ChinaChina
HuxiuFEATURE · TRANSLATED

Translated from Chinese · 1/21/1970 · 14 min read · 辉尝好吃©

Original: 不用等隔夜饭,一碗好炒饭,藏着大米的水热魔法 · https://www.huxiu.com/article/4887808.html

No need to wait for leftover rice, a good fried rice dish holds the thermal magic of rice and water

No need to wait for leftover rice, a good fried rice dish holds the magical power of water and heat in every grain of rice. A delicious fried rice dish has a standard of distinct, separate grains.

No need to wait for leftover rice, a good fried rice dish holds the thermal magic of rice Traditional fried rice is made by steaming japonica rice, then refrigerating it to restore its texture, including using leftover rice, which relies on starch aging to reduce stickiness and achieve loose grains.

No need to wait for leftover rice, a good fried rice dish holds the magical power of heat and water in its grains. However, during peak hours in the kitchen, it's difficult to prepare leftover rice in advance. Now, some restaurants use a type of "fried rice grain" that skips the refrigeration process, allowing freshly steamed rice to be stir-fried directly. This product is also compatible with restaurant steamer cabinets and commercial electric rice cookers, ensuring stable and consistent food production. In addition to achieving distinct grains, some restaurants claim that this product has the benefits of weight loss and a low glycemic index (GI). What's behind this?

No need to wait for leftover rice—a great plate of fried rice holds the hydrothermal magic of the grain. One variety of moderately hydrothermal-conditioned rice undergoes a brief soak while still in the husk—a low-temperature heat treatment set below the full starch gelatinization point of 70–75°C. At this stage, the starch undergoes only partial hydrothermal modification rather than complete gelatinization, after which the rice is dried and milled.

No need to wait for overnight soaking, a good fried rice, hiding the thermal magic of rice After restaurants purchase this type of rice and steam it, they can achieve a distinct grain effect. The result of this process is that the branched starch is partially broken down, while the linear starch is relatively increased.

No need to wait for overnight soaking, a good fried rice, hiding the thermal magic of water in rice The principle is that water infiltrates the interior of the rice grains, the endosperm absorbs water, causing the hydrogen bonds within the starch granules to loosen; under low-temperature humid heat conditions, the indigenous starch enzymes (α-amylase, debranching enzyme) in the rice grains are moderately activated, prioritizing the hydrolysis of the outer short branches of the branched starch: the branch points and outer short chains of the branched starch are more easily cut off by enzymes, and some large molecular branched chains are cut into medium and small fragments, while the linear starch molecules are relatively more resistant to this mild enzymatic hydrolysis, with less degradation.

No need to wait for overnight rice, a good fried rice, hiding the thermal magic of rice Some of the branched starch is consumed, so the detection of straight-chain starch percentage is relatively increased, the higher the proportion of straight-chain starch, the lower the inherent viscosity of the rice, the better the basic conditions for fried rice. After absorbing water and then low-temperature drying, the starch molecules inside the rice grains undergo rearrangement: some straight-chain starch and long-chain segments of branched starch re-form hydrogen bonds, building more ordered binding regions, similar to the structure of resistant starch produced by mild retrogradation, the gaps between starch granules shrink, and the microscopic structure of the endosperm becomes more dense and compact.

No need to wait for leftover rice, a good fried rice dish hides the thermal magic of rice and water The result is that the rate of water absorption during steaming and cooking slows down, and the water absorption rate decreases; starch granules are not easily fully expanded and broken; internal starch is not easily migrated and overflowed.

No need to wait for leftovers, a good fried rice dish holds the thermal magic of rice and water. The surface of the rice grains forms a dense barrier layer reorganized from its own starch.

No need to wait for overnight rice, a good fried rice, with the thermal magic of rice hidden inside When steaming and cooking rice, this surface barrier inhibits the large-scale dissolution of soluble starch inside; the rice grains can be normally steamed and cooked through, but a thick viscous starch gel will not form on the surface of the rice grains, so the rice grains will not easily stick together in a hot state, and therefore do not require overnight refrigeration to rejuvenate, and can be used directly for fried rice after steaming.

No need to wait for leftover rice, a good fried rice dish holds the thermal magic of rice. This type of rice mainly modifies the surface of the rice grains, reducing starch overflow during cooking, achieving separate and distinct grains, but the majority of the starch inside the endosperm is still fully gelatinized, and will still be quickly broken down into glucose in the small intestine.

No need to wait for a midnight snack, a good fried rice, hiding the thermal magic of rice It belongs to medium-to-high GI refined rice, not low-GI healthy staple food, and has no weight loss effect. Diabetics can only consume it in small amounts and cannot use it as a special rice for blood sugar control.

No need to wait for a midnight snack, a good fried rice dish holds the thermal magic of rice and water. When consuming fried rice, one must also be mindful of the additional caloric burden brought by the oil.

No need to wait for leftover rice, a good fried rice dish holds the thermal magic of rice There's also a type of steamed glutinous rice, commonly known as half-cooked rice, which involves complete thermal treatment of the rice while it's still in its husked state. The production process is:

No need to wait for a midnight snack, a good fried rice, hiding the thermal magic of rice Cleaning: Remove impurities and stones from the grains.

No need to wait for leftover rice, a good fried rice dish holds the hydrothermal magic of rice Soaking in warm water: Soak in 40-60℃ warm water for several hours, allowing moisture to penetrate the rice husk and enter the brown rice, so that the endosperm is fully hydrated.

No need to wait for leftover rice, a good fried rice dish holds the thermal magic of rice in its water content High-temperature steam treatment: 100-125℃ steam processing causes the starch inside the rice grains to undergo thorough gelatinization, unlike the moderate thermal treatment of the previous rice, which only modified the surface layer.

No need to wait for overnight soaking, a good fried rice, with the water heat magic hidden in the rice Segmented drying + slow recovery: first, hot air drying, then slow recovery to even out the internal water content of the rice grains, preventing the rice grains from cracking.

No need to wait for a midnight snack, a good fried rice dish holds the thermal magic of rice and water. Milling the rice results in a light amber-colored steamed glutinous rice product.

No need to wait for leftover rice, a good fried rice dish holds the thermal magic of rice. Rice cooked with this type of grain is also distinct and separate. The main reason this rice remains distinct and separate after cooking is that the starch molecules undergo a deep rearrangement after special processing.

No need to wait for overnight rice, a good fried rice, hiding the thermal magic of rice High-temperature steam heating makes the rice endosperm starch fully gelatinized, and subsequent drying and cooling cause the long-chain segments of amylose and amylopectin to recombine on a large scale, forming more slowly digestible starch and resistant starch.

No need to wait for overnight rice, a good fried rice, hiding the thermal magic of rice and water As starch molecules form more ordered and compact structures, the speed at which digestive enzymes in the human body come into contact with and hydrolyze them slows down, resulting in a more gradual increase in blood sugar after meals.

No need to wait for dinner, a good fried rice, hiding the thermal magic of rice Ordinary refined white rice is mostly quick-digesting starch with a high glycemic index, with a GI of around 70-78. This type of steamed rice has a GI of mostly between 55-65, belonging to the medium GI range, and with modern improved processing technology, it can even achieve a low GI of less than 55.

No need to wait for dinner, a good fried rice, hiding the thermal magic of rice It's worth noting that steamed germinated brown rice is not low in carbohydrates or a sugar-reducing rice, with a total carbohydrate content similar to that of regular rice, it just has a slower digestion rate, and its weight loss effect is not ideal. The unique advantage of steamed germinated brown rice is that it undergoes a 3-fold reverse osmosis migration of nutrients.

No need to wait for dinner, a good fried rice, hiding the thermal magic of rice The bran and endosperm of rice contain a large amount of B vitamins, iron, magnesium and other minerals. During regular milling, the bran is ground away, resulting in the loss of nutrients.

No need to wait for overnight soaking, a good fried rice, hiding the hydrothermal magic of rice After soaking and high-temperature steam heating, the water-soluble B vitamins and minerals in the bran and starch layers penetrate and migrate into the endosperm.

No need to wait for leftover rice—a great plate of fried rice is a story of water and heat working their magic on the grain. When the rice is subsequently milled to strip away the bran layer, the nutrients that migrate into the kernel are preserved, retaining 2–4 times the B-vitamin content of standard polished white rice.

No need to wait for overnight rice, a good fried rice, with the water heat magic of rice hidden Due to the migration of husk layer flavonoids and pigment substances into the endosperm with water, the color of this rice is significantly deeper than ordinary white rice. Additionally, the high-temperature water heat causes a mild Maillard reaction of starch, resulting in a finished product with a light amber, semi-transparent color, which is also the main reason many domestic consumers are not accustomed to it. After steam treatment and re-crystallization, the endosperm structure of the steamed glutinous rice becomes dense and hard, significantly reducing the broken rice rate during milling and slightly increasing the yield. During cooking, the rice grains are not easily broken, starch dissolution is minimal, and the cooked rice is compact, elastic, chewy, and has low viscosity, with grains separating cleanly, making it excellent for fried rice. This type of rice also has a unique aroma similar to roasted grains, which some people describe as having a strong "rice fragrance", while others may find it has a "rice smell". It's worth noting that this type of rice has a higher water absorption rate than ordinary indica rice, so cooking requires adding a bit more water.

No need to wait for leftover rice, a good fried rice dish holds the thermal magic of rice and water. A high water absorption rate also means a high yield, cooking more rice than ordinary white rice of the same weight.

No need to wait for leftover rice, a good fried rice dish holds the hydrothermal magic of rice There's also a more high-tech type of reconstituted extruded rice, also known as reconstituted rice, engineered rice, or artificial rice, whose core concept is to no longer use natural rice grains, but instead grind broken rice into rice flour, which undergoes high-temperature and high-pressure cooking, is then extruded and cut using a mold, and re-formed into a rice grain shape. The production process is:

No need to wait for a midnight snack, a good fried rice dish holds the thermal magic of rice and water Crushed ingredients: crushed rice, rice flour, can be paired with coarse grain flour, starch, dietary fiber, and nutritional fortifiers, add water to adjust moisture and mix evenly.

No need to wait for overnight soaking, a good fried rice, hiding the thermal magic of rice Double-screw extrusion. The above material enters the extruder, under the action of high temperature of 120-160℃ and high pressure of 10-20MPa, which strengthens the shear force, a large number of hydrogen bonds of starch molecules are broken, the starch is completely gelatinized, the protein is denatured, and all are melted into a plasticized dough state.

No need to wait for leftover rice, a good fried rice, hiding the thermal magic of rice Mold extrusion + rotary cutting: molten material is forced through rice grain-shaped mold holes, extruded into strips, and cut into individual "rice grain" blanks by rotating blades. The size and length of the rice grains are completely determined by the mold, and the particles are extremely uniform and neat.

No need to wait for overnight soaking, a good fried rice, hiding the thermal magic of rice's water 4. Drying and cooling to shape: hot air drying removes excess moisture, cooling, and starch molecules recombine, fixing the shape of the rice grains, forming the final product. The principle of reorganizing and compressing rice is similar to making rice flour, rice noodles, and niangao, it just ends with being cut into rice grain-sized pieces.

No need to wait for overnight rice, a good fried rice, with the thermal magic of rice water hidden within. During the squeezing process, the starch is deeply decomposed, and many large molecules are cut into small molecular starch fragments, resulting in digestive enzymes being able to access the starch more easily. The GI of ordinary reconstituted rice recipes tends to be high, but if special ingredients such as konjac, dietary fiber, and resistant starch are added, it is possible to achieve a medium or even low GI.

No need to wait for dinner, a good fried rice, hiding the thermal magic of rice Konjac rice, also known as Shirataki rice, is a near-0 GI "pseudo-rice grain". Its main ingredient is konjac, and the glucomannan in konjac belongs to water-soluble dietary fiber. The small intestine of the human body barely breaks it down into glucose, with a theoretical GI approaching 0.

No need to wait for leftover rice, a good fried rice dish holds the thermal magic of rice and water. Konjac rice can be opened, rinsed, and directly stir-fried, with absolutely dispersed grains that won't stick together in clumps.

No need to wait for a midnight snack, a good fried rice, hiding the thermal magic of rice This type of "rice" has almost no carbohydrates and extremely low calories, and is a boon for dieters and diabetics. The downside is that it lacks the aroma of rice, has a sticky and Q弹 texture, and a pronounced rubbery feel, which discerning diners can distinguish with one bite.

No need to wait for overnight soaking, a good fried rice, with the thermal magic of rice water hidden inside Reorganized extruded rice, after being extruded and dried, forms a porous network inside the rice grains, allowing for extremely fast rehydration, and can be cooked through in a short time with boiling water, making it suitable for self-heating rice and instant cooking packages; by adjusting the formula to control the pores, it can also achieve fried rice with grains that are separate and don't clump even after a long time, with strong anti-staling ability, but it lacks the natural rice's endosperm-level structure and the original grain aroma of the cereal.

No need to wait for overnight porridge, a good fried rice, hiding the thermal magic of rice If it's ordinary broken rice made into reconstituted compressed rice, high-temperature compression will result in the loss of B vitamins, and mineral retention is also limited, with a nutritional level similar to ordinary refined white rice, which won't automatically become healthier.

No need to wait for a midnight snack, a good fried rice dish holds the thermal magic of rice and water. However, nutritionally fortified reconstituted rice is a different story, as it involves directly adding iron, zinc, B vitamins, konjac powder, and coarse grain powder during the ingredient mixing stage, allowing for customized nutrition, which is its unique advantage.

No need to wait for a midnight snack, a good fried rice dish holds the thermal magic of rice and water. This type of rice involves complex craftsmanship, and therefore the cost is not low.

No need to wait for overnight rice, a good fried rice, with the hydrothermal magic of rice Reorganized and compressed rice, whether it's grain by grain or has a chewy texture, is determined by the mixed grains it's paired with during reorganization. If konjac is added, it's not only grain by grain but also very chewy. The unique chewy texture of konjac comes from its super-long water-soluble polysaccharide, konjac glucomannan. When dry konjac powder meets water, its large molecular chains fully expand and can lock in hundreds of times its water content, but at this point, it's just a sticky paste and can't take shape. When making konjac, the skin of the konjac tuber is removed, and it's grated and washed with clean water to remove the toxic calcium oxalate component. It's then cooked with alkaline substances like grass ash, which causes the polysaccharides to lose their acetyl groups, and countless long chains intertwine and combine, building a flexible three-dimensional gel network that traps water within the grid, finally forming a tough konjac gel. Unlike the brittle and fragile texture of agar jelly, the flexible large molecular network of konjac

No need to wait for a midnight snack, a good fried rice dish holds the magical thermal properties of rice. A bowl of seemingly simple fried rice hides the countless transformations of rice starch.

No need to wait for leftover rice, a good fried rice dish holds the magical thermal properties of rice. Various types of "fried rice specialty rice" have their own unique craftsmanship and limitations.

No need to wait for a midnight snack, a good fried rice dish holds the magical thermal properties of rice. Don't be superstitious about the "every grain separate" myth, understanding the craftsmanship and making rational choices are the only ways to truly enjoy this mortal delight.

← Back to Latest