DOI : https://doi.org/10.18517/ijaseit.9.3.7419

The Glycemic Index (GI) of Adlay (Coix lachryma-jobi var-mayuen) on Processed Products

- Tensiska (1), Imas Siti Setiasih (2), O. Suprijana (3), Warid Ali Qosim (4), Yana Cahyana (5)
(1) Universitas Padjadjaran
(2) Universitas Padjadjaran
(3) Universitas Padjadjaran
(4) Universitas Padjadjaran
(5) Universitas Padjadjaran
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How to cite (IJASEIT) :
Tensiska, -, et al. “The Glycemic Index (GI) of Adlay (Coix Lachryma-Jobi Var-Mayuen) on Processed Products”. International Journal on Advanced Science, Engineering and Information Technology, vol. 9, no. 3, June 2019, pp. 1058-62, doi:10.18517/ijaseit.9.3.7419.
Citation Format :
Adlay or Job’s tears (Coix lachryma-jobi var ma-yuen) is one of minor cereals that is not used widely in Indonesia. Research on Adlay as a source of carbohydrate for diabetes patient is rarely found. Diabetes patient needs low Glycemic Index (GI) carbohydrate. As a source of carbohydrate for diabetes, Adlay has not yet been explored. The objective of this research was to determine Adlay processing method, which resulted in low GI product. In this research, first of all, Adlay was processed in three different treatments: (1) cooked with excessive water, like cooking rice; (2) puffed; and (3) flaked. The GI and gelatinization degree of the three types of processed products were then analyzed. Second of all, the ratio of margarine and sucrose in the Adlay flour and the ratio of water and coconut milk in flake products were determined. Biscuits and flakes were then analyzed using hedonic test involving 20 panelists to determine the preferred taste, flavor, texture, and appearance. The GI was then analyzed on the best result gained based on this test. The result showed that the processing method which resulted in low GI was flake (GI 51.3), with gelatinization degree of 35.6 %. Also, based on hedonic test, biscuits which were made of Adlay flour with margarine and sucrose ratio of 1:0.75 was the best one. Meanwhile, the best water and coconut milk ratio was 1: 1.  The GIs of both biscuits (GI 40) and flake (GI 36) was low (< 55).

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