Pigment & Resin Technology: Volume 47 Issue 6

Production and optimization of anthocyanin-rich food colorant extracted from prunus nepalensis L. (Sohiong)

Tanya L. Swer, Komal Chauhan, Prodyut K. Paul, C. Mukhim, Khalid Bashir, Rachna Sehrawat

An upsurge in health and environmental concerns over the use of synthetic color has made the development of color from cheap and easily available natural sources, namely, plants…

Detection and quantification of natural pigments extracted from callus of Echinocereus cinerascens

Hashimah Elias, Rosna Mat Taha, Nor Azlina Hasbullah, Rashidi Othman, Noraini Mahmad, Azani Saleh, Sakinah Abdullah

This paper aims to study the effect of different organic solvents on the extraction of pigments present in callus cultures of E. cinerascens.

The visible reflectance spectrum stability and water content resistivity of natural dye coating paint film consisting chlorophyll

R. Usop, L. Sulaiman, N.A. Mazni, N.S.A. Manah, N. Anuar, A.K. Arof, Z.H.Z. Abidin

The purpose of this paper is to study the colour stability and water content resistivity of the green colour coating paint film (consisting of chlorophyll) during exposure to…

Development of anti-corrosion coatings using the disposable waste material

Norshahirah Mohamad Saidi, Ammar Shafaamri Shafaamri, Iling Aema Wonnie Ma, Ramesh Kasi, Vengadaesvaran Balakrishnan, Ramesh Subramaniam

The purpose of this study is to develop anti-corrosion coating systems using disposable waste materials. The dissolved polyethylene terephthalate (PET) has been blended with epoxy…

Color analysis of saffron (Crocus sativus L.) as potential natural colorant

A.K. Arof, N.A. Mat Nor, N.R. Ramli, I.M. Noor, N. Aziz, R.M. Taha

The purpose of the paper is to study the effect of color stability on introducing chenodeoxycholic acid (CDCA) into a colored liquid extract from saffron and determine the color…

Anthocyanin as potential source for antimicrobial activity in Clitoria ternatea L. and Dioscorea alata L.

Noraini Mahmad, R.M. Taha, Rashidi Othman, Sakinah Abdullah, Nordiyanah Anuar, Hashimah Elias, Norlina Rawi

The purpose of this paper is to validate the antimicrobial activity (both antibacterial and antifungal) of in vivo and in vitro ethanolic anthocyanin extracts of Clitoria ternatea…

UV-B irradiation effects on pigments and cytological behaviour of callus in sainfoin (Onobrychis viciifolia Scop.)

Sadegh Mohajer, Rosna Mat Taha, Minoo Mohajer, Nordiyanah Anuar

This study aims to determine the appropriate irradiation dose for induction of somaclonal variation in mass of unorganized parenchyma cells derived from sainfoin (Onobrychis…

Identification of crocin, crocetin and zeaxanthin in Crocus sativus grown under controlled environment in Malaysia

Nordiyanah Anuar, Rosna Mat Taha, Noraini Mahmad, Rashidi Othman

The purpose of the study is to identify the high valuable compounds which are crocin, crocetin and zeaxanthin in the stigmas and stamens of Crocus sativus grown under controlled…

Effects of pH, UV-B radiation and NaCl on anthocyanin stability from vivid blue petals of Clitoria ternatea L., a potential natural colourant from legume crop

Noraini Mahmad, R.M. Taha

The purpose of this study is to investigate the effects of pH, UV-B radiation and NaCl on anthocyanin extracted from vivid blue petals of Clitoria ternatea L. (legume crop), as a…

The effects of different solvent extraction and pH on the stability of carotenoids and chlorophyll in Cucumis melo L. for potential coating technology

Siti Aisha Na’illa Che Musa, R.M. Taha, Ummi Nur Ain Abdul Razak, Nordiyanah Anuar, A.K. Arof

The purpose of this paper is to evaluate the potential use of natural colorant extracted from fruit flesh and leaves of Cucumis melo L. (C. melo L.) in coating applications.