaweeds are also high in phytochemical such as antioxidant compounds.  Three seaweeds species from the Semporna Seawater, Sabah, namely Kappaphycus alvarezii, Caulerpa lentillifera and Sargassum polycystum were chosen for this study for the analysis of their antioxidant activities.  K. alvarezii species is commercially cultivated whereas the other two (C. lentillifera and S. polycystum) are wild species.  All seaweeds species underwent drying process in a cabinet dryer prior to the analyses.  Six types of solvents which were water, ethanol, methanol, chloroform, ethyl acetate and hexane were used for the extraction process. Every concentrated, extracted solutions were then measured for their antioxidant activities based on total phenolic content (TPC), diphenylpicrylhydrazyl (DPPH) radical scavenging activity, ferric reducing antioxidant power (FRAP) and β-carotene bleaching assay. Results showed that TPC of S. polycystum was significantly higher (p<0.05) than K. alvarezii but not significantly different (P>0.05) from C. lentillifera. Even though the extraction yield of water was the highest, but the greatest antioxidant activity values were seen in methanolic extraction in comparison to the other solvents in TPC, DPPH and FRAP. This indicated that most of the antioxidant compounds in all the three seaweed samples are polar. However, high antioxidant activity in terms of β-carotene bleaching assay were seen in other solvent extractions, which were chloroform, hexane and ethyl acetate. This indicated that seaweed also contain non-polar antioxidant compounds such as β-carotene. Overall, the best extraction method of antioxidant compounds in seaweed samples was using methanol as the extractant.
Analysis of the quality of broccoli leaf powder treated by blanching and drying Hamid, Mansoor Abdul; Chong , Wan Ni; Hong, Yeap Chi; Mantony, Oslida; Devi, Mazarina; Soekopitojo, Soenar; Pratikto, Heri; Wibawa, Aji Prasetya; Sugiyanto, Sugiyanto
Anjoro: International Journal of Agriculture and Business Vol 4 No 1 (2023): Anjoro
Publisher : Agribusiness Department, Agriculture and Forestry Faculty, Universitas Sulawesi Barat, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31605/anjoro.v4i1.2350

Abstract

Brassica oleracea L. italica, the scientific name for broccoli, is a vegetable that is frequently consumed for its florets, which have a number of health benefits. However, other portions of the plant, including the leaves, are almost always discarded despite being good for human health. The study was carried out with the purpose of investigating how the physicochemical characteristics of powdered broccoli leaves were affected by blanching and various drying techniques applied. Broccoli leaves were first blanched in hot water before being dried, which included sun drying, oven drying, cabinet drying, and vacuum drying. The findings demonstrated that blanching enhanced the powder's physical attributes while maintaining its phenolic and flavonoid contents. Blanching also reduced the breakdown of the chlorophyll content in all drying techniques, although this process made it harder to keep the goods' antioxidant function. In conclusion, vacuum drying method of blanched broccoli leaf powder showed the highest retention of physicochemical properties, phytochemical content, and antioxidant activity.
Hubungan Antosianin dan Diabetes Melitus Tipe 2 dalam Kajian Medis Martony, Oslida; Doloksaribu, Bernike; Hamid, Mansoor Abdul; Harahap, Armansyah Maulana; Alfira, Alfira
Journal of Telenursing (JOTING) Vol 6 No 2 (2024): Journal of Telenursing (JOTING)
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/joting.v6i2.11897

Abstract

The aim of the current research is to review and provide a more comprehensive assessment of the relationship between the anti-diabetic effects of Anthocyanins in humans, whether consumed as a dietary supplement, purifying agent, flavonoid mixture, or extract. In this narrative review, eighteen recent clinical studies that have been published over the last five years studying the therapeutic effects of Anthocyanins in the diet in diabetes are described. Research results show that anthocyanin supplements can control blood glucose, glycated hemoglobin and other diabetes markers. Additionally, larger doses of Anthocyanins were shown to have better effects on diabetes treatment. There is evidence in this review that diets rich in Anthocyanins may increase the risk of diabetes, especially in people at risk. Additionally, research should focus on various clinical biomarkers, the ideal time frame for intervention, and the effect of Anthocyanins in both controlled and uncontrolled diabetes patients. In conclusion, clinical studies show that Anthocyanins can influence many targets related to diabetes mellitus simultaneously. Additionally, use of ACN during diabetes or hyperglycemia appears to be safe and effective. Keywords: Diabetes, Anthocyanin, Metabolism, Food
Employee Performance: Exploring Transformational Leadership, Organizational Culture, and Employee Engagement as a Mediator in Micro, Small, and Medium Enterprise Food Sector Nurimansjah, Ris Akril; Erwina, Erwina; Anggoro KR, M. Yusuf Alfian Rendra; Hamid, Mansoor Abdul
Jurnal Aplikasi Manajemen Vol. 22 No. 4 (2024)
Publisher : Universitas Brawijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jam.2024.022.04.03

Abstract

The increasingly tight competition in the MSME sector requires organizations to implement an effective leadership style and build a strong organizational culture to improve employee performance. This is an urgency for MSMEs to adapt and increase employee engagement as an important factor in creating competitive advantage. This study aims to examine the impact of Transformational Leadership and Organizational Culture on employee performance, with employee engagement acting as a mediating variable. Transformational Leadership and Organizational Culture are considered important in improving employee performance by encouraging greater engagement in the workplace. This study uses a quantitative approach with a population of all UMKM actors in the Food Sector in Jatinangor District totaling 133 people. Sampling was carried out using purposive sampling so that a sample size of 100 people was obtained. The results of the study indicate that transformational leadership does not have a significant direct effect on employee performance or employee engagement. Transformational leadership is proven to have a significant effect on employee engagement. Organizational culture also has a significant effect on employee engagement. Employee engagement has a positive effect on their performance. Employee engagement also mediates the relationship between transformational leadership and performance, as well as between organizational culture and performance. Organizational culture does not directly affect performance, building a positive culture is still important to increase employee engagement.
Co-Authors Aji Prasetya Wibawa alfira, alfira Anggoro KR, M. Yusuf Alfian Rendra Chong , Wan Ni Doloksaribu, Bernike Erwina Erwina Fatmawati Fatmawati Harahap, Armansyah Maulana Heri Pratikto Hong, Yeap Chi Mantony, Oslida Mazarina Devi Mustapha, Wan Aida Wan Oslida Martony Ris Akril Nurimansjah Soenar Soekopitojo Sugiyanto - Yeap, Chi Hong