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Brown rice is a whole grain rice with the inedible outer hull removed. This kind of rice sheds its outer hull or husk but the bran and germ layer remain on, constituting the brown or tan colour of rice. White rice is the same grain without the hull, the bran layer, and the cereal germ.
2 gru 2023 · Brown rice cultivation dates back to around 8,000 BCE in Asia, playing a crucial role in shaping economies and cultures throughout history. Ancient agricultural practices, including sophisticated irrigation systems and terrace farming, were key to the spread and success of rice cultivation.
4 kwi 2024 · The origin of brown rice dates back thousands of years, to the regions of Southeast Asia and the Indian subcontinent. **Brown rice originated in ancient India and China**, where it was cultivated as a staple food crop.
The rice grain generally refers to rough rice or paddy consisting of brown rice (or caryopsis) and the hull. Brown rice consists of the endosperm, embryo, and several thin layers of differentiated tissues — the pericarp (the ovary wall), the seed coat, and the nucellus.
Rice has been found in archaeological sites dating to 8000 bc, although the date of rice domestication is a matter of continuing debate. Two species of domesticated rice, Oryza sativa (Asian) and Oryza glaberrima (African) are grown globally.
2 sty 2015 · To date, both archaeological and archaeobotanic discoveries seem to indicate that rice cultivation first began in the middle Yangzi Valley by 8500–8000 years BP, and subsequently expanded to south China and Southeast Asia.
Although rice has a relatively low protein content (about 8 percent in brown rice and 7 percent in milled rice versus 10 percent in wheat), brown rice (caryopsis) ranks higher than wheat in available carbohydrates, digestible energy (kilojoules [kJ]per 100 grams), and net protein utilization.
