ABSTRACT Jengkol fruit peel are plantation waste that can be used as raw materials for activated charcoal. Activated charcoal is made by carbonization and activation processes. This research aimeds to obtain the best concentration of Natrium Hydroxide as an activator in making activated charcoal from jengkol fruit peel. The research was conducted experimentally used a completely randomized…
ABSTRACT Banana is a climacteric fruit that continues to respire after harvest, making it susceptible to damage during storage. This study aimed to determine the most effective concentration of red galangal extract in a corn starch-based edible coating to extend the shelf life of barangan bananas. The research used a non-factorial Completely Randomized Design (CRD) with six treatments and …
ABSTRACT The purpose of this research was to get the optimal immersion time of edible coating made from cassava peel starch on the quality of crystal guava during storage. This research used a completely randomized design with six treatments and three replications, resulting in 18 experimental units. The treatment in this study was the duration of dyeing edible coating of cassava peel star…
ABSTRACT Sago plants (Metroxylon sp.) are widely found throughout Indonesia. Sago starch, which is extracted from the pith of sago stems, represents a promising carbohydrate-based food commodity in the country. This research was conducted at the Agricultural Product Analysis Laboratory and the Agricultural Product Processing Laboratory, Faculty of Agriculture, University of Riau, in Pekanbaru.…
ABSTRACT This study was conducted to find a solution to the issue of expanding oil palm cultivation into areas with varying altitudes. The research aimed to evaluate the generative organs of oil palm at different altitudes. The study was carried out at three elevation levels above sea level: K (I) = 0–100 meters above sea level (masl), K (II) = 101–500 masl, and K (III) = >500 masl. A surv…
ABSTRACT Lactic acid bacteria (LAB) have become the object of extensive research, both nationally and internationally, because this bacterium has a critical role in most fermented foods. This research aims to isolate and identify the presence of LAB in dadih from Limau Manis Village. The research was conducted by isolating LAB from two tubes of dadih using the serial dilution method. Each …
ABSTRACT White bread is a widely consumed carbohydrate-rich product, usually made from wheat flour. Besides using wheat flour, white bread can also be substituted with local ingredients, such as sago starch. Heat moisture treatment (HMT) modification sago starch can be used as alternatives to reduce of the use of wheat flour in making white bread. The purpose was to determine the effect of…
ABSTRACT Yogurt is a beverage product processed through milk fermentation using Lactobacillus bulgaricus and Streptoccocus thermophilus. To add flavor, color, and aroma so as to improve the oraganoleptic properties of yogurt, it is necessary to add fruit in the manufacturing process such as dragon fruit. The use of red dragon fruit puree in yogurt is expected to increase the shelf life of …
ABSTRACT This study aims to analyze the effect of pressure differences on fiber loss and dirt count in pulp products. Pressure is one of the important parameters in the fiber washing and refining process, which can affect the efficiency of dirt separation and the quality of the fiber produced. The method used in this study is experimental with certain pressure variations at the relevant pr…
ABSTRACT Sweet corn (Zea mays saccharata Sturt.) is one of the horticultural commodities with high market demand. However, its productivity in Riau Province remains low. One of the efforts to improve the growth and yield of sweet corn is through the application of both organic and inorganic fertilizers. This study aimed to determine interaction between chicken manure bokashi (organic fertilize…
ABSTRACT This study aims to obtain selected characteristics of activated charcoal made from palm fiber with the help of phosphoric acid as an activator. This study was conducted using a completely randomized design (CRD) with five treatments and three replications. The treatments in this study involved the use of phosphoric acid at concentrations of 10% (KS1), 12.5% (KS2), 15% (KS3), 17.5%…
ABSTRACT Dry noodles are defined as products made from wheat. Gluten-free noodles are noodles which main ingredients do not contain gluten, one of which is sweet potato starch. Heat moisture treatment (HMT) modification can affect the characteristics of sweet potato starch, with these changes influenced by processing conditions, such as moisture content. The purpose was to determine the ef…
ABSTRACT Palm oil (Elaeis guineensis Jacq.) is a commercially developed palm plant, significant for its high productivity and economic value in tropical countries like Indonesia. Replanting aims to enhance oil palm productivity by replacing old, unproductive plants with new ones while ensuring the availability of high-quality seeds. Successful cultivation heavily relies on seed quality, partic…
ABSTRACT Peanuts are one of the most important food crops after rice, corn, and soybeans in Indonesia. Peanut production in Indonesia is still unstable, however it can be improved by utilizing the potential of Ultisol soils, which are widely distributed across the country. Nevertheless, Ultisol soils have various limiting factors, both chemical and physical. These limitations can be addressed …
ABSTRACT Maize (Zea mays L.) is an important food crop in Indonesia, serving both as a food source and livestock feed. Declining maize productivity is often linked to low soil fertility, especially in marginal soils such as Ultisols. This study aimed to examine the effects and interaction of solid compost and coal fly ash application on maize growth and yield, as well as to determine the o…
ABSTRACT Oil palm (Elaeis guineensis Jacq.) is a major plantation commodity in Indonesia, particularly in Riau Province, due to its high potential for development and its role in producing vegetable oil. As of 2022, Indonesia's oil palm plantation area reached 14.98 million hectares, with 2.85 million hectares located in Riau, accounting for 20% of the national total. Delayed flowering and…
ABSTRACT Clania tertia is a type of bagworm that attacks oil palm plantations in Indonesia. A common bagworm control technique is to use synthetic pesticides that can have a negative impact. The solution offered is to use the entomopathogenic Metarhizium anisopliae rice field isolate as an environmentally friendly alternative. This study aims to obtain the concentration of entomopathogenic fun…
ABSTRACT Oil palm plant is one of the plantation commodities that have an important role in economic activities in Indonesia. Cultivating oil palm plants as monocultures causes the environment more favorable for insect pests to attack the plants. To overcome this, it is necessary to observe the types and populations of pests on palm oil plants. This research aimed to obtain information and…
ABSTRACT Oil palm (Elaeis guineensis Jacq.) is one of Indonesia's main plantation commodities, especially in Riau Province. One of the key factors influencing the productivity of oil palm is the time required for flowering and fruit maturation. This study aimed to evaluate the interaction effects of coal-based fertilizer and NPK fertilizer, and to determine the optimal combination that aff…
ABSTRACT Coconut (Cocos nucifera L.) is an important commodity for the people of Indonesia, especially in Indragiri Hilir Regency, Riau. The land in coastal areas is generally tidal land, which often faces various problems. This study aims to determine the quality of coconuts produced based on differences in land elevation. The research uses a non-experimental comparative observational ap…